| Combined statistical area[1]
|
2023 population (est.)[2]
|
Core-based statistical area[1]
|
2023 population (est.)[2]
|
County-equivalent
|
2023 population (est.)[2]
|
Metropolitan division[1]
|
2023 population (est.)[2]
|
| Philadelphia-Camden-Vineland, PA-NJ-DE-MD CSA
|
7,390,919 4,624,593 (PA)
|
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD MSA
|
6,246,160 4,191,772 (PA)
|
Philadelphia County, Pennsylvania
|
1,550,542
|
Philadelphia, PA MD
|
2,127,262
|
| Delaware County, Pennsylvania
|
576,720
|
| Montgomery County, Pennsylvania
|
868,742
|
Montgomery County-Chester County-Bucks County, PA MD
|
2,064,510
|
| Bucks County, Pennsylvania
|
645,984
|
| Chester County, Pennsylvania
|
549,784
|
| Camden County, New Jersey
|
527,196
|
Camden, NJ MD
|
1,304,786
|
| Burlington County, New Jersey
|
469,167
|
| Gloucester County, New Jersey
|
308,423
|
| New Castle County, Delaware
|
578,592
|
Wilmington, DE-MD-NJ MD
|
749,602
|
| Cecil County, Maryland
|
105,672
|
| Salem County, New Jersey
|
65,338
|
| Reading, PA MSA
|
432,821
|
Berks County, Pennsylvania
|
432,821
|
none
|
| Atlantic City-Hammonton, NJ MSA
|
369,823
|
Atlantic County, New Jersey
|
275,213
|
| Cape May County, New Jersey
|
94,610
|
| Dover, DE MSA
|
189,789
|
Kent County, Delaware
|
189,789
|
| Vineland, NJ MSA
|
152,326
|
Cumberland County, New Jersey
|
152,326
|
| Pittsburgh-Weirton-Steubenville, PA-OH-WV CSA
|
2,727,866 2,614,322 (PA)
|
Pittsburgh, PA MSA
|
2,422,725
|
Allegheny County, Pennsylvania
|
1,224,825
|
| Westmoreland County, Pennsylvania
|
351,163
|
| Washington County, Pennsylvania
|
210,232
|
| Butler County, Pennsylvania
|
198,413
|
| Beaver County, Pennsylvania
|
165,631
|
| Fayette County, Pennsylvania
|
123,915
|
| Lawrence County, Pennsylvania
|
84,472
|
| Armstrong County, Pennsylvania
|
64,074
|
| Weirton-Steubenville, WV-OH MSA
|
113,544
|
Jefferson County, Ohio
|
64,026
|
| Hancock County, West Virginia
|
28,145
|
| Brooke County, West Virginia
|
21,373
|
| Hermitage, PA μSA
|
108,503
|
Mercer County, Pennsylvania
|
108,503
|
| Indiana, PA μSA
|
83,094
|
Indiana County, Pennsylvania
|
83,094
|
| Harrisburg–York–Lebanon, PA CSA
|
1,321,695
|
Harrisburg-Carlisle, PA MSA
|
606,055
|
Dauphin County, Pennsylvania
|
289,234
|
| Cumberland County, Pennsylvania
|
270,738
|
| Perry County, Pennsylvania
|
46,083
|
| York-Hanover, PA MSA
|
464,640
|
York County, Pennsylvania
|
464,640
|
| Lebanon, PA MSA
|
144,252
|
Lebanon County, Pennsylvania
|
144,252
|
| Gettysburg, PA MSA
|
106,748
|
Adams County, Pennsylvania
|
106,748
|
| Allentown-Bethlehem-East Stroudsburg, PA-NJ CSA
|
1,039,608 928,356 (PA)
|
Allentown-Bethlehem-Easton, PA-NJ MSA
|
873,555 762,303 (PA)
|
Lehigh County, Pennsylvania
|
377,754
|
| Northampton County, Pennsylvania
|
319,091
|
| Warren County, New Jersey
|
111,252
|
| Carbon County, Pennsylvania
|
65,458
|
| East Stroudsburg, PA μSA
|
166,053
|
Monroe County, Pennsylvania
|
166,053
|
| none
|
Scranton--Wilkes-Barre, PA MSA
|
569,413
|
Luzerne County, Pennsylvania
|
327,388
|
| Lackawanna County, Pennsylvania
|
216,123
|
| Wyoming County, Pennsylvania
|
25,902
|
| Lancaster, PA MSA
|
558,589
|
Lancaster County, Pennsylvania
|
558,589
|
| Erie-Meadville, PA CSA
|
349,572
|
Erie, PA MSA
|
267,571
|
Erie County, Pennsylvania
|
267,571
|
| Meadville, PA μSA
|
82,001
|
Crawford County, Pennsylvania
|
82,001
|
| Bloomsburg-Berwick-Sunbury, PA CSA
|
255,178
|
Sunbury, PA μSA
|
107,980
|
Northumberland County, Pennsylvania
|
90,120
|
| Montour County, Pennsylvania
|
17,860
|
| Bloomsburg-Berwick, PA μSA
|
65,439
|
Columbia County, Pennsylvania
|
65,439
|
| Lewisburg, PA μSA
|
42,042
|
Union County, Pennsylvania
|
42,042
|
| Selinsgrove, PA μSA
|
39,717
|
Snyder County, Pennsylvania
|
39,717
|
| State College-DuBois, PA CSA
|
234,885
|
State College, PA MSA
|
157,795
|
Centre County, Pennsylvania
|
157,795
|
| DuBois, PA μSA
|
77,090
|
Clearfield County, Pennsylvania
|
77,090
|
| Johnstown-Somerset, PA CSA
|
202,865
|
Johnstown, PA MSA
|
130,668
|
Cambria County, Pennsylvania
|
130,668
|
| Somerset, PA μSA
|
72,197
|
Somerset County, Pennsylvania
|
72,197
|
| Altoona-Huntingdon, PA CSA
|
163,787
|
Altoona, PA MSA
|
120,273
|
Blair County, Pennsylvania
|
120,273
|
| Huntingdon, PA μSA
|
43,514
|
Huntingdon County, Pennsylvania
|
43,514
|
| Washington-Baltimore-Arlington, DC-MD-VA-WV-PA CSA
|
10,069,592 157,854 (PA)
|
Washington-Arlington-Alexandria, DC-VA-MD-WV MSA
|
6,304,975
|
Fairfax County, Virginia
|
1,141,878
|
Arlington-Alexandria-Reston, VA-WV MD
|
3,154,735
|
| Prince William County, Virginia
|
489,640
|
| Loudoun County, Virginia
|
436,347
|
| Arlington County, Virginia
|
234,162
|
| Stafford County, Virginia
|
165,428
|
| City of Alexandria, Virginia
|
155,230
|
| Spotsylvania County, Virginia
|
149,588
|
| Fauquier County, Virginia
|
75,165
|
| Jefferson County, West Virginia
|
59,787
|
| Culpeper County, Virginia
|
54,973
|
| City of Manassas, Virginia
|
42,696
|
| Warren County, Virginia
|
41,843
|
| City of Fredericksburg, Virginia
|
28,928
|
| City of Fairfax, Virginia
|
25,144
|
| City of Manassas Park, Virginia
|
16,361
|
| Clarke County, Virginia
|
15,466
|
| City of Falls Church, Virginia
|
14,685
|
| Rappahannock County, Virginia
|
7,414
|
| Prince George's County, Maryland
|
947,430
|
Washington, DC-MD MD
|
1,798,375
|
| District of Columbia
|
678,972
|
| Charles County, Maryland
|
171,973
|
| Montgomery County, Maryland
|
1,058,474
|
Frederick-Gaithersburg-Bethesda, MD MD
|
1,351,865
|
| Frederick County, Maryland
|
293,391
|
| Baltimore-Columbia-Towson, MD MSA
|
2,834,316
|
Baltimore County, Maryland
|
844,703
|
none
|
| Anne Arundel County, Maryland
|
594,582
|
| Baltimore City, Maryland
|
565,239
|
| Howard County, Maryland
|
336,001
|
| Harford County, Maryland
|
264,644
|
| Carroll County, Maryland
|
176,639
|
| Queen Anne's County, Maryland
|
52,508
|
| Hagerstown-Martinsburg, MD-WV MSA
|
305,902
|
Washington County, Maryland
|
155,813
|
| Berkeley County, West Virginia
|
132,440
|
| Morgan County, West Virginia
|
17,649
|
| Lexington Park, MD μSA
|
210,009
|
St. Mary's County, Maryland
|
115,281
|
| Calvert County, Maryland
|
94,728
|
| Chambersburg, PA MSA
|
157,854
|
Franklin County, Pennsylvania
|
157,854
|
| Winchester, VA-WV MSA
|
147,260
|
Frederick County, Virginia
|
95,994
|
| City of Winchester, Virginia
|
27,617
|
| Hampshire County, West Virginia
|
23,649
|
| Lake of the Woods, VA μSA
|
38,574
|
Orange County, Virginia
|
38,574
|
| Easton, MD μSA
|
37,823
|
Talbot County, Maryland
|
37,823
|
| Cambridge, MD μSA
|
32,879
|
Dorchester County, Maryland
|
32,879
|
| Williamsport-Lock Haven, PA CSA
|
150,331
|
Williamsport, PA MSA
|
112,724
|
Lycoming County, Pennsylvania
|
112,724
|
| Lock Haven, PA μSA
|
37,607
|
Clinton County, Pennsylvania
|
37,607
|
| none
|
Pottsville, PA μSA
|
143,786
|
Schuylkill County, Pennsylvania
|
143,786
|
| New York-Newark, NY-NJ-CT-PA CSA
|
21,859,598 61,247 (PA)
|
New York-Newark-Jersey City, NY-NJ MSA
|
19,498,249
|
Kings County, New York
|
2,561,225
|
New York-Jersey City-White Plains, NY-NJ MD
|
11,864,322
|
| Queens County, New York
|
2,252,196
|
| New York County, New York
|
1,597,451
|
| Bronx County, New York
|
1,356,476
|
| Westchester County, New York
|
990,817
|
| Bergen County, New Jersey
|
957,736
|
| Hudson County, New Jersey
|
705,472
|
| Passaic County, New Jersey
|
513,395
|
| Richmond County, New York
|
490,687
|
| Rockland County, New York
|
340,807
|
| Putnam County, New York
|
98,060
|
| Suffolk County, New York
|
1,523,170
|
Nassau County-Suffolk County, NY MD
|
2,904,885
|
| Nassau County, New York
|
1,381,715
|
| Middlesex County, New Jersey
|
863,623
|
Lakewood-New Brunswick, NJ MD
|
2,379,977
|
| Ocean County, New Jersey
|
659,197
|
| Monmouth County, New Jersey
|
642,799
|
| Somerset County, New Jersey
|
348,842
|
| Essex County, New Jersey
|
851,117
|
Newark, NJ MD
|
2,167,829
|
| Union County, New Jersey
|
572,726
|
| Morris County, New Jersey
|
514,423
|
| Sussex County, New Jersey
|
146,132
|
| Hunterdon County, New Jersey
|
130,183
|
| Bridgeport-Stamford-Danbury, CT MSA
|
951,558
|
Western Connecticut Planning Region, Connecticut
|
623,907
|
none
|
| Greater Bridgeport Planning Region, Connecticut
|
327,651
|
| Kiryas Joel-Poughkeepsie-Newburgh, NY MSA
|
704,620
|
Orange County, New York
|
407,470
|
| Dutchess County, New York
|
297,150
|
| Trenton-Princeton, NJ MSA
|
381,671
|
Mercer County, New Jersey
|
381,671
|
| Kingston, NY MSA
|
182,333
|
Ulster County, New York
|
182,333
|
| Monticello, NY μSA
|
79,920
|
Sullivan County, New York
|
79,920
|
| Hemlock Farms, PA μSA
|
61,247
|
Pike County, Pennsylvania
|
61,247
|
| none
|
Sayre, PA μSA
|
59,695
|
Bradford County, Pennsylvania
|
59,695
|
| Oil City, PA μSA
|
49,431
|
Venango County, Pennsylvania
|
49,431
|
| Lewistown, PA μSA
|
45,922
|
Mifflin County, Pennsylvania
|
45,922
|
| Bradford, PA μSA
|
39,519
|
McKean County, Pennsylvania
|
39,519
|
| Warren, PA μSA
|
37,572
|
Warren County, Pennsylvania
|
37,572
|
| St. Marys, PA μSA
|
30,198
|
Elk County, Pennsylvania
|
30,198
|
| none
|
Wayne County, Pennsylvania
|
51,262
|
| Bedford County, Pennsylvania
|
47,350
|
| Jefferson County, Pennsylvania
|
43,612
|
| Tioga County, Pennsylvania
|
40,840
|
| Susquehanna County, Pennsylvania
|
38,109
|
| Clarion County, Pennsylvania
|
36,970
|
| Greene County, Pennsylvania
|
34,357
|
| Juniata County, Pennsylvania
|
23,243
|
| Potter County, Pennsylvania
|
15,999
|
| Fulton County, Pennsylvania
|
14,468
|
| Forest County, Pennsylvania
|
6,449
|
| Sullivan County, Pennsylvania
|
5,834
|
| Cameron County, Pennsylvania
|
4,380
|
| Commonwealth of Pennsylvania
|
12,961,683
|