Map of Population Change for Counties in Pennsylvania - 2010 to 2020

Pennsylvania Population Change Map

< -15%

-15% to -5%

-5% to 0%

0% to 5%

5% to 15%

> 15%

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List of Counties in Pennsylvania With Population Percentage Change
Map Key Name Population Change
Adams County 2.4%

Allegheny County 2.2%

Armstrong County -4.9%

Beaver County -1.4%

Bedford County -4.4%

Berks County 4.2%

Blair County -3.4%

Bradford County -4.2%

Bucks County 3.4%

Butler County 5.4%

Cambria County -7.1%

Cameron County -10.6%

Carbon County -0.8%

Centre County 2.7%

Chester County 7.1%

Clarion County -6.9%

Clearfield County -1.3%

Clinton County -4.6%

Columbia County -3.8%

Crawford County -5.4%

Cumberland County 10.2%

Dauphin County 6.8%

Delaware County 3.2%

Elk County -3%

Erie County -3.5%

Fayette County -5.7%

Forest County -9.6%

Franklin County 4.2%

Fulton County -1.9%

Greene County -7.1%

Huntingdon County -4%

Indiana County -6.3%

Jefferson County -1.6%

Juniata County -4.6%

Lackawanna County 0.7%

Lancaster County 6.5%

Lawrence County -5.5%

Lebanon County 7.3%

Lehigh County 7.2%

Luzerne County 1.5%

Lycoming County -1.7%

Mckean County -6.9%

Mercer County -5.1%

Mifflin County -1.2%

Monroe County -0.9%

Montgomery County 7.1%

Montour County -0.7%

Northampton County 5.1%

Northumberland County -3%

Perry County -0.3%

Philadelphia County 5.1%

Pike County 2%

Potter County -6.1%

Schuylkill County -3.5%

Snyder County 0.1%

Somerset County -4.6%

Sullivan County -9.1%

Susquehanna County -11.4%

Tioga County -2.2%

Union County -5%

Venango County -8.2%

Warren County -7.7%

Washington County 0.7%

Wayne County -3.2%

Westmoreland County -2.9%

Wyoming County -7.8%

York County 4.9%