Pennsylvania statistical areas

The United States Commonwealth of Pennsylvania currently has 48 statistical areas that have been delineated by the Office of Management and Budget (OMB). On July 21, 2023, the OMB delineated 12 combined statistical areas, 16 metropolitan statistical areas, and 20 micropolitan statistical areas in Pennsylvania.^[1] As of 2023, the largest of these is the Philadelphia-Reading-Camden, PA-NJ-DE-MD CSA, comprising the area around the state's largest city of Philadelphia in the southeast region of the state.

Statistical areas

The Office of Management and Budget (OMB) has designated more than 1,000 statistical areas for the United States and Puerto Rico.^[2] These statistical areas are important geographic delineations of population clusters used by the OMB, the United States Census Bureau, planning organizations, and federal, state, and local government entities.

The OMB defines a core-based statistical area (commonly referred to as a CBSA) as the county or counties (or county-equivalents) surrounding at least one densely-settled core of at least 10,000 population,^[2] "plus adjacent counties having a high degree of social and economic integration with the core as measured through commuting ties with the counties containing the core".^[2] The OMB further divides core-based statistical areas based on population into metropolitan statistical areas (MSAs) for those with at least 50,000 and micropolitan statistical areas (μSAs) for those with 10,000 to 49,999 people.^[2]

The OMB defines a combined statistical area (CSA) as two or more adjacent core-based statistical areas where the employment interchange rate (% commuting from A to B plus % commuting from B to A) is at least 15%.^[2] The primary statistical areas (PSAs) include all combined statistical areas and any core-based statistical area that is not a constituent of a combined statistical area.

Table

The 48 United States statistical areas and 67 counties of the Commonwealth of Pennsylvania^[a]

Combined statistical area[1]	2023 population (est.)[3]	Core-based statistical area[1]	2023 population (est.)[3]	County-equivalent	2023 population (est.)[3]	Metropolitan division[1]	2023 population (est.)[3]
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

Core-based statistical areas

The following table provides the in-state population ranking of each CBSA along with its rate of population change over time.

The 36 core-based statistical areas of the Commonwealth of Pennsylvania^[b]

2023 rank	Core-based statistical area[1]	Population
		2023 estimate[3]	Change	2020 Census[4]	Change	2010 Census[5]
1	Philadelphia-Camden-Wilmington, PA-NJ-DE-MD MSA (PA)	4,191,772	−0.62%	4,218,131	+5.22%	4,008,994
2	Pittsburgh, PA MSA	2,422,725	−1.39%	2,457,000	+0.39%	2,447,393
3	Allentown-Bethlehem-Easton, PA-NJ MSA (PA)	762,303	+1.34%	752,257	+5.58%	712,481
4	Harrisburg-Carlisle, PA MSA	606,055	+2.42%	591,712	+7.69%	549,475
5	Scranton--Wilkes-Barre, PA MSA	569,413	+0.33%	567,559	+0.70%	563,631
6	Lancaster, PA MSA	558,589	+1.01%	552,984	+6.46%	519,445
7	York-Hanover, PA MSA	464,640	+1.80%	456,438	+4.94%	434,972
8	Reading, PA MSA	432,821	+0.93%	428,849	+4.23%	411,442
9	Erie, PA MSA	267,571	−1.22%	270,876	−3.45%	280,566
10	East Stroudsburg, PA μSA	166,053	−1.35%	168,327	−0.89%	169,842
11	Chambersburg, PA MSA	157,854	+1.23%	155,932	+4.22%	149,618
12	State College, PA MSA	157,795	−0.24%	158,172	+2.72%	153,990
13	Lebanon, PA MSA	144,252	+0.69%	143,257	+7.25%	133,568
14	Pottsville, PA μSA	143,786	+0.52%	143,049	−3.53%	148,289
15	Johnstown, PA MSA	130,668	−2.10%	133,472	−7.10%	143,679
16	Altoona, PA MSA	120,273	−2.08%	122,822	−3.36%	127,089
17	Williamsport, PA MSA	112,724	−1.28%	114,188	−1.66%	116,111
18	Hermitage, PA μSA	108,503	−1.94%	110,652	−5.13%	116,638
19	Sunbury, PA μSA	107,980	−1.64%	109,783	−2.67%	112,795
20	Gettysburg, PA MSA	106,748	+2.79%	103,852	+2.41%	101,407
21	Indiana, PA μSA	83,094	−0.18%	83,246	−6.34%	88,880
22	Meadville, PA μSA	82,001	−2.31%	83,938	−5.44%	88,765
23	DuBois, PA μSA	77,090	−4.31%	80,562	−1.32%	81,642
24	Somerset, PA μSA	72,197	−2.61%	74,129	−4.65%	77,742
25	Bloomsburg-Berwick, PA μSA	65,439	+1.10%	64,727	−3.82%	67,295
26	Hemlock Farms, PA μSA	61,247	+4.63%	58,535	+2.03%	57,369
27	Sayre, PA μSA	59,695	+2.00%	58,524	−6.54%	62,622
28	Oil City, PA μSA	49,431	−2.03%	50,454	−8.24%	54,984
29	Lewistown, PA μSA	45,922	−0.48%	46,143	−1.15%	46,682
30	Huntingdon, PA μSA	43,514	−1.31%	44,092	−3.97%	45,913
31	Lewisburg, PA μSA	42,042	−1.50%	42,681	−5.04%	44,947
32	Selinsgrove, PA μSA	39,717	−0.05%	39,736	+0.09%	39,702
33	Bradford, PA μSA	39,519	−2.26%	40,432	−6.95%	43,450
34	Lock Haven, PA μSA	37,607	+0.42%	37,450	−4.56%	39,238
35	Warren, PA μSA	37,572	−2.63%	38,587	−7.72%	41,815
36	St. Marys, PA μSA	30,198	−2.56%	30,990	−2.99%	31,946
	Allentown-Bethlehem-Easton, PA-NJ MSA	873,555	+1.35%	861,889	+4.96%	821,173
	Philadelphia-Camden-Wilmington, PA-NJ-DE-MD MSA	6,246,160	+0.02%	6,245,051	+9.65%	5,695,343

Combined statistical areas

The following table provides the in-state population ranking of each CSA along with its rate of population change over time.

The 12 combined statistical area of the Commonwealth of Pennsylvania^[c]

2023 rank	Combined statistical area[1]	Population
		2023 estimate[3]	Change	2020 Census[4]	Change	2010 Census[5]
1	Philadelphia-Reading-Camden, PA-NJ-DE-MD CSA (PA)	4,624,593	−0.48%	4,646,980	+5.12%	4,420,436
2	Pittsburgh-Weirton-Steubenville, PA-OH-WV CSA (PA)	2,614,322	−1.38%	2,650,898	−0.08%	2,652,911
3	Harrisburg-York-Lebanon, PA CSA	1,321,695	+2.04%	1,295,259	+6.22%	1,219,422
4	Allentown-Bethlehem-East Stroudsburg, PA-NJ CSA (PA)	928,356	+0.84%	920,584	+4.34%	882,323
5	Erie-Meadville, PA CSA	349,572	−1.48%	354,814	−3.93%	369,331
6	Bloomsburg-Berwick-Sunbury, PA CSA	255,178	−0.68%	256,927	−2.95%	264,739
7	State College-DuBois, PA CSA	234,885	−1.61%	238,734	+1.32%	235,632
8	Johnstown-Somerset, PA CSA	202,865	−2.28%	207,601	−6.24%	221,421
9	Altoona-Huntingdon, PA CSA	163,787	−1.87%	166,914	−3.52%	173,002
10	Washington-Baltimore-Arlington, DC-MD-VA-WV-PA CSA (PA)	157,854	+1.23%	155,932	+4.22%	149,618
11	Williamsport-Lock Haven, PA CSA	150,331	−0.86%	151,638	−2.39%	155,349
12	New York-Newark, NY-NJ-CT-PA CSA (PA)	61,247	+4.63%	58,535	+2.03%	57,369
	Allentown-Bethlehem-East Stroudsburg PA-NJ CSA	1,039,608	+0.91%	1,030,216	+3.96%	991,015
	Philadelphia-Reading-Camden, PA-NJ-DE-MD CSA	7,390,919	+0.15%	7,379,700	+4.41%	7,067,807
	Pittsburgh-Weirton-Steubenville, PA-OH-WV CSA	2,727,866	−1.44%	2,767,801	−0.34%	2,777,365
	Washington-Baltimore-Arlington, DC-MD-VA-WV-PA CSA	10,069,592	+0.41%	10,028,331	+10.17%	9,102,983

See also

• Geography portal
• United States portal
• Pennsylvania portal

• Geography of Pennsylvania
  • Demographics of Pennsylvania

Notes

1. An out-of-state area and its population are displayed in green. An area that extends into more than one state is displayed in purple. A purple population number over a black population number show the total population versus the in-state population. The state's abbreviation is also shown next to the in-state total.
2. For CBSAs comprising populations from multiple states, they are listed twice to show both their intrastate population within that CBSA as well as the CBSA's total population. Only the intrastate population is ranked.
3. For CSAs comprising populations from multiple states, they are listed twice to show both their intrastate population within that CSA as well as the CSA's total population. Only the intrastate population is ranked. New York CSA's overall population is not listed due to lack of historic census data for Connecticut planning regions.