Pennsylvania Counties

There are a total of 67 Counties in Pennsylvania. The most populous County is Philadelphia County with 1525811 residents. The least populous County is Cameron County with 5058 residents.

Map List Related

Map of All Counties in Pennsylvania

List of All Counties in Pennsylvania

Map KeyNamePopulation
Adams County101,352
Allegheny County1,224,772
Armstrong County68,942
Beaver County170,614
Bedford County49,680
Berks County411,094
Blair County127,133
Bradford County62,628
Bucks County625,485
Butler County183,946
Cambria County143,305
Cameron County5,058
Carbon County65,101
Centre County153,758
Chester County499,548
Clarion County39,991
Clearfield County81,668
Clinton County39,261
Columbia County66,984
Crawford County88,492
Cumberland County235,314
Dauphin County267,891
Delaware County558,874
Elk County31,981
Erie County280,181
Fayette County136,914
Forest County7,664
Franklin County149,554
Fulton County14,829
Greene County38,614
Huntingdon County45,931
Indiana County88,648
Jefferson County45,051
Juniata County24,664
Lackawanna County214,353
Lancaster County519,913
Lawrence County90,885
Lebanon County133,578
Lehigh County350,165
Luzerne County320,555
Lycoming County116,447
Mckean County43,451
Mercer County116,474
Mifflin County46,694
Monroe County169,346
Montgomery County799,886
Montour County18,243
Northampton County297,519
Northumberland County94,441
Perry County45,791
Philadelphia County1,525,811
Pike County57,437
Potter County17,466
Schuylkill County147,935
Snyder County39,620
Somerset County77,638
Sullivan County6,453
Susquehanna County43,171
Tioga County42,081
Union County44,944
Venango County54,865
Warren County41,613
Washington County207,916
Wayne County52,299
Westmoreland County364,877
Wyoming County28,221
York County434,579

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