Pennsylvania County Map

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About the map

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