of the 67 Counties in Pennsylvania the fastest growing County is Cumberland County with 10.22% growth. The County lowest growth is Susquehanna County with -11.35% growth.
List of Counties in Pennsylvania With Population Percentage Change | |||||
|---|---|---|---|---|---|
| Map Key | Name | Population Change | Population | ||
| Adams County | 2.41% | 101,352 | |||
| Allegheny County | 2.23% | 1,224,772 | |||
| Armstrong County | -4.91% | 68,942 | |||
| Beaver County | -1.36% | 170,614 | |||
| Bedford County | -4.39% | 49,680 | |||
| Berks County | 4.23% | 411,094 | |||
| Blair County | -3.36% | 127,133 | |||
| Bradford County | -4.24% | 62,628 | |||
| Bucks County | 3.4% | 625,485 | |||
| Butler County | 5.39% | 183,946 | |||
| Cambria County | -7.1% | 143,305 | |||
| Cameron County | -10.58% | 5,058 | |||
| Carbon County | -0.77% | 65,101 | |||
| Centre County | 2.72% | 153,758 | |||
| Chester County | 7.12% | 499,548 | |||
| Clarion County | -6.87% | 39,991 | |||
| Clearfield County | -1.32% | 81,668 | |||
| Clinton County | -4.56% | 39,261 | |||
| Columbia County | -3.82% | 66,984 | |||
| Crawford County | -5.44% | 88,492 | |||
| Cumberland County | 10.22% | 235,314 | |||
| Dauphin County | 6.83% | 267,891 | |||
| Delaware County | 3.19% | 558,874 | |||
| Elk County | -2.99% | 31,981 | |||
| Erie County | -3.45% | 280,181 | |||
| Fayette County | -5.71% | 136,914 | |||
| Forest County | -9.63% | 7,664 | |||
| Franklin County | 4.22% | 149,554 | |||
| Fulton County | -1.95% | 14,829 | |||
| Greene County | -7.06% | 38,614 | |||
| Huntingdon County | -3.97% | 45,931 | |||
| Indiana County | -6.34% | 88,648 | |||
| Jefferson County | -1.57% | 45,051 | |||
| Juniata County | -4.57% | 24,664 | |||
| Lackawanna County | 0.68% | 214,353 | |||
| Lancaster County | 6.46% | 519,913 | |||
| Lawrence County | -5.53% | 90,885 | |||
| Lebanon County | 7.25% | 133,578 | |||
| Lehigh County | 7.17% | 350,165 | |||
| Luzerne County | 1.46% | 320,555 | |||
| Lycoming County | -1.66% | 116,447 | |||
| Mckean County | -6.95% | 43,451 | |||
| Mercer County | -5.13% | 116,474 | |||
| Mifflin County | -1.15% | 46,694 | |||
| Monroe County | -0.89% | 169,346 | |||
| Montgomery County | 7.09% | 799,886 | |||
| Montour County | -0.72% | 18,243 | |||
| Northampton County | 5.11% | 297,519 | |||
| Northumberland County | -3.05% | 94,441 | |||
| Perry County | -0.28% | 45,791 | |||
| Philadelphia County | 5.1% | 1,525,811 | |||
| Pike County | 2.03% | 57,437 | |||
| Potter County | -6.08% | 17,466 | |||
| Schuylkill County | -3.53% | 147,935 | |||
| Snyder County | 0.09% | 39,620 | |||
| Somerset County | -4.65% | 77,638 | |||
| Sullivan County | -9.15% | 6,453 | |||
| Susquehanna County | -11.35% | 43,171 | |||
| Tioga County | -2.23% | 42,081 | |||
| Union County | -5.04% | 44,944 | |||
| Venango County | -8.24% | 54,865 | |||
| Warren County | -7.72% | 41,613 | |||
| Washington County | 0.74% | 207,916 | |||
| Wayne County | -3.16% | 52,299 | |||
| Westmoreland County | -2.88% | 364,877 | |||
| Wyoming County | -7.81% | 28,221 | |||
| York County | 4.94% | 434,579 | |||