Pennsylvania Counties

County Name Population
Adams County 103,009
Allegheny County 1,216,045
Armstrong County 64,735
Beaver County 163,929
Bedford County 47,888
Berks County 421,164
Blair County 121,829
Bradford County 60,323
Bucks County 628,270
Butler County 187,853
Cambria County 130,192
Cameron County 4,447
Carbon County 64,182
Centre County 162,385
Chester County 524,989
Clarion County 38,438
Clearfield County 79,255
Clinton County 38,632
Columbia County 64,964
Crawford County 84,629
Cumberland County 253,370
Dauphin County 278,299
Delaware County 566,747
Elk County 29,910
Erie County 269,728
Fayette County 129,274
Forest County 7,247
Franklin County 155,027
Fulton County 14,530
Greene County 36,233
Huntingdon County 45,144
Indiana County 84,073
Jefferson County 43,425
Juniata County 24,763
Lackawanna County 209,674
Lancaster County 545,724
Lawrence County 85,512
Lebanon County 141,793
Lehigh County 369,318
Luzerne County 317,417
Lycoming County 113,299
McKean County 40,625
Mercer County 109,424
Mifflin County 46,138
Monroe County 170,271
Montgomery County 830,915
Montour County 18,230
Northampton County 305,285
Northumberland County 90,843
Perry County 46,272
Philadelphia County 1,584,064
Pike County 55,809
Potter County 16,526
Schuylkill County 141,359
Snyder County 40,372
Somerset County 73,447
Sullivan County 6,066
Susquehanna County 40,328
Tioga County 40,591
Union County 44,923
Venango County 50,668
Warren County 39,191
Washington County 206,865
Wayne County 51,361
Westmoreland County 348,899
Wyoming County 26,794
York County 449,058