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%

List of Counties in Pennsylvania With Population Percentage Change

Map KeyNamePopulation Change
Adams County2.4%
Allegheny County2.2%
Armstrong County-4.9%
Beaver County-1.4%
Bedford County-4.4%
Berks County4.2%
Blair County-3.4%
Bradford County-4.2%
Bucks County3.4%
Butler County5.4%
Cambria County-7.1%
Cameron County-10.6%
Carbon County-0.8%
Centre County2.7%
Chester County7.1%
Clarion County-6.9%
Clearfield County-1.3%
Clinton County-4.6%
Columbia County-3.8%
Crawford County-5.4%
Cumberland County10.2%
Dauphin County6.8%
Delaware County3.2%
Elk County-3%
Erie County-3.5%
Fayette County-5.7%
Forest County-9.6%
Franklin County4.2%
Fulton County-1.9%
Greene County-7.1%
Huntingdon County-4%
Indiana County-6.3%
Jefferson County-1.6%
Juniata County-4.6%
Lackawanna County0.7%
Lancaster County6.5%
Lawrence County-5.5%
Lebanon County7.3%
Lehigh County7.2%
Luzerne County1.5%
Lycoming County-1.7%
Mckean County-6.9%
Mercer County-5.1%
Mifflin County-1.2%
Monroe County-0.9%
Montgomery County7.1%
Montour County-0.7%
Northampton County5.1%
Northumberland County-3%
Perry County-0.3%
Philadelphia County5.1%
Pike County2%
Potter County-6.1%
Schuylkill County-3.5%
Snyder County0.1%
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 County0.7%
Wayne County-3.2%
Westmoreland County-2.9%
Wyoming County-7.8%
York County4.9%