View source for 30th United States Congress

{{short description|1847-1849 U.S. Congress}}
{{Use mdy dates|date=July 2016}}
{{Infobox United States Congress
|number         = 30th
|image          = Capitol1846.jpg
|imagename      = [[United States Capitol]]
|imagedate      = 1846
|start          = March 4, 1847
|end            = March 4, 1849
|vp             = [[George M. Dallas]] (D)
|pro tem        = [[David Rice Atchison|David R. Atchison]] (D)
|speaker        = [[Robert Charles Winthrop|Robert C. Winthrop]] (W)
|senators       = 60
|reps           = 230
|delegates      = 2
|s-majority     = [[Democratic Party (United States)|Democratic]]
|h-majority     = [[Whig Party (United States)|Whig]] <br /> (plurality in the 2nd half <br /> of the 1st Congressional session)
|sessionnumber1 = 1st
|sessionstart1  = December 6, 1847
|sessionend1    = August 14, 1848
|sessionnumber2 = 2nd
|sessionstart2  = December 4, 1848
|sessionend2    = March 3, 1849
|previous       = 29th
|next           = 31st
}}
The '''30th United States Congress''' was a meeting of the legislative branch of the United States federal government, consisting of the [[United States Senate]] and the [[United States House of Representatives]]. It met in [[Washington, D.C.]] from March 4, 1847, to March 4, 1849, during the last two years of the [[Presidency of James K. Polk|administration]] of [[President of the United States|President]] [[James K. Polk]]. The apportionment of seats in the [[United States House of Representatives|House of Representatives]] was based on the [[1840 United States census]]. The Senate had a [[Democratic Party (United States)|Democratic]] majority, and the House had a [[Whig Party (United States)|Whig]] majority. It was the only Congress in which [[Abraham Lincoln]] served.
{{TOClimit|2}}

== Major events ==
[[File:Sutters Mill.jpg|thumb|[[Sutter's Mill]], origin of the [[California Gold Rush]]]]
{{Main|1847 in the United States|1848 in the United States|1849 in the United States}}
* July 1, 1847: [[United States]] issued its first postage stamps
* January 24, 1848: Gold found at [[Sutter's Mill]], beginning the [[California Gold Rush]]
* January 31, 1848: [[Washington Monument]] established
* May 29, 1848: [[Wisconsin]] is granted statehood, becoming the 30th state
* February 23, 1848: Former President [[John Quincy Adams]], now a Congressman representing Massachusetts, dies in the Speaker's office after suffering a stroke in the House Chambers.
* July 19, 1848: [[Seneca Falls Convention]]
* November 7, 1848: [[U.S. presidential election, 1848]]: Whig [[Zachary Taylor]] defeated [[Lewis Cass]] in the first US [[presidential election]] held in every state on the same day.
* 1846–1848: [[Mexican–American War]]

== Major legislation ==
{{main|List of United States federal legislation, 1789–1901#1821 to 1831|l1=Major legislation: 30th United States Congress}}
* March 3, 1849: [[United States Department of the Interior]] established, sess. 2, ch. 108, {{USStat|9|395}}
* March 3, 1849: [[Gold Coinage Act]], sess. 2, ch. 109, {{USStat|9|397}}

== Treaty ==
[[File:Map of Mexico 1847.jpg|thumb|right|300 px|'''Mapa de los Estados Unidos de Méjico''' by [[John Distrunell]]: the 1847 map used during negotiations of the [[Treaty of Guadalupe Hidalgo]].]]
* February 2, 1848: [[Treaty of Guadalupe Hidalgo]] signed, ending the [[Mexican–American War]] and ceding to the United States virtually all of what is today the southwest United States.

== States admitted and territories established ==
* May 29, 1848: [[Wisconsin]] admitted as the 30th U.S. state, sess. 1, ch. 50, {{USStat|9|235}}
* August 14, 1848: [[Oregon Territory]] was formed from territory ceded by Great Britain, sess. 1, ch. 177, {{USStat|9|323}}
* March 3, 1849: [[Minnesota Territory]] formed from the [[Wisconsin Territory]], sess. 2, ch. 121, {{USStat|9|403}}

== Party summary ==
=== Senate ===
During this congress, two Senate seats were added for the new state of Wisconsin.

{{US Congress party summary
| congress           = 30

| party1             = Democratic
| abb1               = D
| seats1_last        = 31
| seats1_begin       = 34
| seats1_end         = 38
| seats1_next        = 33

| party2             = Independent Democratic
| partylink2         = Independent Democrat
| abb2               = ID
| seats2_last        = 0
| seats2_begin       = 1
| seats2_end         = 1
| seats2_next        = 0

| party3             = Liberty
| partylink3         = Liberty Party (United States, 1840)
| abb3               = L
| seats3_last        = 1
| seats3_begin       = 0
| seats3_end         = 0
| seats3_next        = 0

| party4             = Whig
| abb4               = W
| seats4_last        = 24
| seats4_begin       = 20
| seats4_end         = 21
| seats4_next        = 25

| seats_vacant_last  = 2
| seats_vacant_begin = 3
| seats_vacant_end   = 0
| seats_vacant_next  = 2

}}

===House of Representatives===
During this congress, two House seats were added for the new state of Wisconsin.

{| class="wikitable" style="text-align:center"

|- style="vertical-align:bottom"
! rowspan=3 | Affiliation
! colspan=5 | Party <div style="font-size:80%">(Shading indicates majority caucus)</div>
! rowspan=3 | Total
!

|- style="height:5px" 
| style="background-color:{{Party color|Know Nothing}}" |
| style="background-color:{{Party color|Democratic Party (United States)}}" | 
| style="background color:{{Party color|Independent Democratic}}" |
| style="background-color:{{Party color|Independent (United States)}}" | 
| style="background-color:{{Party color|Whig Party (United States)}}" | 
| style="background-color:black" |

|-
! [[Know Nothing|American]]
! [[Democratic Party (United States)|Democratic]]
! [[Independent Democratic|Independent <br /> Democratic]]
! Independent
! [[Whig Party (United States)|Whig]]
! Vacant

|-
! nowrap style="font-size:80%" | End of [[29th United States Congress|previous Congress]]
| 12
| {{Party shading/Democratic}}| 137 
| 0
| 0
| 77
! 226
| 2

|-
| colspan=6 |

|-
! nowrap style="font-size:80%" | Begin
| rowspan=15 | 1
| 107
| rowspan=15 | 2
| rowspan=15 | 1
| rowspan=3 {{Party shading/Whig}} | 116
! 227
| 1

|- style="text-align:center"
! nowrap style="font-size:80%" | April 27, 1847
| 106
! 226
| 2

|- style="text-align:center"
! nowrap style="font-size:80%" | December 6, 1847
| rowspan=3| 108
! 228
| 0

|- style="text-align:center"
! nowrap style="font-size:80%" | January 16, 1848
| {{Party shading/Whig}} | 115
! 227
| 1

|- style="text-align:center"
! nowrap style="font-size:80%" | February 23, 1848
| rowspan=2 {{Party shading/Whig}} | 114
! 226
| 2

|- style="text-align:center"
! nowrap style="font-size:80%" | March 6, 1848
| rowspan=2| 109
! 227
| 1

|- style="text-align:center"
! nowrap style="font-size:80%" | March 8, 1848
| 113
! 226
| 2

|- style="text-align:center"
! nowrap style="font-size:80%" | April 3, 1848
| 108
| rowspan=4 {{Party shading/Whig}} | 114
! 226
| 2

|- style="text-align:center"
! nowrap style="font-size:80%" | April 19, 1848
| rowspan=2 |107
! 225
| 3

|- style="text-align:center"
! nowrap style="font-size:80%" | May 29, 1848
! 225
| 5

|- style="text-align:center"
! nowrap style="font-size:80%" | June 8, 1848
| 109
! 227
| 3

|- style="text-align:center"
! nowrap style="font-size:80%" | June 12, 1848
| 110
| 114
! 228
| 2

|- style="text-align:center"
! nowrap style="font-size:80%" | November 22, 1848
| rowspan=2| 109
| {{Party shading/Whig}} | 114
! 227
| 3

|- style="text-align:center"
! nowrap style="font-size:80%" | December 4, 1848
| rowspan=2 {{Party shading/Whig}} | 116
! 229
| 1

|- style="text-align:center"
! nowrap style="font-size:80%" | February 12, 1849
| 110
! 230
| 0

|- style="text-align:center"
! Final voting share
! .5%
! 48%
! 1%
! .5%
! {{Party shading/Whig}} | 50.5%
| colspan=2 |

|-
| colspan=6 |

|-
! nowrap style="font-size:80%" | Beginning of the [[84th United States Congress|next Congress]]
| 1
| {{Party shading/Democratic}} | 113
| 0
| 0
| 107
! 221
| 1

|}

== Leadership ==
[[File:George Mifflin Dallas 1848.jpg|thumb|175px|President of the Senate<br/>[[George M. Dallas]]]]

=== Senate ===
* [[President of the United States Senate|President]]: [[George M. Dallas]] (D)
* [[President pro tempore of the United States Senate|President pro tempore]]: [[David Rice Atchison|David R. Atchison]] (D)

=== House of Representatives ===
* [[Speaker of the United States House of Representatives|Speaker]]: [[Robert Charles Winthrop|Robert C. Winthrop]] (W)

== Members ==
This list is arranged by chamber, then by state. Senators are listed by class and representatives are listed by district.
:''[[#House of Representatives_3|Skip to House of Representatives]], below''

=== Senate ===
{{main|List of United States senators in the 30th Congress}} 
{{col-begin}}
{{col-break}}

==== [[List of United States senators from Alabama|Alabama]] ====
: {{Party stripe|Democratic Party (US)}}2. [[Dixon Hall Lewis|Dixon H. Lewis]] (D), until October 25, 1848
:: {{Party stripe|Democratic Party (US)}}[[Benjamin Fitzpatrick]] (D), from November 25, 1848
: {{Party stripe|Democratic Party (US)}}3. [[Arthur P. Bagby]] (D), until June 16, 1848
:: {{Party stripe|Democratic Party (US)}}[[William R. King]] (D), from July 1, 1848

==== [[List of United States senators from Arkansas|Arkansas]] ====
: {{Party stripe|Democratic Party (US)}}2. [[Chester Ashley]] (D), until April 29, 1848
:: {{Party stripe|Democratic Party (US)}}[[William King Sebastian|William K. Sebastian]] (D), from May 12, 1848
: {{Party stripe|Democratic Party (US)}}3. [[Ambrose Hundley Sevier|Ambrose H. Sevier]] (D), until March 15, 1848
:: {{Party stripe|Democratic Party (US)}}[[Solon Borland]] (D), from March 30, 1848

==== [[List of United States senators from Connecticut|Connecticut]] ====
: {{Party stripe|Whig Party (US)}}1. [[Jabez W. Huntington]] (W), until November 1, 1847
:: {{Party stripe|Whig Party (US)}}[[Roger Sherman Baldwin|Roger S. Baldwin]] (W), from November 11, 1847
: {{Party stripe|Democratic Party (US)}}3. [[John Milton Niles|John M. Niles]] (D)

==== [[List of United States senators from Delaware|Delaware]] ====
: {{Party stripe|Whig Party (US)}}1. [[John M. Clayton]] (W), until February 23, 1849
:: {{Party stripe|Whig Party (US)}}[[John Wales]] (W), from February 23, 1849
: {{Party stripe|Whig Party (US)}}2. [[Presley Spruance]] (W)

==== [[List of United States senators from Florida|Florida]] ====
: {{Party stripe|Democratic Party (US)}}1. [[David Levy Yulee]] (D)
: {{Party stripe|Democratic Party (US)}}3. [[James Westcott]] (D)

==== [[List of United States senators from Georgia|Georgia]] ====
: {{Party stripe|Whig Party (US)}}2. [[John M. Berrien|John Macpherson Berrien]] (W)
: {{Party stripe|Democratic Party (US)}}3. [[Walter T. Colquitt]] (D), until February 4, 1848
:: {{Party stripe|Democratic Party (US)}}[[Herschel Vespasian Johnson|Herschel V. Johnson]] (D), from February 4, 1848

==== [[List of United States senators from Illinois|Illinois]] ====
: {{Party stripe|Democratic Party (US)}}2. [[Stephen A. Douglas]] (D)
: {{Party stripe|Democratic Party (US)}}3. [[Sidney Breese]] (D)

==== [[List of United States senators from Indiana|Indiana]] ====
: {{Party stripe|Democratic Party (US)}}1. [[Jesse D. Bright]] (D)
: {{Party stripe|Democratic Party (US)}}3. [[Edward A. Hannegan]] (D)

==== [[List of United States senators from Iowa|Iowa]] ====
: {{Party stripe|Democratic Party (US)}}2. [[George Wallace Jones]] (D), from December 7, 1848
: {{Party stripe|Democratic Party (US)}}3. [[Augustus C. Dodge]] (D), from December 7, 1848

==== [[List of United States senators from Kentucky|Kentucky]] ====
: {{Party stripe|Whig Party (US)}}2. [[Joseph R. Underwood]] (W)
: {{Party stripe|Whig Party (US)}}3. [[John J. Crittenden]] (W), until June 12, 1848
:: {{Party stripe|Whig Party (US)}}[[Thomas Metcalfe (Kentucky politician)|Thomas Metcalfe]] (W), from June 23, 1848

==== [[List of United States senators from Louisiana|Louisiana]] ====
: {{Party stripe|Democratic Party (US)}}2. [[Solomon W. Downs]] (D)
: {{Party stripe|Whig Party (US)}}3. [[Henry Johnson (Louisiana)|Henry Johnson]] (W)

==== [[List of United States senators from Maine|Maine]] ====
: {{Party stripe|Democratic Party (US)}}1. [[John Fairfield]] (D), until December 24, 1847
:: {{Party stripe|Democratic Party (US)}}[[Wyman B. S. Moor]] (D), January 5, 1848 – June 7, 1848
:: {{Party stripe|Democratic Party (US)}}[[Hannibal Hamlin]] (D), from June 7, 1848
: {{Party stripe|Democratic Party (US)}}2. [[James W. Bradbury]] (D)

==== [[List of United States senators from Maryland|Maryland]] ====
: {{Party stripe|Whig Party (US)}}1. [[Reverdy Johnson]] (W)
: {{Party stripe|Whig Party (US)}}3. [[James Pearce (American politician)|James Pearce]] (W)

==== [[List of United States senators from Massachusetts|Massachusetts]] ====
: {{Party stripe|Whig Party (US)}}1. [[Daniel Webster]] (W)
: {{Party stripe|Whig Party (US)}}2. [[John Davis (Massachusetts Governor)|John Davis]] (W)
{{col-break}}

==== [[List of United States senators from Michigan|Michigan]] ====
: {{Party stripe|Democratic Party (US)}}1. [[Lewis Cass]] (D), until May 29, 1848
:: {{Party stripe|Democratic Party (US)}}[[Thomas Fitzgerald (American politician)|Thomas Fitzgerald]] (D), from June 8, 1848
: {{Party stripe|Democratic Party (US)}}2. [[Alpheus Felch]] (D)

==== [[List of United States senators from Mississippi|Mississippi]] ====
: {{Party stripe|Democratic Party (US)}}1. [[Jesse Speight]] (D), until May 1, 1847
:: {{Party stripe|Democratic Party (US)}}[[Jefferson Davis]] (D), from August 10, 1847
: {{Party stripe|Democratic Party (US)}}2. [[Henry S. Foote]] (D)

==== [[List of United States senators from Missouri|Missouri]] ====
: {{Party stripe|Democratic Party (US)}}1. [[Thomas Hart Benton (senator)|Thomas H. Benton]] (D)
: {{Party stripe|Democratic Party (US)}}3. [[David Rice Atchison|David R. Atchison]] (D)

==== [[List of United States senators from New Hampshire|New Hampshire]] ====
: {{Party stripe|Independent Democratic Party (US}}2. [[John P. Hale]] (ID)
: {{Party stripe|Democratic Party (US)}}3. [[Charles G. Atherton]] (D)

==== [[List of United States senators from New Jersey|New Jersey]] ====
: {{Party stripe|Whig Party (US)}}1. [[William L. Dayton]] (W)
: {{Party stripe|Whig Party (US)}}2. [[Jacob W. Miller]] (W)

==== [[List of United States senators from New York|New York]] ====
: {{Party stripe|Democratic Party (US)}}1. [[Daniel S. Dickinson]] (D)
: {{Party stripe|Democratic Party (US)}}3. [[John Adams Dix|John A. Dix]] (D)

==== [[List of United States senators from North Carolina|North Carolina]] ====
: {{Party stripe|Whig Party (US)}}2. [[Willie Person Mangum|Willie P. Mangum]] (W)
: {{Party stripe|Whig Party (US)}}3. [[George Edmund Badger|George E. Badger]] (W)

==== [[List of United States senators from Ohio|Ohio]] ====
: {{Party stripe|Whig Party (US)}}1. [[Thomas Corwin]] (W)
: {{Party stripe|Democratic Party (US)}}3. [[William Allen (governor)|William Allen]] (D)

==== [[List of United States senators from Pennsylvania|Pennsylvania]] ====
: {{Party stripe|Democratic Party (US)}}1. [[Daniel Sturgeon]] (D)
: {{Party stripe|Democratic Party (US)}}3. [[Simon Cameron]] (D)

==== [[List of United States senators from Rhode Island|Rhode Island]] ====
: {{Party stripe|Whig Party (US)}}1. [[Albert C. Greene]] (W)
: {{Party stripe|Whig Party (US)}}2. [[John Hopkins Clarke|John H. Clarke]] (W)

==== [[List of United States senators from South Carolina|South Carolina]] ====
: {{Party stripe|Democratic Party (US)}}2. [[John C. Calhoun]] (D)
: {{Party stripe|Democratic Party (US)}}3. [[Andrew Butler]] (D)

==== [[List of United States senators from Tennessee|Tennessee]] ====
: {{Party stripe|Democratic Party (US)}}1. [[Hopkins L. Turney]] (D)
: {{Party stripe|Whig Party (US)}}2. [[John Bell (Tennessee politician)|John Bell]] (W), from November 22, 1847

==== [[List of United States senators from Texas|Texas]] ====
: {{Party stripe|Democratic Party (US)}}1. [[Thomas Jefferson Rusk|Thomas J. Rusk]] (D)
: {{Party stripe|Democratic Party (US)}}2. [[Sam Houston|Samuel Houston]] (D)

==== [[List of United States senators from Vermont|Vermont]] ====
: {{Party stripe|Whig Party (US)}}1. [[Samuel S. Phelps]] (W)
: {{Party stripe|Whig Party (US)}}3. [[William Upham]] (W)

==== [[List of United States senators from Virginia|Virginia]] ====
: {{Party stripe|Democratic Party (US)}}1. [[James Murray Mason|James M. Mason]] (D)
: {{Party stripe|Democratic Party (US)}}2. [[Robert Mercer Taliaferro Hunter|Robert M. T. Hunter]] (D)

==== [[List of United States senators from Wisconsin|Wisconsin]] ====
: {{Party stripe|Democratic Party (US)}}1. [[Henry Dodge]] (D), from June 8, 1848 (newly admitted state)
: {{Party stripe|Democratic Party (US)}}3. [[Isaac P. Walker]] (D), from June 8, 1848 (newly admitted state)
{{col-break}}
[[File:30th United States Congress Senators.svg|thumb|375px|Senators' party membership by state at the opening of the 30th Congress in March 1847. The green stripes in New Hampshire represent independent Democrat John P. Hale. The senators from Iowa and Wisconsin were not seated until later in the Congress.
{{legend|#0044aa|2 Democrats}}
{{legend|#660080|1 Democrat and 1 Whig}}
{{legend|#aa0000|2 Whigs}}]]
{{col-break}}
[[File:David Rice Atchison.jpg|thumb|175px|Senate President pro tempore<br/>[[David Rice Atchison|David R. Atchison]]]]
{{col-end}}

=== House of Representatives ===
{{main|List of United States representatives in the 30th Congress}}
The names of representatives are preceded by their district numbers.
{{col-begin}}
{{col-2}}

==== [[List of United States representatives from Alabama|Alabama]] ====
: {{Party stripe|Whig Party (US)}}{{ushr|Alabama|1|1}}. [[John Gayle (Alabama politician)|John Gayle]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Alabama|2|2}}. [[Henry W. Hilliard]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Alabama|3|3}}. [[Sampson Willis Harris|Sampson W. Harris]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Alabama|4|4}}. [[Samuel Williams Inge|Samuel W. Inge]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Alabama|5|5}}. [[George S. Houston]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Alabama|6|6}}. [[Williamson Robert Winfield Cobb|Williamson R. W. Cobb]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Alabama|7|7}}. [[Franklin Welsh Bowdon|Franklin W. Bowdon]] (D)

==== [[List of United States representatives from Arkansas|Arkansas]] ====
: {{Party stripe|Democratic Party (US)}}{{ushr|Arkansas|AL|At-large}}. [[Robert Ward Johnson|Robert W. Johnson]] (D)

==== [[List of United States representatives from Connecticut|Connecticut]] ====
: {{Party stripe|Whig Party (US)}}{{ushr|Connecticut|1|1}}. [[James Dixon]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Connecticut|2|2}}. [[Samuel Dickinson Hubbard|Samuel D. Hubbard]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Connecticut|3|3}}. [[John A. Rockwell]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Connecticut|4|4}}. [[Truman Smith]] (W)

==== [[List of United States representatives from Delaware|Delaware]] ====
: {{Party stripe|Whig Party (US)}}{{ushr|Delaware|AL|At-large}}. [[John W. Houston]] (W)

==== [[List of United States representatives from Florida|Florida]] ====
: {{Party stripe|Whig Party (US)}}{{ushr|Florida|AL|At-large}}. [[Edward Carrington Cabell|Edward C. Cabell]] (W)

==== [[List of United States representatives from Georgia|Georgia]] ====
: {{Party stripe|Whig Party (US)}}{{ushr|Georgia|1|1}}. [[Thomas Butler King]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Georgia|2|2}}. [[Alfred Iverson Sr.]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Georgia|3|3}}. [[John William Jones|John W. Jones]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Georgia|4|4}}. [[Hugh A. Haralson]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Georgia|5|5}}. [[John Henry Lumpkin|John H. Lumpkin]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Georgia|6|6}}. [[Howell Cobb]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Georgia|7|7}}. [[Alexander Stephens|Alexander H. Stephens]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Georgia|8|8}}. [[Robert Toombs|Robert A. Toombs]] (W)

==== [[List of United States representatives from Illinois|Illinois]] ====
: {{Party stripe|Independent Democratic Party (US}}{{ushr|Illinois|1|1}}. [[Robert Smith (Illinois)|Robert Smith]] (ID)
: {{Party stripe|Democratic Party (US)}}{{ushr|Illinois|2|2}}. [[John Alexander McClernand|John A. McClernand]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Illinois|3|3}}. [[Orlando B. Ficklin]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Illinois|4|4}}. [[John Wentworth (mayor)|John Wentworth]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Illinois|5|5}}. [[William Alexander Richardson|William A. Richardson]] (D), from December 6, 1847
: {{Party stripe|Democratic Party (US)}}{{ushr|Illinois|6|6}}. [[Thomas J. Turner]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Illinois|7|7}}. [[Abraham Lincoln]] (W)

==== [[List of United States representatives from Indiana|Indiana]] ====
: {{Party stripe|Whig Party (US)}}{{ushr|Indiana|1|1}}. [[Elisha Embree]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Indiana|2|2}}. [[Thomas J. Henley]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Indiana|3|3}}. [[John L. Robinson]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Indiana|4|4}}. [[Caleb Blood Smith|Caleb B. Smith]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Indiana|5|5}}. [[William W. Wick]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Indiana|6|6}}. [[George G. Dunn]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Indiana|7|7}}. [[Richard W. Thompson]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Indiana|8|8}}. [[John Pettit]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Indiana|9|9}}. [[Charles W. Cathcart]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Indiana|10|10}}. [[William R. Rockhill]] (D)

==== [[List of United States representatives from Iowa|Iowa]] ====
: {{Party stripe|Democratic Party (US)}}{{ushr|Iowa|1|1}}. [[William Thompson (Iowa politician)|William Thompson]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Iowa|2|2}}. [[Shepherd Leffler]] (D)

==== [[List of United States representatives from Kentucky|Kentucky]] ====
: {{Party stripe|Democratic Party (US)}}{{ushr|Kentucky|1|1}}. [[Linn Boyd]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Kentucky|2|2}}. [[Beverly L. Clarke]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Kentucky|3|3}}. [[Samuel Peyton|Samuel O. Peyton]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Kentucky|4|4}}. [[Aylette Buckner]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Kentucky|5|5}}. [[John Burton Thompson|John B. Thompson]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Kentucky|6|6}}. [[Green Adams]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Kentucky|7|7}}. [[Garnett Duncan|W. Garnett Duncan]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Kentucky|8|8}}. [[Charles S. Morehead]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Kentucky|9|9}}. [[Richard French (US politician)|Richard French]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Kentucky|10|10}}. [[John P. Gaines]] (W)

==== [[List of United States representatives from Louisiana|Louisiana]] ====
: {{Party stripe|Democratic Party (US)}}{{ushr|Louisiana|1|1}}. [[Emile La Sére]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Louisiana|2|2}}. [[Bannon Goforth Thibodeaux|Bannon G. Thibodeaux]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Louisiana|3|3}}. [[John H. Harmanson]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Louisiana|4|4}}. [[Isaac Edward Morse|Isaac E. Morse]] (D)

==== [[List of United States representatives from Maine|Maine]] ====
: {{Party stripe|Democratic Party (US)}}{{ushr|Maine|1|1}}. [[David Hammons (Maine politician)|David Hammons]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Maine|2|2}}. [[Asa Clapp (politician)|Asa W. H. Clapp]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Maine|3|3}}. [[Hiram Belcher]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Maine|4|4}}. [[Franklin Clark]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Maine|5|5}}. [[Ephraim K. Smart]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Maine|6|6}}. [[James S. Wiley]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Maine|7|7}}. [[Hezekiah Williams]] (D)

==== [[List of United States representatives from Maryland|Maryland]] ====
: {{Party stripe|Whig Party (US)}}{{ushr|Maryland|1|1}}. [[John Grant Chapman|John G. Chapman]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Maryland|2|2}}. [[James Dixon Roman|J. Dixon Roman]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Maryland|3|3}}. [[Thomas Watkins Ligon|Thomas W. Ligon]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Maryland|4|4}}. [[Robert Milligan McLane|Robert M. McLane]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Maryland|5|5}}. [[Alexander Evans (American politician)|Alexander Evans]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Maryland|6|6}}. [[John W. Crisfield]] (W)

==== [[List of United States representatives from Massachusetts|Massachusetts]] ====
: {{Party stripe|Whig Party (US)}}{{ushr|Massachusetts|1|1}}. [[Robert Charles Winthrop|Robert C. Winthrop]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Massachusetts|2|2}}. [[Daniel P. King]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Massachusetts|3|3}}. [[Amos Abbott]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Massachusetts|4|4}}. [[John G. Palfrey]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Massachusetts|5|5}}. [[Charles Hudson (Massachusetts)|Charles Hudson]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Massachusetts|6|6}}. [[George Ashmun]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Massachusetts|7|7}}. [[Julius Rockwell]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Massachusetts|8|8}}. [[John Quincy Adams]] (W), until February 23, 1848
:: {{Party stripe|Whig Party (US)}}[[Horace Mann]] (W), from April 3, 1848
: {{Party stripe|Whig Party (US)}}{{ushr|Massachusetts|9|9}}. [[Artemas Hale]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Massachusetts|10|10}}. [[Joseph Grinnell (politician)|Joseph Grinnell]] (W)

==== [[List of United States representatives from Michigan|Michigan]] ====
: {{Party stripe|Democratic Party (US)}}{{ushr|Michigan|1|1}}. [[Robert McClelland (American politician)|Robert McClelland]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Michigan|2|2}}. [[Edward Bradley (politician)|Edward Bradley]] (D), until August 5, 1847
:: {{Party stripe|Democratic Party (US)}}[[Charles E. Stuart]] (D), from December 6, 1847
: {{Party stripe|Democratic Party (US)}}{{ushr|Michigan|3|3}}. [[Kinsley S. Bingham]] (D)

==== [[List of United States representatives from Mississippi|Mississippi]] ====
: {{Party stripe|Democratic Party (US)}}{{ushr|Mississippi|1|1}}. [[Jacob Thompson]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Mississippi|2|2}}. [[Winfield S. Featherston]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Mississippi|3|3}}. [[Patrick W. Tompkins]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Mississippi|4|4}}. [[Albert G. Brown]] (D)

==== [[List of United States representatives from Missouri|Missouri]] ====
: {{Party stripe|Democratic Party (US)}}{{ushr|Missouri|1|1}}. [[James B. Bowlin]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Missouri|2|2}}. [[John Jameson (politician)|John Jameson]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Missouri|3|3}}. [[James S. Green]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Missouri|4|4}}. [[Willard Preble Hall|Willard P. Hall]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Missouri|5|5}}. [[John S. Phelps]] (D)

==== [[List of United States representatives from New Hampshire|New Hampshire]] ====
: {{Party stripe|Independent (US)}}{{ushr|New Hampshire|1|1}}. [[Amos Tuck]] (I)
: {{Party stripe|Democratic Party (US)}}{{ushr|New Hampshire|2|2}}. [[Charles H. Peaslee]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|New Hampshire|3|3}}. [[James Wilson II (New Hampshire politician)|James Wilson]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|New Hampshire|4|4}}. [[James Hutchins Johnson|James H. Johnson]] (D)

==== [[List of United States representatives from New Jersey|New Jersey]] ====
: {{Party stripe|Whig Party (US)}}{{ushr|New Jersey|1|1}}. [[James G. Hampton]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New Jersey|2|2}}. [[William A. Newell]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|New Jersey|3|3}}. [[Joseph E. Edsall]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|New Jersey|4|4}}. [[John Van Dyke (politician)|John Van Dyke]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New Jersey|5|5}}. [[Dudley S. Gregory]] (W)

==== [[List of United States representatives from New York|New York]] ====
: {{Party stripe|Democratic Party (US)}}{{ushr|New York|1|1}}. [[Frederick W. Lord]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|New York|2|2}}. [[Henry Cruse Murphy|Henry C. Murphy]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|New York|3|3}}. [[Henry Nicoll (politician)|Henry Nicoll]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|New York|4|4}}. [[William B. Maclay]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|5|5}}. [[Frederick A. Tallmadge]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|New York|6|6}}. [[David S. Jackson]] (D), until April 19, 1848
:: {{Party stripe|Whig Party (US)}}[[Horace Greeley]] (W), from December 4, 1848
: {{Party stripe|Whig Party (US)}}{{ushr|New York|7|7}}. [[William Nelson (congressman)|William Nelson]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|8|8}}. [[Cornelius Warren]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|9|9}}. [[Daniel B. St. John]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|10|10}}. [[Eliakim Sherrill]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|11|11}}. [[Peter H. Silvester]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|12|12}}. [[Gideon Reynolds]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|13|13}}. [[John I. Slingerland]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|14|14}}. [[Orlando Kellogg]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|New York|15|15}}. [[Sidney Lawrence]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|16|16}}. [[Hugh White (New York politician)|Hugh White]] (W)
: {{Party stripe|Independent Democratic Party (US}}{{ushr|New York|17|17}}. [[George Petrie (New York)|George Petrie]] (ID)
: {{Party stripe|Democratic Party (US)}}{{ushr|New York|18|18}}. [[William Collins (representative)|William Collins]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|19|19}}. [[Joseph Mullin]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|New York|20|20}}. [[Timothy Jenkins]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|New York|21|21}}. [[George A. Starkweather]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|New York|22|22}}. [[Ausburn Birdsall]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|23|23}}. [[William Duer (1805–1879)|William Duer]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|24|24}}. [[Daniel Gott]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|25|25}}. [[Harmon S. Conger]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|26|26}}. [[William T. Lawrence (politician)|William T. Lawrence]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|27|27}}. [[John M. Holley]] (W), until March 8, 1848
:: {{Party stripe|Whig Party (US)}}[[Esbon Blackmar]] (W), from December 4, 1848
: {{Party stripe|Whig Party (US)}}{{ushr|New York|28|28}}. [[Elias B. Holmes]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|29|29}}. [[Robert L. Rose]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|30|30}}. [[David Rumsey (New York politician)|David Rumsey Jr.]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|31|31}}. [[Dudley Marvin]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|32|32}}. [[Nathan K. Hall]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|33|33}}. [[Harvey Putnam]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|New York|34|34}}. [[Washington Hunt]] (W)
{{col-2}}

==== [[List of United States representatives from North Carolina|North Carolina]] ====
: {{Party stripe|Whig Party (US)}}{{ushr|North Carolina|1|1}}. [[Thomas Lanier Clingman|Thomas L. Clingman]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|North Carolina|2|2}}. [[Nathaniel Boyden]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|North Carolina|3|3}}. [[Daniel Moreau Barringer|Daniel M. Barringer]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|North Carolina|4|4}}. [[Augustine Henry Shepperd|Augustine H. Shepperd]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|North Carolina|5|5}}. [[Abraham Watkins Venable|Abraham W. Venable]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|North Carolina|6|6}}. [[John Reeves Jones Daniel|John R. J. Daniel]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|North Carolina|7|7}}. [[James Iver McKay|James I. McKay]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|North Carolina|8|8}}. [[Richard Spaight Donnell|Richard S. Donnell]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|North Carolina|9|9}}. [[David Outlaw]] (W)

==== [[List of United States representatives from Ohio|Ohio]] ====
: {{Party stripe|Democratic Party (US)}}{{ushr|Ohio|1|1}}. [[James J. Faran]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Ohio|2|2}}. [[David Fisher (congressman)|David Fisher]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Ohio|3|3}}. [[Robert C. Schenck]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Ohio|4|4}}. [[Richard S. Canby]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Ohio|5|5}}. [[William Sawyer (representative)|William Sawyer]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Ohio|6|6}}. [[Rodolphus Dickinson]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Ohio|7|7}}. [[Jonathan D. Morris]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Ohio|8|8}}. [[John L. Taylor]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Ohio|9|9}}. [[Thomas O. Edwards]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Ohio|10|10}}. [[Daniel Duncan (Ohio politician)|Daniel Duncan]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Ohio|11|11}}. [[John K. Miller]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Ohio|12|12}}. [[Samuel Finley Vinton|Samuel F. Vinton]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Ohio|13|13}}. [[Thomas Ritchey]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Ohio|14|14}}. [[Nathan Evans (representative)|Nathan Evans]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Ohio|15|15}}. [[William Kennon Jr.]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Ohio|16|16}}. [[John D. Cummins]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Ohio|17|17}}. [[George Fries]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Ohio|18|18}}. [[Samuel Lahm]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Ohio|19|19}}. [[John Crowell (Ohio politician)|John Crowell]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Ohio|20|20}}. [[Joshua Reed Giddings|Joshua R. Giddings]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Ohio|21|21}}. [[Joseph M. Root]] (W)

==== [[List of United States representatives from Pennsylvania|Pennsylvania]] ====
: {{Party stripe|Know Nothing}}{{ushr|Pennsylvania|1|1}}. [[Lewis Charles Levin|Lewis C. Levin]] (A)
: {{Party stripe|Whig Party (US)}}{{ushr|Pennsylvania|2|2}}. [[Joseph Reed Ingersoll|Joseph R. Ingersoll]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Pennsylvania|3|3}}. [[Charles Brown (congressman)|Charles Brown]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Pennsylvania|4|4}}. [[Charles Jared Ingersoll|Charles J. Ingersoll]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Pennsylvania|5|5}}. [[John Freedley]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Pennsylvania|6|6}}. [[John Westbrook Hornbeck|John W. Hornbeck]] (W), until January 16, 1848
:: {{Party stripe|Democratic Party (US)}}[[Samuel Augustus Bridges|Samuel A. Bridges]] (D), from March 6, 1848
: {{Party stripe|Whig Party (US)}}{{ushr|Pennsylvania|7|7}}. [[Abraham Robinson McIlvaine|Abraham R. McIlvaine]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Pennsylvania|8|8}}. [[John Strohm (congressman)|John Strohm]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Pennsylvania|9|9}}. [[William Strong (Pennsylvania judge)|William Strong]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Pennsylvania|10|10}}. [[Richard Brodhead]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Pennsylvania|11|11}}. [[Chester Pierce Butler|Chester P. Butler]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Pennsylvania|12|12}}. [[David Wilmot (politician)|David Wilmot]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Pennsylvania|13|13}}. [[James Pollock (American politician)|James Pollock]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Pennsylvania|14|14}}. [[George Nicholas Eckert|George N. Eckert]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Pennsylvania|15|15}}. [[Henry Nes]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Pennsylvania|16|16}}. [[Jasper Ewing Brady|Jasper E. Brady]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Pennsylvania|17|17}}. [[John Blanchard (Pennsylvania)|John Blanchard]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Pennsylvania|18|18}}. [[Andrew Stewart (1791–1872)|Andrew Stewart]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Pennsylvania|19|19}}. [[Job Mann]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Pennsylvania|20|20}}. [[John Dickey (U.S. politician)|John Dickey]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Pennsylvania|21|21}}. [[Moses Hampton]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Pennsylvania|22|22}}. [[John Wilson Farrelly|John W. Farrelly]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Pennsylvania|23|23}}. [[James Thompson (jurist)|James Thompson]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Pennsylvania|24|24}}. [[Alexander Irvin]] (W)

==== [[List of United States representatives from Rhode Island|Rhode Island]] ====
: {{Party stripe|Whig Party (US)}}{{ushr|Rhode Island|1|1}}. [[Robert B. Cranston]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Rhode Island|2|2}}. [[Benjamin B. Thurston]] (D)

==== [[List of United States representatives from South Carolina|South Carolina]] ====
: {{Party stripe|Democratic Party (US)}}{{ushr|South Carolina|1|1}}. [[James A. Black]] (D), until April 3, 1848
:: {{Party stripe|Democratic Party (US)}}[[Daniel Wallace (Congressman)|Daniel Wallace]] (D), from June 12, 1848
: {{Party stripe|Democratic Party (US)}}{{ushr|South Carolina|2|2}}. [[Richard F. Simpson]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|South Carolina|3|3}}. [[Joseph A. Woodward]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|South Carolina|4|4}}. [[Alexander D. Sims]] (D), until November 22, 1848
:: {{Party stripe|Democratic Party (US)}}[[John McQueen]] (D), from February 12, 1849
: {{Party stripe|Democratic Party (US)}}{{ushr|South Carolina|5|5}}. [[Armistead Burt]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|South Carolina|6|6}}. [[Isaac E. Holmes]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|South Carolina|7|7}}. [[Robert Rhett]] (D)

==== [[List of United States representatives from Tennessee|Tennessee]] ====
: {{Party stripe|Democratic Party (US)}}{{ushr|Tennessee|1|1}}. [[Andrew Johnson]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Tennessee|2|2}}. [[William Michael Cocke|William M. Cocke]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Tennessee|3|3}}. [[John Hervey Crozier|John H. Crozier]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Tennessee|4|4}}. [[Hugh Lawson White Hill|Hugh L. W. Hill]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Tennessee|5|5}}. [[George Washington Jones (Tennessee politician)|George W. Jones]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Tennessee|6|6}}. [[James Houston Thomas|James H. Thomas]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Tennessee|7|7}}. [[Meredith Poindexter Gentry|Meredith P. Gentry]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Tennessee|8|8}}. [[Washington Barrow]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Tennessee|9|9}}. [[Lucien Bonaparte Chase|Lucien B. Chase]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Tennessee|10|10}}. [[Frederick Perry Stanton|Frederick P. Stanton]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Tennessee|11|11}}. [[William T. Haskell]] (W)

==== [[List of United States representatives from Texas|Texas]] ====
: {{Party stripe|Democratic Party (US)}}{{ushr|Texas|1|1}}. [[David S. Kaufman]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Texas|2|2}}. [[Timothy Pilsbury]] (D)

==== [[List of United States representatives from Vermont|Vermont]] ====
: {{Party stripe|Whig Party (US)}}{{ushr|Vermont|1|1}}. [[William Henry (congressman)|William Henry]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Vermont|2|2}}. [[Jacob Collamer]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Vermont|3|3}}. [[George Perkins Marsh|George P. Marsh]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Vermont|4|4}}. [[Lucius B. Peck]] (D)

==== [[List of United States representatives from Virginia|Virginia]] ====
: {{Party stripe|Democratic Party (US)}}{{ushr|Virginia|1|1}}. [[Archibald Atkinson]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Virginia|2|2}}. [[George Dromgoole]] (D), until April 27, 1847
:: {{Party stripe|Democratic Party (US)}}[[Richard K. Meade]] (D), from August 5, 1847
: {{Party stripe|Whig Party (US)}}{{ushr|Virginia|3|3}}. [[Thomas S. Flournoy]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Virginia|4|4}}. [[Thomas S. Bocock]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Virginia|5|5}}. [[William L. Goggin]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Virginia|6|6}}. [[John Botts|John M. Botts]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Virginia|7|7}}. [[Thomas H. Bayly]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Virginia|8|8}}. [[Richard L. T. Beale]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Virginia|9|9}}. [[John Pendleton|John S. Pendleton]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Virginia|10|10}}. [[Henry Bedinger]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Virginia|11|11}}. [[James McDowell]] (D)
: {{Party stripe|Whig Party (US)}}{{ushr|Virginia|12|12}}. [[William Ballard Preston|William B. Preston]] (W)
: {{Party stripe|Whig Party (US)}}{{ushr|Virginia|13|13}}. [[Andrew S. Fulton]] (W)
: {{Party stripe|Democratic Party (US)}}{{ushr|Virginia|14|14}}. [[Robert A. Thompson]] (D)
: {{Party stripe|Democratic Party (US)}}{{ushr|Virginia|15|15}}. [[William G. Brown Sr.]] (D)

==== [[List of United States representatives from Wisconsin|Wisconsin]] ====
: {{Party stripe|Democratic Party (US)}}{{ushr|Wisconsin|1|1}}. [[William Pitt Lynde|William P. Lynde]] (D), from June 8, 1848 (newly admitted state)
: {{Party stripe|Democratic Party (US)}}{{ushr|Wisconsin|2|2}}. [[Mason Cook Darling|Mason C. Darling]] (D), from June 8, 1848 (newly admitted state)

==== Non-voting members ====
: {{Party stripe|Whig Party (US)}}{{ushr|Wisconsin Territory|AL|Wisconsin Territory}}. [[John H. Tweedy]] (W), until May 29, 1848
:: {{0|▌}}[[Henry Hastings Sibley|Henry H. Sibley]], from October 30, 1848
{{col-break}}
[[File:RCWinthrop.jpg|thumb|right|175px|Speaker of the House<br/>[[Robert Charles Winthrop|Robert C. Winthrop]]]]
[[File:30 us house membership.png|thumb|400px|
{| align=center
! colspan=2 | House seats by party holding plurality in state
|-
| {{legend|#00f|80+ to 100% Democratic}}
| {{legend|#ff9|Up to 60% Whig}}
|-
| {{legend|#09f|60+ to 80% Democratic}}
| {{legend|#ff6|60+ to 80% Whig}}
|-
| {{legend|#0ff|Up to 60% Democratic}}
| {{legend|#ff0|80+ to 100% Whig}}
|}
]]
[[File:Abraham Lincoln by Nicholas Shepherd, 1846-crop.jpg|thumb|upright|alt=Middle aged clean shaven Lincoln from the hips up.|Lincoln in his late 30s as a member of the United States House of Representatives]]

{{col-end}}

== Changes in membership ==
The count below reflects changes from the beginning of the first session of this Congress.

=== Senate ===
* Replacements: 11
** [[Democratic Party (United States)|Democrats (D)]]: 4 seat net gain
** [[Whig Party (United States)|Whigs (W)]]: no net change
* Deaths: 5
* Resignations: 6
* Interim appointments: 7
* Seats of newly admitted states: 4
<!--
Sorted Chronologically by date of vacancy
-->
{{See also|List of special elections to the United States Senate}}
{{Ordinal US Congress change|Senate}}

|-
| [[List of United States senators from Tennessee|Tennessee]]<br/>(2)
| Vacant
| Failure to elect.<br/>Successor elected November 22, 1847.
| {{party shading/Whig}} | [[John Bell (Tennessee politician)|John Bell]] (W)
| Elected November 22, 1847.

|-
| [[List of United States senators from Iowa|Iowa]]<br/>(2)
| Vacant
| Iowa had been admitted to the Union December 28, 1846, but the legislature failed to elect due to a three-way split that prevented any candidate from earning the required number of 30 legislators' votes.<ref name=clark>{{cite book | first=Dan Elbert | last=Clark | url=https://archive.org/details/historyofsenator00clar | title=History of Senatorial Elections in Iowa | publisher=State Historical Society of Iowa | pages= [https://archive.org/details/historyofsenator00clar/page/17 17]–46, 72–79 | location=Iowa | date=1913}}</ref><br/>First Senator elected December 7, 1848.
| {{party shading/Democratic}} | [[George Wallace Jones]] (D)
| Elected December 7, 1848.

|-
| [[List of United States senators from Iowa|Iowa]]<br/>(3)
| Vacant
| Iowa had been admitted to the Union December 28, 1846, but the legislature failed to elect due to a three-way split that prevented any candidate from earning the required number of 30 legislators' votes.<ref name=clark/><br/>First Senator elected December 7, 1848.
| {{party shading/Democratic}} | [[Augustus C. Dodge]] (D)
| Elected December 7, 1848.

|-
| [[List of United States senators from Mississippi|Mississippi]]<br/>(1)
| {{party shading/Democratic}} | [[Jesse Speight]] (D)
| Incumbent died May 1, 1847.<br/>Successor appointed August 10, 1847, and then elected January 1848.
| {{party shading/Democratic}} | [[Jefferson Davis]] (D)
| Appointed December 5, 1847.

|-
| [[List of United States senators from Connecticut|Connecticut]]<br/>(1)
| {{party shading/Whig}} | [[Jabez W. Huntington]] (W)
| Incumbent died November 1, 1847.<br/>Successor appointed November 11, 1847, and then elected May 1848.
| {{party shading/Whig}} | [[Roger Sherman Baldwin|Roger S. Baldwin]] (W)
| Appointed December 5, 1847.

|-
| [[List of United States senators from Maine|Maine]]<br/>(1)
| {{party shading/Democratic}} | [[John Fairfield]] (D)
| Incumbent died December 24, 1847.<br/>Successor appointed January 5, 1848.
| {{party shading/Democratic}} | [[Wyman B. S. Moor]] (D)
| Appointed January 5, 1848.

|-
| [[List of United States senators from Georgia|Georgia]]<br/>(3)
| {{party shading/Democratic}} | [[Walter T. Colquitt]] (D)
| Incumbent resigned February 4, 1848.<br/>Successor appointed February 4, 1848, to finish the term.
| {{party shading/Democratic}} | [[Herschel Vespasian Johnson|Herschel V. Johnson]] (D)
| Appointed February 4, 1848.

|-
| [[List of United States senators from Arkansas|Arkansas]]<br/>(3)
| {{party shading/Democratic}} | [[Ambrose Hundley Sevier|Ambrose H. Sevier]] (D)
| Incumbent resigned March 15, 1848.<br/>Successor appointed March 30, 1848, to finish the term.
| {{party shading/Democratic}} | [[Solon Borland]] (D)
| Appointed March 30, 1848.

|-
| [[List of United States senators from Arkansas|Arkansas]]<br/>(2)
| {{party shading/Democratic}} | [[Chester Ashley]] (D)
| Incumbent died April 29, 1848.<br/>Successor appointed May 12, 1848, and elected sometime thereafter.
| {{party shading/Democratic}} | [[William K. Sebastian]] (D)
| Elected May 12, 1848.

|-
| [[List of United States senators from Wisconsin|Wisconsin]]<br/>(1)
| colspan=2 | Wisconsin admitted to the Union May 29, 1848.<br/>First Senator elected June 8, 1848.
| {{party shading/Democratic}} | [[Henry Dodge]] (D)
| Elected June 8, 1848.

|-
| [[List of United States senators from Wisconsin|Wisconsin]]<br/>(3)
| colspan=2 | Wisconsin admitted to the Union May 29, 1848.<br/>First Senator elected June 8, 1848.
| {{party shading/Democratic}} | [[Isaac P. Walker]] (D)
| Elected June 8, 1848.

|-
| [[List of United States senators from Michigan|Michigan]]<br/>(1)
| {{party shading/Democratic}} | [[Lewis Cass]] (D)
| Incumbent resigned May 29, 1848, to [[1848 United States presidential election|run for U.S. President]].<br/>Successor appointed June 8, 1848.
| {{party shading/Democratic}} | [[Thomas Fitzgerald (American politician)|Thomas Fitzgerald]] (D)
| Elected June 8, 1848.

|-
| [[List of United States senators from Maine|Maine]]<br/>(1)
| {{party shading/Democratic}} | [[Wyman B. S. Moor]] (D)
| Interim appointee retired when successor elected June 7, 1848.
| {{party shading/Democratic}} | [[Hannibal Hamlin]] (D)
| Elected June 7, 1848.

|-
| [[List of United States senators from Kentucky|Kentucky]]<br/>(3)
| {{party shading/Whig}} | [[John J. Crittenden]] (W)
| Incumbent resigned June 12, 1848, to run for [[Governor of Kentucky]].<br/>Successor appointed June 23, 1848, and elected sometime thereafter.
| {{party shading/Whig}} | [[Thomas Metcalfe (Kentucky)|Thomas Metcalfe]] (W)
| Elected June 23, 1848.

|-
| [[List of United States senators from Alabama|Alabama]]<br/>(3)
| {{party shading/Democratic}} | [[Arthur P. Bagby]] (D)
| Incumbent resigned June 16, 1848, to become [[United States Ambassador to Russia|U.S. Minister to Russia]].<br/>Successor elected July 1, 1848.
| {{party shading/Democratic}} | [[William R. King]] (D)
| Elected July 1, 1848.

|-
| [[List of United States senators from Alabama|Alabama]]<br/>(2)
| {{party shading/Democratic}} | [[Dixon Hall Lewis|Dixon H. Lewis]] (D)
| Incumbent died October 25, 1848.<br/>Successor elected November 25, 1848.
| {{party shading/Democratic}} | [[Benjamin Fitzpatrick]] (D)
| Elected November 25, 1848.

|-
| [[List of United States senators from Delaware|Delaware]]<br/>(1)
| {{party shading/Whig}} | [[John M. Clayton]] (W)
| Incumbent resigned February 23, 1849, to become [[U.S. Secretary of State]].<br/>Successor elected February 23, 1849.
| {{party shading/Whig}} | [[John Wales]] (W)
| Elected February 23, 1849.
|}

=== House of Representatives ===
* Replacements: 10
** [[Democratic Party (United States)|Democrats (D)]]: no net change
** [[Whig Party (United States)|Whigs (W)]]: no net change
* Deaths: 7
* Resignations: 0
* Contested election: 1
* Seats of newly admitted states: 2
*'''Total seats with changes: 12'''
<!--
Sorted Chronologically by date of vacancy
-->
{{main|List of special elections to the United States House of Representatives}}
{{Ordinal US Congress change|House}}

|-
| {{ushr|Illinois|5|Illinois 5th}}
| Vacant
| Representative [[Stephen A. Douglas]] resigned at end of previous congress.
| {{party shading/Democratic}} | [[William Alexander Richardson|William A. Richardson]] (D)
| Seated December 6, 1847

|-
| {{ushr|Virginia|2|Virginia 2nd}}
| {{party shading/Democratic}} | [[George Dromgoole]] (D)
| Incumbent died April 27, 1847.
| {{party shading/Democratic}} | [[Richard Kidder Meade|Richard K. Meade]] (D)
| Seated August 5, 1847

|-
| {{ushr|Michigan|2|Michigan 2nd}}
| {{party shading/Democratic}} | [[Edward Bradley (politician)|Edward Bradley]] (D)
| Incumbent died August 5, 1847.
| {{party shading/Democratic}} | [[Charles E. Stuart]] (D)
| Seated December 6, 1847

|-
| {{ushr|Pennsylvania|6|Pennsylvania 6th}}
| {{party shading/Whig}} | [[John Westbrook Hornbeck|John W. Hornbeck]] (W)
| Incumbent died January 16, 1848.
| {{party shading/Democratic}} | [[Samuel Augustus Bridges|Samuel A. Bridges]] (D)
| Seated March 6, 1848

|-
| {{ushr|Massachusetts|8|Massachusetts 8th}}
| {{party shading/Whig}} | [[John Quincy Adams]] (W)
| Incumbent died February 23, 1848.
| {{party shading/Whig}} | [[Horace Mann]] (W)
| Seated April 3, 1848

|-
| {{ushr|New York|27|New York 27th}}
| {{party shading/Whig}} | [[John M. Holley]] (W)
| Incumbent died March 8, 1848.
| {{party shading/Whig}} | [[Esbon Blackmar]] (W)
| Seated December 4, 1848

|-
| {{ushr|South Carolina|1|South Carolina 1st}}
| {{party shading/Democratic}} | [[James A. Black]] (D)
| Incumbent died April 3, 1848.
| {{party shading/Democratic}} | [[Daniel Wallace (South Carolina)|Daniel Wallace]] (D)
| Seated June 12, 1848

|-
| {{ushr|New York|6|New York 6th}}
| {{party shading/Democratic}} | [[David S. Jackson]] (D)
| [[James Monroe (New York politician)|James Monroe]] contested seat after which the House declared the seat vacant April 19, 1848.
| {{party shading/Whig}} | [[Horace Greeley]] (W)
| Seated December 4, 1848

|-
| {{ushr|Wisconsin|1|Wisconsin 1st}}
| colspan=2 | Wisconsin admitted into the Union May 29, 1848, and seat remained vacant until June 8, 1848.
| {{party shading/Democratic}} | [[William Pitt Lynde|William P. Lynde]] (D)
| Seated June 8, 1848

|-
| {{ushr|Wisconsin|2|Wisconsin 2nd}}
| colspan=2 | Wisconsin admitted into the Union May 29, 1848, and seat remained vacant until June 8, 1848.
| {{party shading/Democratic}} | [[Mason Cook Darling|Mason C. Darling]] (D)
| Seated June 8, 1848

|-
| {{ushr|Wisconsin Territory|AL|Wisconsin Territory At-large}}
| {{party shading/Whig}} | [[John Hubbard Tweedy|John H. Tweedy]] (W)
| Incumbent was disqualified May 29, 1848, after the portion of territory he resided in achieved statehood.
| [[Henry Hastings Sibley|Henry H. Sibley]]
| Seated October 30, 1848

|-
| {{ushr|South Carolina|4|South Carolina 4th}}
| {{party shading/Democratic}} | [[Alexander D. Sims]] (D)
| Incumbent died November 22, 1848.
| {{party shading/Democratic}} | [[John McQueen]] (D)
| Seated February 12, 1849

|}

==Committees==
Lists of committees and their party leaders.

===Senate===

* [[United States Senate Committee on Agriculture|Agriculture]] (Chairman: [[Daniel Sturgeon]])
* [[United States Senate Committee to Audit and Control the Contingent Expenses of the Senate|Audit and Control the Contingent Expenses of the Senate]] (Chairman: [[Alpheus Felch]] then [[Isaac P. Walker]])
* [[United States Senate Committee on Claims|Claims]] (Chairman: [[Moses Norris Jr.]])
* [[United States Senate Committee on Commerce|Commerce]] (Chairman: [[John Adams Dix]])
* [[United States Senate Select Committee on Distributing Public Revenue Among the States|Distributing Public Revenue Among the States]] (Select)
* [[United States Senate Committee on the District of Columbia|District of Columbia]] (Chairman: [[Herschel V. Johnson]])
* [[United States Senate Select Committee on the Expedition of John C. Fremont|Expedition of John C. Fremont]] (Select)
* [[United States Senate Committee on Enrolled Bills|Enrolled Bills]] (Chairman: [[Thomas J. Rusk]]) 
* [[United States Senate Committee on Finance|Finance]] (Chairman: [[Charles G. Atherton]])
* [[United States Senate Committee on Foreign Relations|Foreign Relations]] (Chairman: [[Ambrose H. Sevier]] then [[Edward A. Hannegan]] then [[Thomas Hart Benton (politician)|Thomas Hart Benton]])
* [[United States Senate Committee on Indian Affairs|Indian Affairs]] (Chairman: [[David R. Atchison]])
* [[United States Senate Committee on the Judiciary|Judiciary]] (Chairman: [[Andrew P. Butler]]) 
* [[United States Senate Committee on the Library|Library]] (Chairman: [[James Pearce (American politician)|James A. Pearce]]) 
* [[United States Senate Committee on Manufactures|Manufactures]] (Chairman: [[Daniel S. Dickinson]])
* [[United States Senate Select Committee on the Memorial of Certain Cherokee Claimants|Memorial of Certain Cherokee Claimants]] (Select)
* [[United States Senate Committee on Military Affairs|Military Affairs]] (Chairman: [[Lewis Cass]] then [[Thomas Hart Benton (politician)|Thomas Hart Benton]])
* [[United States Senate Committee on the Militia|Militia]] (Chairman: [[Thomas J. Rusk]])
* [[United States Senate Select Committee on Monuments to Deceased Senators|Monuments to Deceased Senators]] (Select)
* [[United States Senate Committee on Naval Affairs|Naval Affairs]] (Chairman: [[David Levy Yulee]])
* [[United States Senate Select Committee on the Oregon Railroad|Oregon Railroad]] (Select)
* [[United States Senate Select Committee on the Ordnance and War Ships|Ordnance and War Ships]] (Select)
* [[United States Senate Committee on Patents and the Patent Office|Patents and the Patent Office]] (Chairman: [[James D. Westcott]])
* [[United States Senate Committee on Pensions|Pensions]] (Chairman: [[Henry Johnson (Louisiana)|Henry Johnson]])
* [[United States Senate Committee on Post Office and Post Roads|Post Office and Post Roads]] (Chairman: [[John M. Niles]])
* [[United States Senate Committee on Printing|Printing]] (Chairman: [[Simon Cameron]])
* [[United States Senate Committee on Private Land Claims|Private Land Claims]] (Chairman: [[Solomon W. Downs]]) 
* [[United States Senate Committee on Public Buildings and Grounds|Public Buildings and Grounds]] (Chairman: [[Robert M.T. Hunter]])
* [[United States Senate Committee on Public Lands|Public Lands]] (Chairman: [[Sidney Breese]] then [[Alpheus Felch]])
* [[United States Senate Select Committee on Retired List for the Army and the Navy|Retired List for the Army and the Navy]] (Select)
* [[United States Senate Committee on Retrenchment|Retrenchment]] (Chairman: [[Hopkins L. Turney]]) 
* [[United States Senate Select Committee on the Seventh Census|Seventh Census]] (Select)
* [[United States Senate Committee on Revolutionary Claims|Revolutionary Claims]] (Chairman: [[Jesse D. Bright]])
* [[United States Senate Select Committee on Rivers and Harbors Convention in Chicago|Rivers and Harbors Convention in Chicago]] (Select)
* [[United States Senate Committee on Roads and Canals|Roads and Canals]] (Chairman: [[Edward A. Hannegan]])
* [[United States Senate Special Committee on the Tariff Bill of 1828|Tariff Bill of 1828]] (Special)
* [[United States Senate Select Committee on the Tariff Regulation|Tariff Regulation]] (Select)
* [[United States Senate Committee on Territories|Territories]] (Chairman: [[Stephen A. Douglas]])
* [[Committee of the whole|Whole]]

===House of Representatives===

* [[United States House Committee on Accounts|Accounts]] (Chairman: [[Daniel P. King]])
* [[United States House Committee on Agriculture|Agriculture]] (Chairman: [[Hugh White (New York politician)|Hugh White]])
* [[United States House Committee on Claims|Claims]] (Chairman: [[Joseph R. Ingersoll]])
* [[United States House Committee on Commerce|Commerce]] (Chairman: [[Washington Hunt]])
* [[United States House Committee on the District of Columbia|District of Columbia]] (Chairman: [[John G. Chapman]])
* [[United States House Committee on Elections|Elections]] (Chairman: [[Richard W. Thompson]])
* [[United States House Committee on Engraving|Engraving]] (Chairman: [[Lewis Charles Levin]])
* [[United States House Committee on Enrolled Bills|Enrolled Bills]] (Chairman: [[James G. Hampton]])
* [[United States House Committee on Expenditures in the Navy Department|Expenditures in the Navy Department]] (Chairman: [[Patrick W. Tompkins]])
* [[United States House Committee on Expenditures in the Post Office Department|Expenditures in the Post Office Department]] (Chairman: [[James Wilson II (New Hampshire politician)|James Wilson]])
* [[United States House Committee on Expenditures in the State Department|Expenditures in the State Department]] (Chairman: [[Daniel M. Barringer]])
* [[United States House Committee on Expenditures in the Treasury Department|Expenditures in the Treasury Department]] (Chairman: [[Joseph M. Root]])
* [[United States House Committee on Expenditures in the War Department|Expenditures in the War Department]] (Chairman: [[John H. Crozier]])
* [[United States House Committee on Expenditures on Public Buildings|Expenditures on Public Buildings]] (Chairman: [[Edward Carrington Cabell]])
* [[United States House Committee on Foreign Affairs|Foreign Affairs]] (Chairman: [[John Alexander McClernand|John A. McClernand]])
* [[United States House Committee on Indian Affairs|Indian Affairs]] (Chairman: [[Daniel M. Barringer]])
* [[United States House Committee on Invalid Pensions|Invalid Pensions]] (Chairman: [[Andrew S. Fulton]])
* [[United States House Committee on Judiciary|Judiciary]] (Chairman: [[Joseph R. Ingersoll]])
* [[United States House Committee on Manufactures|Manufactures]] (Chairman: [[Andrew Stewart (American politician, died 1872)|Andrew Stewart]])
* [[United States House Committee on Mileage|Mileage]] (Chairman: [[Hiram Belcher]])
* [[United States House Committee on Military Affairs|Military Affairs]] (Chairman: [[John M. Botts]])
* [[United States House Committee on the Militia|Militia]] (Chairman: [[John Burton Thompson|John B. Thompson]])
* [[United States House Committee on Naval Affairs|Naval Affairs]] (Chairman: [[Thomas Butler King]])
* [[United States House Committee on Patents|Patents]] (Chairman: [[John W. Farrelly]])
* [[United States House Committee on Printing|Printing]] (Chairman: [[Harmon S. Conger]])
* [[United States House Committee on Private Land Claims|Private Land Claims]] (Chairman: [[John Gayle (Alabama politician)|John Gayle]])
* [[United States House Committee on Post Office and Post Roads|Post Office and Post Roads]] (Chairman: [[William L. Goggin]])
* [[United States House Committee on Public Buildings and Grounds|Public Buildings and Grounds]] (Chairman: [[John W. Houston]])
* [[United States House Committee on Public Expenditures|Public Expenditures]] (Chairman: [[Thomas L. Clingman]])
* [[United States House Committee on Public Lands|Public Lands]] (Chairman: [[Jacob Collamer]])
* [[United States House Committee on Revisal and Unfinished Business|Revisal and Unfinished Business]] (Chairman: [[Henry Nes]])
* [[United States House Committee on Revolutionary Claims|Revolutionary Claims]] (Chairman: [[Daniel P. King]])
* [[United States House Committee on Revolutionary Pensions|Revolutionary Pensions]] (Chairman: [[William M. Cocke]])
* [[United States House Committee on Roads and Canals|Roads and Canals]] (Chairman: [[Robert C. Schenck]])
* [[United States House Select Committee on Rules|Rules]] (Select)
* [[United States House Committee on Standards of Official Conduct|Standards of Official Conduct]]
* [[United States House Committee on Territories|Territories]] (Chairman: [[Caleb B. Smith]])
* [[United States House Committee on Ways and Means|Ways and Means]] (Chairman: [[Samuel F. Vinton]])
* [[Committee of the Whole (United States House of Representatives)|Whole]]

===Joint committees===

* [[United States Congress Joint Committee on Enrolled Bills|Enrolled Bills]]
* [[United States Congress Joint Committee on the Library|The Library]] 
* [[United States Congress Joint Committee on Printing|Printing]]

== Employees ==
* [[Librarian of Congress]]: [[John Silva Meehan]]

=== Senate ===
* [[Chaplain of the United States Senate|Chaplain]]: [[Henry Slicer]] ([[Methodism|Methodist]])
* [[Secretary of the United States Senate|Secretary]]: [[Asbury Dickins]]
* [[Sergeant at Arms of the United States Senate|Sergeant at Arms]]: [[Robert Beale (Sergeant at Arms)|Robert Beale]]

=== House of Representatives ===
* [[Chaplain of the United States House of Representatives|Chaplain]]: [[William T.S. Sprole]] ([[Presbyterianism|Presbyterian]]), until December 6, 1847
** [[Ralph Gurley]] ([[Presbyterianism|Presbyterian]]), elected December 6, 1847
* [[Clerk of the United States House of Representatives|Clerk]]: [[Benjamin Brown French|Benjamin B. French]], until December 8, 1847
** [[Thomas Jefferson Campbell|Thomas J. Campbell]], elected December 8, 1847
* [[Doorkeeper of the United States House of Representatives|Doorkeeper]]: [[Robert E. Horner]], elected December 8, 1847
* [[Postmaster of the United States House of Representatives|Postmaster]]: [[John M. Johnson (Postmaster)|John M. Johnson]]
* [[Reading Clerk of the United States House of Representatives|Reading Clerks]]: {{dm|date=February 2020}}
* [[Sergeant at Arms of the United States House of Representatives|Sergeant at Arms]]: [[Newton Lane]], until December 8, 1847
** [[Nathan Sergeant]], elected December 8, 1847

== See also ==
* [[1846 United States elections]] (elections leading to this Congress)
** [[1846–47 United States Senate elections]]
** [[1846–47 United States House of Representatives elections]]
* [[1848 United States elections]] (elections during this Congress, leading to the next Congress)
** [[1848 United States presidential election]]
** [[1848–49 United States Senate elections]]
** [[1848–49 United States House of Representatives elections]]

== Notes ==
{{Notelist}}

== References ==
{{reflist}}
* {{cite book | title= The Historical Atlas of Political Parties in the United States Congress | last= Martis | first= Kenneth C. | year= 1989 | publisher= Macmillan Publishing Company | location= New York}}
* {{cite book | title= The Historical Atlas of United States Congressional Districts | last= Martis | first= Kenneth C. | year= 1982 | publisher= Macmillan Publishing Company | location= New York}}

== External links ==
* [http://memory.loc.gov/ammem/amlaw/lwsllink.html Statutes at Large, 1789–1875]
* [http://memory.loc.gov/ammem/amlaw/lwsjlink.html Senate Journal, First Forty-three Sessions of Congress]
* [http://memory.loc.gov/ammem/amlaw/lwhjlink.html#anchor2 House Journal, First Forty-three Sessions of Congress]
* [https://web.archive.org/web/20060601025644/http://www.gpoaccess.gov/serialset/cdocuments/hd108-222/index.html Biographical Directory of the U.S. Congress]
* [http://clerk.house.gov/art_history/house_history/index.html U.S. House of Representatives: House History]
* [https://www.senate.gov/pagelayout/reference/two_column_table/stats_and_lists.htm U.S. Senate: Statistics and Lists]
* {{cite book | title=Congressional Directory for the 30th Congress, 1st Session | date=1848 | publisher=W. Q. Force | url= http://babel.hathitrust.org/cgi/pt?id=njp.32101015060435&seq=13 }}
* {{cite book | title=Congressional Directory for the 30th Congress, 2nd Session | url= https://books.google.com/books?id=g89FAQAAMAAJ|last1 = Congress|first1 = United States|year = 1849}}
{{USCongresses}}

[[Category:30th United States Congress| ]]