Counties in Pennsylvania, United States

County Name	Population	Water Area Percentage	Land Area Percentage
Adams County, PA	91,292	0.29%	99.71%
Allegheny County, PA	1,281,666	1.95%	98.05%
Armstrong County, PA	72,392	1.58%	98.42%
Beaver County, PA	181,412	2.18%	97.82%
Bedford County, PA	49,984	0.28%	99.72%
Berks County, PA	373,638	0.78%	99.22%
Blair County, PA	129,144	0.25%	99.75%
Bradford County, PA	62,761	0.89%	99.11%
Bucks County, PA	597,635	2.37%	97.63%
Butler County, PA	174,083	0.79%	99.21%
Cambria County, PA	152,598	0.78%	99.22%
Cameron County, PA	5,974	0.36%	99.64%
Carbon County, PA	58,802	1.6%	98.4%
Centre County, PA	135,758	0.39%	99.61%
Chester County, PA	433,501	0.51%	99.49%
Clarion County, PA	41,765	1.07%	98.93%
Clearfield County, PA	83,382	0.56%	99.44%
Clinton County, PA	37,914	0.81%	99.2%
Columbia County, PA	64,151	0.87%	99.13%
Crawford County, PA	90,366	2.41%	97.59%
Cumberland County, PA	213,674	0.18%	99.82%
Dauphin County, PA	251,798	5.78%	94.22%
Delaware County, PA	550,864	3.42%	96.58%
Elk County, PA	35,112	0.43%	99.57%
Erie County, PA	280,843	48.54%	51.46%
Fayette County, PA	148,644	0.98%	99.02%
Forest County, PA	4,946	0.76%	99.24%
Franklin County, PA	129,313	0.09%	99.91%
Fulton County, PA	14,261	0.11%	99.89%
Greene County, PA	40,672	0.36%	99.64%
Huntingdon County, PA	45,586	1.68%	98.32%
Indiana County, PA	89,605	0.6%	99.4%
Jefferson County, PA	45,932	0.21%	99.79%
Juniata County, PA	22,821	0.5%	99.5%
Lackawanna County, PA	213,295	1.27%	98.73%
Lancaster County, PA	470,658	3.53%	96.47%
Lawrence County, PA	94,643	0.63%	99.37%
Lebanon County, PA	120,327	0.2%	99.8%
Lehigh County, PA	312,090	0.48%	99.52%
Luzerne County, PA	319,250	1.8%	98.2%
Lycoming County, PA	120,044	0.72%	99.28%
McKean County, PA	45,936	0.26%	99.74%
Mercer County, PA	120,293	1.58%	98.43%
Mifflin County, PA	46,486	0.66%	99.34%
Monroe County, PA	138,687	1.44%	98.56%
Montgomery County, PA	750,097	0.89%	99.11%
Montour County, PA	18,236	1.17%	98.83%
Northampton County, PA	267,066	0.94%	99.06%
Northumberland County, PA	94,556	3.66%	96.34%
Perry County, PA	43,602	0.4%	99.6%
Philadelphia County, PA	1,517,550	5.29%	94.71%
Pike County, PA	46,302	3.5%	96.5%
Potter County, PA	18,080	0.02%	99.98%
Schuylkill County, PA	150,336	0.54%	99.46%
Snyder County, PA	37,546	0.29%	99.71%
Somerset County, PA	80,023	0.6%	99.4%
Sullivan County, PA	6,556	0.53%	99.47%
Susquehanna County, PA	42,238	1.15%	98.85%
Tioga County, PA	41,373	0.31%	99.69%
Union County, PA	41,624	0.12%	99.88%
Venango County, PA	57,565	1.17%	98.83%
Warren County, PA	43,863	1.6%	98.4%
Washington County, PA	202,897	0.45%	99.55%
Wayne County, PA	47,722	2.84%	97.16%
Westmoreland County, PA	369,993	1.05%	98.95%
Wyoming County, PA	28,080	1.88%	98.12%
York County, PA	381,751	0.64%	99.36%

State Information	Safety and Environment
Official Site of Pennsylvania State Population: 12,787,209 Pennsylvania Counties	Natural Resource Office