Pennsylvania — All 67 Counties

Pennsylvania has 67 counties with 1,881 communities and a combined population of 7,249,628.

CountyTownsPopulation
Philadelphia County11,582,432
Allegheny County105830,324
Montgomery County61410,631
Lehigh County26305,865
Delaware County43297,289
Berks County87264,868
Luzerne County67233,845
Lancaster County60228,163
Bucks County41208,010
York County54203,337
Lackawanna County26177,008
Dauphin County32168,317
Westmoreland County63160,516
Chester County46156,774
Erie County20142,630
Northampton County30111,628
Washington County65101,619
Cumberland County2195,675
Centre County5395,252
Schuylkill County6788,389
Blair County9485,874
Beaver County3484,818
Cambria County4978,042
Lebanon County2275,252
Butler County3362,912
Mercer County1960,937
Franklin County1660,480
Lycoming County1460,203
Fayette County4456,773
Northumberland County2553,646
Monroe County1651,718
Carbon County1841,052
Adams County2640,163
Columbia County3339,993
Lawrence County1736,938
Clearfield County3236,414
Crawford County3134,560
Indiana County2629,104
Somerset County2927,271
Armstrong County2424,894
Pike County1324,462
Mifflin County2623,306
Clinton County2022,263
Venango County1422,027
Elk County921,551
Bradford County1519,064
McKean County1019,058
Warren County1118,027
Jefferson County1117,107
Snyder County1516,498
Huntingdon County2015,931
Union County1114,959
Tioga County1214,587
Clarion County1813,569
Greene County1913,411
Wayne County1012,421
Bedford County1610,313
Susquehanna County139,275
Perry County99,060
Potter County86,293
Wyoming County86,149
Montour County24,458
Juniata County94,369
Forest County23,448
Cameron County32,310
Fulton County31,132
Sullivan County4964