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

Pennsylvania Population Change Map

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List of Counties in Pennsylvania With Population Percentage Change
Map Key	Name	Population Change
	Adams County	2.41%
	Allegheny County	2.23%
	Armstrong County	-4.91%
	Beaver County	-1.36%
	Bedford County	-4.39%
	Berks County	4.23%
	Blair County	-3.36%
	Bradford County	-4.24%
	Bucks County	3.4%
	Butler County	5.39%
	Cambria County	-7.1%
	Cameron County	-10.58%
	Carbon County	-0.77%
	Centre County	2.72%
	Chester County	7.12%
	Clarion County	-6.87%
	Clearfield County	-1.32%
	Clinton County	-4.56%
	Columbia County	-3.82%
	Crawford County	-5.44%
	Cumberland County	10.22%
	Dauphin County	6.83%
	Delaware County	3.19%
	Elk County	-2.99%
	Erie County	-3.45%
	Fayette County	-5.71%
	Forest County	-9.63%
	Franklin County	4.22%
	Fulton County	-1.95%
	Greene County	-7.06%
	Huntingdon County	-3.97%
	Indiana County	-6.34%
	Jefferson County	-1.57%
	Juniata County	-4.57%
	Lackawanna County	0.68%
	Lancaster County	6.46%
	Lawrence County	-5.53%
	Lebanon County	7.25%
	Lehigh County	7.17%
	Luzerne County	1.46%
	Lycoming County	-1.66%
	Mckean County	-6.95%
	Mercer County	-5.13%
	Mifflin County	-1.15%
	Monroe County	-0.89%
	Montgomery County	7.09%
	Montour County	-0.72%
	Northampton County	5.11%
	Northumberland County	-3.05%
	Perry County	-0.28%
	Philadelphia County	5.1%
	Pike County	2.03%
	Potter County	-6.08%
	Schuylkill County	-3.53%
	Snyder County	0.09%
	Somerset County	-4.65%
	Sullivan County	-9.15%
	Susquehanna County	-11.35%
	Tioga County	-2.23%
	Union County	-5.04%
	Venango County	-8.24%
	Warren County	-7.72%
	Washington County	0.74%
	Wayne County	-3.16%
	Westmoreland County	-2.88%
	Wyoming County	-7.81%
	York County	4.94%