List of United States senators from Wisconsin
Template:Short description Template:Use mdy dates Script error: No such module "Multiple image". Wisconsin was admitted to the Union on May 29, 1848. Its current U.S. senators are Republican Ron Johnson (since 2011) and Democrat Tammy Baldwin (since 2013), making it one of three states to have a split United States Senate delegation since 2025[update]Template:Dated maintenance category (articles)Script error: No such module "Check for unknown parameters"..[1] William Proxmire was the state's longest serving senator (served 1957–1989).
List of senators
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|- style="height:2em"
| colspan=3 | Vacant
| nowrap | May 29, 1848 –
Jun 8, 1848
| Wisconsin elected its senators 10 days after statehood.
| rowspan=3 | 1
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| rowspan=2 | 1
| Wisconsin elected its senators 10 days after statehood.
| nowrap | May 29, 1848 –
Jun 8, 1848
| colspan=3 | Vacant
|- style="height:2em"
! rowspan=5 | 1
| rowspan=5 align=left | File:Henry Dodge portrait.jpg
Henry Dodge
| rowspan=5 style="color:black;background-color:Template:Democratic Party (US)/meta/shading" | Democratic
| rowspan=5 nowrap | Jun 8, 1848 –
Mar 3, 1857
| rowspan=2 | Elected in 1848.
| Elected in 1848.
| rowspan=4 nowrap | Jun 8, 1848 –
Mar 3, 1855
| rowspan=4 style="color:black;background-color:Template:Democratic Party (US)/meta/shading" | Democratic
| rowspan=4 align=right | File:Isaac P. Walker.jpg
Isaac P. Walker
! rowspan=4 | 1
|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 2 | rowspan=3 | Re-elected in 1849.Template:PbRetired.
|- style="height:2em" | rowspan=3 | Re-elected in 1851.Template:PbRetired. | rowspan=3 | 2 | Template:List of United States senators Congress
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| rowspan=3 | 3
| rowspan=3 | Elected in 1855.
Retired.
| rowspan=3 nowrap | Mar 4, 1855 –
Mar 3, 1861
| rowspan=3 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=3 align=right | File:Charles Durkee.jpg
Charles Durkee
! rowspan=3 | 2
|- style="height:2em"
! rowspan=6 | 2
| rowspan=6 align=left | File:James rood doolittle.jpg
James R. Doolittle
| rowspan=6 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=6 nowrap | Mar 4, 1857 –
Mar 3, 1869
| rowspan=3 | Elected in 1857.
| rowspan=3 | 3
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| rowspan=3 | 4
| rowspan=3 | Elected in 1861.
| rowspan=9 nowrap | Mar 4, 1861 –
Mar 3, 1879
| rowspan=9 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=9 align=right | File:Timothy O. Howe - Brady-Handy.jpg
Timothy O. Howe
! rowspan=9 | 3
|- style="height:2em"
| rowspan=3 | Re-elected in 1863.
Retired.
| rowspan=3 | 4
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|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 5 | rowspan=3 | Re-elected in 1867.
|- style="height:2em"
! rowspan=3 | 3
| rowspan=3 align=left | File:Matthew H. Carpenter - Brady-Handy.jpg
Matthew H. Carpenter
| rowspan=3 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=3 nowrap | Mar 4, 1869 –
Mar 3, 1875
| rowspan=3 | Elected in 1869.Template:PbLost re-election.
| rowspan=3 | 5
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|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 6 | rowspan=3 | Re-elected in 1872.Template:PbLost re-election.
|- style="height:2em"
! rowspan=4 | 4
| rowspan=4 align=left | File:Angus Cameron - Brady-Handy.jpg
Angus Cameron
| rowspan=4 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=4 nowrap | Mar 4, 1875 –
Mar 3, 1881
| rowspan=4 | Elected in 1875.Template:PbRetired.
| rowspan=4 | 6
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| rowspan=5 | 7
| Elected in 1879.Template:PbDied.
| nowrap | Mar 4, 1879 –
Feb 24, 1881
| style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| align=right | File:Matthew H. Carpenter - Brady-Handy.jpg
Matthew H. Carpenter
! 4
|- style="height:2em"
| rowspan=2 |
| rowspan=2 nowrap | Feb 24, 1881 –
Mar 14, 1881
| rowspan=2 colspan=3 | Vacant
|- style="height:2em"
! rowspan=7 | 5
| rowspan=7 align=left | File:Philetus Sawyer - Brady-Handy.jpg
Philetus Sawyer
| rowspan=7 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=7 nowrap | Mar 4, 1881 –
Mar 3, 1893
| rowspan=4 | Elected in 1881.
| rowspan=4 | 7
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| rowspan=2 | Elected to finish Carpenter's term.Template:PbRetired.
| rowspan=2 nowrap | Mar 14, 1881 –
Mar 3, 1885
| rowspan=2 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=2 align=right | File:Angus Cameron - Brady-Handy.jpg
Angus Cameron
! rowspan=2 | 5
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| rowspan=3 | 8
| rowspan=3 | Elected in 1885.Template:PbLost re-election.
| rowspan=3 nowrap | Mar 4, 1885 –
Mar 3, 1891
| rowspan=3 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=3 align=right | File:John Coit Spooner.jpg
John Coit Spooner
! rowspan=3 | 6
|- style="height:2em" | rowspan=3 | Re-elected in 1887.Template:PbRetired. | rowspan=3 | 8 | Template:List of United States senators Congress
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| rowspan=3 | 9
| rowspan=3 | Elected in 1891.Template:PbLost renomination.
| rowspan=3 nowrap | Mar 4, 1891 –
Mar 3, 1897
| rowspan=3 style="color:black;background-color:Template:Democratic Party (US)/meta/shading" | Democratic
| rowspan=3 align=right | File:Vilas2.jpg
William F. Vilas
! rowspan=3 | 7
|- style="height:2em"
! rowspan=3 | 6
| rowspan=3 align=left | File:John L. Mitchell.jpg
John L. Mitchell
| rowspan=3 style="color:black;background-color:Template:Democratic Party (US)/meta/shading" | Democratic
| rowspan=3 nowrap | Mar 4, 1893 –
Mar 3, 1899
| rowspan=3 | Elected in 1893.Template:PbRetired.
| rowspan=3 | 9
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| rowspan=3 | 10
| rowspan=3 | Elected in 1897.[2]
| rowspan=6 nowrap | Mar 4, 1897 –
Apr 30, 1907
| rowspan=6 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=6 align=right | File:John Coit Spooner.jpg
John Coit Spooner
! rowspan=6 | 8
|- style="height:2em"
! rowspan=3 | 7
| rowspan=3 align=left | File:Joseph Quarles.jpg
Joseph V. Quarles
| rowspan=3 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=3 nowrap | Mar 4, 1899 –
Mar 3, 1905
| rowspan=3 | Elected in 1899.Template:PbRetired.
| rowspan=3 | 10
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|- style="height:2em" | Template:List of United States senators Congress | rowspan=5 | 11 | rowspan=3 | Re-elected in 1903.[3]Template:PbResigned.
|- style="height:2em"
! rowspan=15 | 8
| rowspan=15 align=left | File:Robert M. La Follette, Sr.jpg
Robert M. La Follette
| rowspan=15 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=15 nowrap | Jan 4, 1906 –
Jun 18, 1925
| rowspan=5 | Elected in 1905.Template:PbDid not assume office until Jan 4, 1906 after resigning as Governor of Wisconsin.
| rowspan=5 | 11
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| nowrap | Apr 30, 1907 –
May 17, 1907
| colspan=3 | Vacant
|- style="height:2em"
| Elected to finish Spooner's term.
| rowspan=4 nowrap | May 17, 1907 –
Mar 3, 1915
| rowspan=4 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=4 align=right | File:Isaac Stephenson.jpg
Isaac Stephenson
! rowspan=4 | 9
|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 12 | rowspan=3 | Re-elected in 1909.Template:PbRetired.
|- style="height:2em" | rowspan=3 | Re-elected in 1911. | rowspan=3 | 12 | Template:List of United States senators Congress
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| rowspan=5 | 13
| rowspan=2 | Elected in 1914.Template:PbDied.
| rowspan=2 nowrap | Mar 4, 1915 –
Oct 21, 1917
| rowspan=2 style="color:black;background-color:Template:Democratic Party (US)/meta/shading" | Democratic
| rowspan=2 align=right | File:SenatorHusting.jpg
Paul O. Husting
! rowspan=2 | 10
|- style="height:2em" | rowspan=5 | Re-elected in 1916. | rowspan=5 | 13 | rowspan=3 Template:List of United States senators Congress
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| nowrap | Oct 21, 1917 –
Apr 18, 1918
| colspan=3 | Vacant
|- style="height:2em"
| rowspan=2 | Elected in 1918 to finish Husting's term.
| rowspan=7 nowrap | Apr 18, 1918 –
Mar 3, 1927
| rowspan=7 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=7 align=right | File:SenatorLenroot.jpg
Irvine Lenroot
! rowspan=7 | 11
|- style="height:2em" | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress | rowspan=5 | 14 | rowspan=5 | Re-elected in 1920.Template:PbLost renomination.
|- style="height:2em" | rowspan=2 | Re-elected in 1922.Template:PbDied. | rowspan=5 | 14 | Template:List of United States senators Congress
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| colspan=3 | Vacant
| nowrap | Jun 18, 1925 –
Sep 30, 1925
|
|- style="height:2em"
! rowspan=11 | 9
| rowspan=11 align=left | File:RMLaFolletteJr.jpg
Robert M. La Follette Jr.
| rowspan=5 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=11 nowrap | Sep 30, 1925 –
Jan 3, 1947
| rowspan=2 | Elected to finish his father's term
|- style="height:2em"
| Template:List of United States senators Congress
| rowspan=3 | 15
| rowspan=3 | Elected in 1926.Template:PbLost renomination.
| rowspan=3 nowrap | Mar 4, 1927 –
Mar 3, 1933
| rowspan=3 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=3 align=right | File:John J. Blaine.jpg
John J. Blaine
! rowspan=3 | 12
|- style="height:2em" | rowspan=3 | Re-elected in 1928. | rowspan=3 | 15 | Template:List of United States senators Congress
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| rowspan=3 | 16
| rowspan=3 | Elected in 1932.Template:PbLost re-election.
| rowspan=3 nowrap | Mar 4, 1933 –
Jan 3, 1939
| rowspan=3 style="color:black;background-color:Template:Democratic Party (US)/meta/shading" | Democratic
| rowspan=3 align=right | File:FRyanDuffy.jpg
F. Ryan Duffy
! rowspan=3 | 13
|- style="height:2em" | rowspan=6 Template:Party shading/Progressive (Wisconsin) | Progressive | rowspan=3 | Re-elected in 1934. | rowspan=3 | 16 | Template:List of United States senators Congress
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| rowspan=3 | 17
| rowspan=3 | Elected in 1938.
| rowspan=14 nowrap | Jan 3, 1939 –
Jan 3, 1963
| rowspan=14 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=14 align=right | File:Alexander Wiley.jpg
Alexander Wiley
! rowspan=14 | 14
|- style="height:2em" | rowspan=3 | Re-elected in 1940.Template:PbLost nomination as a Republican. | rowspan=3 | 17 | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 18 | rowspan=3 | Re-elected in 1944.
|- style="height:2em"
! rowspan=6 | 10
| rowspan=6 align=left | File:Joseph McCarthy.jpg
Joseph McCarthy
| rowspan=6 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=6 nowrap | Jan 3, 1947 –
May 2, 1957
| rowspan=3 | Elected in 1946.
| rowspan=3 | 18
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|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 19 | rowspan=3 | Re-elected in 1950.
|- style="height:2em" | rowspan=3 | Re-elected in 1952.Template:PbDied. | rowspan=5 | 19 | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress
|- style="height:2em" | rowspan=3 Template:List of United States senators Congress | rowspan=5 | 20 | rowspan=5 | Re-elected in 1956.Template:PbLost re-election.
|- style="height:2em"
| colspan=3 | Vacant
| nowrap | May 2, 1957 –
Aug 27, 1957
|
|- style="height:2em"
! rowspan=16 | 11
| rowspan=16 align=left | File:Senator William Proxmire.jpg
William Proxmire
| rowspan=16 style="color:black;background-color:Template:Democratic Party (US)/meta/shading" | Democratic
| rowspan=16 nowrap | Aug 28, 1957 –
Jan 3, 1989
| Elected to finish McCarthy's term
|- style="height:2em" | rowspan=3 | Re-elected in 1958. | rowspan=3 | 20 | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress
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| rowspan=3 | 21
| rowspan=3 | Elected in 1962.
| rowspan=9 nowrap | Jan 3, 1963 –
Jan 3, 1981
| rowspan=9 style="color:black;background-color:Template:Democratic Party (US)/meta/shading" | Democratic
| rowspan=9 align=right | File:GaylordNelson.jpg
Gaylord Nelson
! rowspan=9 | 15
|- style="height:2em" | rowspan=3 | Re-elected in 1964. | rowspan=3 | 21 | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 22 | rowspan=3 | Re-elected in 1968.
|- style="height:2em" | rowspan=3 | Re-elected in 1970. | rowspan=3 | 22 | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 23 | rowspan=3 | Re-elected in 1974.Template:PbLost re-election.
|- style="height:2em" | rowspan=3 | Re-elected in 1976. | rowspan=3 | 23 | Template:List of United States senators Congress
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| rowspan=3 | 24
| rowspan=3 | Elected in 1980.
| rowspan=6 nowrap | Jan 3, 1981 –
Jan 3, 1993
| rowspan=6 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=6 align=right | File:BobKasten (1).jpg
Bob Kasten
! rowspan=6 | 16
.jpg){kind=link}
|- style="height:2em" | rowspan=3 | Re-elected in 1982.Template:PbRetired. | rowspan=3 | 24 | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 25 | rowspan=3 | Re-elected in 1986.Template:PbLost re-election.
|- style="height:2em"
! rowspan=12 | 12
| rowspan=12 align=left | File:Herbert Kohl, official photo.jpg
Herb Kohl
| rowspan=12 style="color:black;background-color:Template:Democratic Party (US)/meta/shading" | Democratic
| rowspan=12 nowrap | Jan 3, 1989 –
Jan 3, 2013
| rowspan=3 | Elected in 1988.
| rowspan=3 | 25
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| rowspan=3 | 26
| rowspan=3 | Elected in 1992.
| rowspan=9 nowrap | Jan 3, 1993 –
Jan 3, 2011
| rowspan=9 style="color:black;background-color:Template:Democratic Party (US)/meta/shading" | Democratic
| rowspan=9 align=right | File:Russ Feingold Official Portrait 3.jpg
Russ Feingold
! rowspan=9 | 17
|- style="height:2em" | rowspan=3 | Re-elected in 1994. | rowspan=3 | 26 | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 27 | rowspan=3 | Re-elected in 1998.
|- style="height:2em" | rowspan=3 | Re-elected in 2000. | rowspan=3 | 27 | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 28 | rowspan=3 | Re-elected in 2004.Template:PbLost re-election.
|- style="height:2em" | rowspan=3 | Re-elected in 2006.Template:PbRetired. | rowspan=3 | 28 | Template:List of United States senators Congress
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| rowspan=3 | 29
| rowspan=3 | Elected in 2010.
| rowspan=9 nowrap | Jan 3, 2011 –
present
| rowspan=9 style="background-color:Template:Republican Party (US)/meta/shading" | Republican
| rowspan=9 align=right | File:Ron Johnson portrait 117th Congress.jpg
Ron Johnson
! rowspan=9 | 18
|- style="height:2em"
! rowspan=9 | 13
| rowspan=9 align=left | File:Tammy Baldwin, official portrait, 113th Congress.jpg
Tammy Baldwin
| rowspan=9 style="color:black;background-color:Template:Democratic Party (US)/meta/shading" | Democratic
| rowspan=9 nowrap | Jan 3, 2013 –
present
| rowspan=3 | Elected in 2012.
| rowspan=3 | 29
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|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 30 | rowspan=3 | Re-elected in 2016.
|- style="height:2em" | rowspan=3 | Re-elected in 2018. | rowspan=3 | 30 | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 31 | rowspan=3 | Re-elected in 2022.
|- style="height:2em" | rowspan=3 | Re-elected in 2024. | rowspan=3 | 31 | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress
|- style="height:2em" | Template:List of United States senators Congress | rowspan=2 | 32 | rowspan=2 colspan=5 | To be determined in the 2028 election.
|- style="height:2em" | colspan=5 | To be determined in the 2030 election. | 32 | Template:List of United States senators Congress
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See also
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- List of United States representatives from Wisconsin
- United States congressional delegations from Wisconsin
- Elections in Wisconsin
References
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