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About the map

Pennsylvania Map Extent

This Pennsylvania county map displays its 67 counties. Pennsylvania’s tally of 67 counties ties for 20th most in the United States. Both Florida and Alabama also have 67 counties.

Philadelphia County is the most populous county in the United States with close to 1.6 million people. In fact, it has such a high population that it has the 23rd highest population of all counties in the nation. Following this, Allegheny, Montgomery, and Bucks County are the next most populated.

Conversely, Cameron County has the fewest people in the state of Pennsylvania with under 5000 people. For size, Lycoming County is the largest with an even 1250 square miles in area. But the smallest county in Pennsylvania is Montour County with an area of 132.2 square miles.

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Pennsylvania county list

County Name Population (2020 est) County Map Area (sq mi) Locator Map FIPS Code
Adams County 102,742
Adams County Map Pennsylvania
Adams County
521.8
Adams County Map Pennsylvania Locator
Adams County Map
42001
Allegheny County 1,211,358
Allegheny County Map Pennsylvania
Allegheny County
743.7
Allegheny County Map Pennsylvania Locator
Allegheny County Map
42003
Armstrong County 64,162
Armstrong County Map Pennsylvania
Armstrong County
662.4
Armstrong County Map Pennsylvania Locator
Armstrong County Map
42005
Beaver County 162,575
Beaver County Map Pennsylvania
Beaver County
444
Beaver County Map Pennsylvania Locator
Beaver County Map
42007
Bedford County 47,817
Bedford County Map Pennsylvania
Bedford County
1017
Bedford County Map Pennsylvania Locator
Bedford County Map
42009
Berks County 421,017
Berks County Map Pennsylvania
Berks County
865.9
Berks County Map Pennsylvania Locator
Berks County Map
42011
Blair County 121,007
Blair County Map Pennsylvania
Blair County
526.5
Blair County Map Pennsylvania Locator
Blair County Map
42013
Bradford County 60,221
Bradford County Map Pennsylvania
Bradford County
1160.8
Bradford County Map Pennsylvania Locator
Bradford County Map
42015
Bucks County 627,987
Bucks County Map Pennsylvania
Bucks County
621.8
Bucks County Map Pennsylvania Locator
Bucks County Map
42017
Butler County 189,135
Butler County Map Pennsylvania
Butler County
794.8
Butler County Map Pennsylvania Locator
Butler County Map
42019
Cambria County 128,672
Cambria County Map Pennsylvania
Cambria County
693.5
Cambria County Map Pennsylvania Locator
Cambria County Map
42021
Cameron County 4,330
Cameron County Map Pennsylvania
Cameron County
398.6
Cameron County Map Pennsylvania Locator
Cameron County Map
42023
Carbon County 64,081
Carbon County Map Pennsylvania
Carbon County
387.1
Carbon County Map Pennsylvania Locator
Carbon County Map
42025
Centre County 161,496
Centre County Map Pennsylvania
Centre County
1111.9
Centre County Map Pennsylvania Locator
Centre County Map
42027
Chester County 526,759
Chester County Map Pennsylvania
Chester County
758.9
Chester County Map Pennsylvania Locator
Chester County Map
42029
Clarion County 38,305
Clarion County Map Pennsylvania
Clarion County
610
Clarion County Map Pennsylvania Locator
Clarion County Map
42031
Clearfield County 78,612
Clearfield County Map Pennsylvania
Clearfield County
1154.7
Clearfield County Map Pennsylvania Locator
Clearfield County Map
42033
Clinton County 37,957
Clinton County Map Pennsylvania
Clinton County
897
Clinton County Map Pennsylvania Locator
Clinton County Map
42035
Columbia County 64,842
Columbia County Map Pennsylvania
Columbia County
489.8
Columbia County Map Pennsylvania Locator
Columbia County Map
42037
Crawford County 83,697
Crawford County Map Pennsylvania
Crawford County
1037.8
Crawford County Map Pennsylvania Locator
Crawford County Map
42039
Cumberland County 255,857
Cumberland County Map Pennsylvania
Cumberland County
552.5
Cumberland County Map Pennsylvania Locator
Cumberland County Map
42041
Dauphin County 279,874
Dauphin County Map Pennsylvania
Dauphin County
550.8
Dauphin County Map Pennsylvania Locator
Dauphin County Map
42043
Delaware County 566,753
Delaware County Map Pennsylvania
Delaware County
185.4
Delaware County Map Pennsylvania Locator
Delaware County Map
42045
Elk County 29,607
Elk County Map Pennsylvania
Elk County
832.2
Elk County Map Pennsylvania Locator
Elk County Map
42047
Erie County 268,426
Erie County Map Pennsylvania
Erie County
804
Erie County Map Pennsylvania Locator
Erie County Map
42049
Fayette County 128,126
Fayette County Map Pennsylvania
Fayette County
798.3
Fayette County Map Pennsylvania Locator
Fayette County Map
42051
Forest County 6,965
Forest County Map Pennsylvania
Forest County
431.6
Forest County Map Pennsylvania Locator
Forest County Map
42053
Franklin County 155,637
Franklin County Map Pennsylvania
Franklin County
773
Franklin County Map Pennsylvania Locator
Franklin County Map
42055
Fulton County 14,501
Fulton County Map Pennsylvania
Fulton County
438
Fulton County Map Pennsylvania Locator
Fulton County Map
42057
Greene County 35,621
Greene County Map Pennsylvania
Greene County
576.9
Greene County Map Pennsylvania Locator
Greene County Map
42059
Huntingdon County 44,590
Huntingdon County Map Pennsylvania
Huntingdon County
890
Huntingdon County Map Pennsylvania Locator
Huntingdon County Map
42061
Indiana County 83,664
Indiana County Map Pennsylvania
Indiana County
834.7
Indiana County Map Pennsylvania Locator
Indiana County Map
42063
Jefferson County 43,108
Jefferson County Map Pennsylvania
Jefferson County
656.4
Jefferson County Map Pennsylvania Locator
Jefferson County Map
42065
Juniata County 24,619
Juniata County Map Pennsylvania
Juniata County
393.7
Juniata County Map Pennsylvania Locator
Juniata County Map
42067
Lackawanna County 208,989
Lackawanna County Map Pennsylvania
Lackawanna County
464.5
Lackawanna County Map Pennsylvania Locator
Lackawanna County Map
42069
Lancaster County 546,192
Lancaster County Map Pennsylvania
Lancaster County
978.6
Lancaster County Map Pennsylvania Locator
Lancaster County Map
42071
Lawrence County 85,083
Lawrence County Map Pennsylvania
Lawrence County
362.9
Lawrence County Map Pennsylvania Locator
Lawrence County Map
42073
Lebanon County 141,663
Lebanon County Map Pennsylvania
Lebanon County
362.6
Lebanon County Map Pennsylvania Locator
Lebanon County Map
42075
Lehigh County 370,802
Lehigh County Map Pennsylvania
Lehigh County
348
Lehigh County Map Pennsylvania Locator
Lehigh County Map
42077
Luzerne County 316,982
Luzerne County Map Pennsylvania
Luzerne County
907.2
Luzerne County Map Pennsylvania Locator
Luzerne County Map
42079
Lycoming County 113,209
Lycoming County Map Pennsylvania
Lycoming County
1242.9
Lycoming County Map Pennsylvania Locator
Lycoming County Map
42081
McKean County 40,333
McKean County Map Pennsylvania
McKean County
983.5
McKean County Map Pennsylvania Locator
McKean County Map
42083
Mercer County 108,545
Mercer County Map Pennsylvania
Mercer County
682.7
Mercer County Map Pennsylvania Locator
Mercer County Map
42085
Mifflin County 46,064
Mifflin County Map Pennsylvania
Mifflin County
414.4
Mifflin County Map Pennsylvania Locator
Mifflin County Map
42087
Monroe County 170,154
Monroe County Map Pennsylvania
Monroe County
617.4
Monroe County Map Pennsylvania Locator
Monroe County Map
42089
Montgomery County 833,869
Montgomery County Map Pennsylvania
Montgomery County
487.8
Montgomery County Map Pennsylvania Locator
Montgomery County Map
42091
Montour County 18,042
Montour County Map Pennsylvania
Montour County
132.2
Montour County Map Pennsylvania Locator
Montour County Map
42093
Northampton County 305,892
Northampton County Map Pennsylvania
Northampton County
376.9
Northampton County Map Pennsylvania Locator
Northampton County Map
42095
Northumberland County 90,258
Northumberland County Map Pennsylvania
Northumberland County
470.2
Northumberland County Map Pennsylvania Locator
Northumberland County Map
42097
Perry County 46,212
Perry County Map Pennsylvania
Perry County
555.6
Perry County Map Pennsylvania Locator
Perry County Map
42099
Philadelphia County 1,578,487
Philadelphia County Map Pennsylvania
Philadelphia County
139.3
Philadelphia County Map Pennsylvania Locator
Philadelphia County Map
42101
Pike County 56,072
Pike County Map Pennsylvania
Pike County
566.1
Pike County Map Pennsylvania Locator
Pike County Map
42103
Potter County 16,453
Potter County Map Pennsylvania
Potter County
1080.1
Potter County Map Pennsylvania Locator
Potter County Map
42105
Schuylkill County 140,709
Schuylkill County Map Pennsylvania
Schuylkill County
782.6
Schuylkill County Map Pennsylvania Locator
Schuylkill County Map
42107
Snyder County 40,317
Snyder County Map Pennsylvania
Snyder County
337.9
Snyder County Map Pennsylvania Locator
Snyder County Map
42109
Somerset County 72,916
Somerset County Map Pennsylvania
Somerset County
1081.6
Somerset County Map Pennsylvania Locator
Somerset County Map
42111
Sullivan County 5,913
Sullivan County Map Pennsylvania
Sullivan County
452.3
Sullivan County Map Pennsylvania Locator
Sullivan County Map
42113
Susquehanna County 40,006
Susquehanna County Map Pennsylvania
Susquehanna County
833.8
Susquehanna County Map Pennsylvania Locator
Susquehanna County Map
42115
Tioga County 40,381
Tioga County Map Pennsylvania
Tioga County
1137.6
Tioga County Map Pennsylvania Locator
Tioga County Map
42117
Union County 44,294
Union County Map Pennsylvania
Union County
318.9
Union County Map Pennsylvania Locator
Union County Map
42119
Venango County 50,328
Venango County Map Pennsylvania
Venango County
683
Venango County Map Pennsylvania Locator
Venango County Map
42121
Warren County 38,911
Warren County Map Pennsylvania
Warren County
897
Warren County Map Pennsylvania Locator
Warren County Map
42123
Washington County 206,803
Washington County Map Pennsylvania
Washington County
861.6
Washington County Map Pennsylvania Locator
Washington County Map
42125
Wayne County 51,163
Wayne County Map Pennsylvania
Wayne County
748.9
Wayne County Map Pennsylvania Locator
Wayne County Map
42127
Westmoreland County 347,087
Westmoreland County Map Pennsylvania
Westmoreland County
1037.3
Westmoreland County Map Pennsylvania Locator
Westmoreland County Map
42129
Wyoming County 26,557
Wyoming County Map Pennsylvania
Wyoming County
404.8
Wyoming County Map Pennsylvania Locator
Wyoming County Map
42131
York County 450,448
York County Map Pennsylvania
York County
921
York County Map Pennsylvania Locator
York County Map
42133

References

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