Download Excel File List of Counties in Pennsylvania

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S.No.,County,FIPS code ,County seat ,Area ,Population ,Established ,Origin1,Adams County,001,Gettysburg,"522sqmi(1,352km)","104,127",1800,Parts of York County2,Allegheny County,003,Pittsburgh,"745sqmi(1,930km)","1,238,090",1788,Parts of Washington and Westmoreland Counties3,Armstrong County,005,Kittanning,"664sqmi(1,720km)","65,093",1800,"Parts of Allegheny, Lycoming, and Westmoreland Counties"4,Beaver County,007,Beaver,"444sqmi(1,150km)","166,624",1800,Parts of Allegheny and Washington Counties5,Bedford County,009,Bedford,"1,015sqmi(2,629km)","47,461",1771,Parts of Cumberland County6,Berks County,011,Reading,"866sqmi(2,243km)","429,342",1752,"Parts of Chester, Lancaster and Philadelphia Counties"7,Blair County,013,Hollidaysburg,"527sqmi(1,365km)","121,767",1846,Parts of Huntingdon and Bedford Counties8,Bradford County,015,Towanda,"1,161sqmi(3,007km)","59,892",1810,"Parts of Luzerne and Lycoming Counties; originally called Ontario County, renamed as Bradford County in 1812."9,Bucks County,017,Doylestown,"622sqmi(1,611km)","646,098",1682,One of the original counties at the formation of Pennsylvania10,Butler County,019,Butler,"795sqmi(2,059km)","194,273",1800,Parts of Allegheny County11,Cambria County,021,Ebensburg,"693sqmi(1,795km)","132,167",1804,Parts of Somerset and Huntingdon Counties12,Cameron County,023,Emporium,"399sqmi(1,033km)","4,459",1860,"Parts of Clinton, Elk, McKean, and Potter Counties"13,Carbon County,025,Jim Thorpe,"387sqmi(1,002km)","65,412",1843,Parts of Monroe and Northampton Counties14,Centre County,027,Bellefonte,"1,112sqmi(2,880km)","157,527",1800,"Parts of Lycoming, Mifflin, Northumberland, and Huntingdon Counties"15,Chester County,029,West Chester,"760sqmi(1,968km)","538,649",1682,One of the original counties at the formation of Pennsylvania.16,Clarion County,031,Clarion,"609sqmi(1,577km)","37,156",1839,Parts of Venango and Armstrong Counties17,Clearfield County,033,Clearfield,"1,154sqmi(2,989km)","80,082",1804,Parts of Lycoming and Huntingdon Counties; Clearfield functioned as a part of Centre County for judiciary purposes until 1822.18,Clinton County,035,Lock Haven,"898sqmi(2,326km)","37,465",1839,Parts of Lycoming and Centre Counties19,Columbia County,037,Bloomsburg,"490sqmi(1,269km)","64,872",1813,Parts of Northumberland and Luzerne Counties20,Crawford County,039,Meadville,"1,038sqmi(2,688km)","83,351",1800,Parts of Allegheny County21,Cumberland County,041,Carlisle,"551sqmi(1,427km)","262,919",1750,Parts of Lancaster County22,Dauphin County,043,Harrisburg,"558sqmi(1,445km)","287,400",1785,Parts of Lancaster County23,Delaware County,045,Media,"191sqmi(495km)","573,849",1789,Parts of Chester County24,Elk County,047,Ridgway,"832sqmi(2,155km)","30,783",1843,"Parts of Jefferson, McKean, and Clearfield Counties"25,Erie County,049,Erie,"799sqmi(2,069km)","269,011",1800,Parts of Allegheny County; attached to Crawford County until 1803.26,Fayette County,051,Uniontown,"798sqmi(2,067km)","126,931",1783,Parts of Westmoreland County27,Forest County,053,Tionesta,"431sqmi(1,116km)","7,032",1848,Parts of Jefferson County; attached to Jefferson County until 1857.28,Franklin County,055,Chambersburg,"771sqmi(1,997km)","156,289",1784,Parts of Cumberland County29,Fulton County,057,McConnellsburg,"438sqmi(1,134km)","14,523",1850,Parts of Bedford County30,Greene County,059,Waynesburg,"578sqmi(1,497km)","35,369",1796,Parts of Washington County31,Huntingdon County,061,Huntingdon,"889sqmi(2,302km)","43,889",1787,Parts of Bedford County32,Indiana County,063,Indiana,"834sqmi(2,160km)","82,886",1803,Parts of Lycoming and Westmoreland Counties; it was attached to Westmoreland County until 1806.33,Jefferson County,065,Brookville,"657sqmi(1,702km)","44,114",1804,Parts of Lycoming County Attached to Westmoreland County until 1806 and to Indiana County until 1830.34,Juniata County,067,Mifflintown,"394sqmi(1,020km)","23,297",1831,Parts of Mifflin County35,Lackawanna County,069,Scranton,"465sqmi(1,204km)","215,663",1878,Parts of Luzerne County36,Lancaster County,071,Lancaster,"984sqmi(2,549km)","553,652",1729,Parts of Chester County37,Lawrence County,073,New Castle,"363sqmi(940km)","85,497",1849,Parts of Beaver and Mercer Counties38,Lebanon County,075,Lebanon,"363sqmi(940km)","143,493",1813,Parts of Dauphin and Lancaster Counties39,Lehigh County,077,Allentown,"349sqmi(904km)","375,539",1812,Parts of Northampton County40,Luzerne County,079,Wilkes-Barre,"907sqmi(2,349km)","326,053",1786,Parts of Northumberland County41,Lycoming County,081,Williamsport,"1,244sqmi(3,222km)","113,605",1795,Parts of Northumberland County42,McKean County,083,Smethport,"984sqmi(2,549km)","39,941",1804,Parts of Lycoming County; Attached to Centre County until 1814 and to Lycoming County until 1826 for judicial and elective purposes. McKean was fully organized only in 1826.43,Mercer County,085,Mercer,"683sqmi(1,769km)","109,972",1800,Parts of Allegheny County44,Mifflin County,087,Lewistown,"415sqmi(1,075km)","46,136",1789,Parts of Cumberland and Northumberland Counties45,Monroe County,089,Stroudsburg,"617sqmi(1,598km)","169,273",1836,Parts of Pike and Northampton Counties46,Montgomery County,091,Norristown,"487sqmi(1,261km)","860,578",1784,Parts of Philadelphia County47,Montour County,093,Danville,"132sqmi(342km)","18,087",1850,Parts of Columbia County48,Northampton County,095,Easton,"377sqmi(976km)","313,628",1752,Parts of Bucks County49,Northumberland County,097,Sunbury,"477sqmi(1,235km)","91,266",1772,"Parts of Lancaster, Berks, Bedford, Cumberland, and Northampton Counties"50,Perry County,099,New Bloomfield,"556sqmi(1,440km)","45,986",1820,Parts of Cumberland County51,Philadelphia County,101,Philadelphia,"143sqmi(370km)","1,576,251",1682,One of the original counties at the formation of Pennsylvania.52,Pike County,103,Milford,"567sqmi(1,469km)","59,952",1814,Parts of Wayne County53,Potter County,105,Coudersport,"1,081sqmi(2,800km)","16,259",1804,"From Lycoming county Attached to Lycoming County until 1826 and to McKean County until 1835 for judicial purposes, Potter was not fully organized until 1835."54,Schuylkill County,107,Pottsville,"778sqmi(2,015km)","143,264",1811,Parts of Berks and Northampton Counties55,Snyder County,109,Middleburg,"332sqmi(860km)","39,621",1855,Parts of Union County56,Somerset County,111,Somerset,"1,081sqmi(2,800km)","73,627",1795,Parts of Bedford County57,Sullivan County,113,Laporte,"452sqmi(1,171km)","5,868",1847,Parts of Lycoming County; attached to Lycoming until 1848.58,Susquehanna County,115,Montrose,"832sqmi(2,155km)","38,389",1810,Parts of Luzerne County; attached to Luzerne County until 1812.59,Tioga County,117,Wellsboro,"1,137sqmi(2,945km)","40,929",1804,Parts of Lycoming County; attached to Lycoming until 1812.60,Union County,119,Lewisburg,"317sqmi(821km)","42,568",1813,Parts of Northumberland County61,Venango County,121,Franklin,"683sqmi(1,769km)","49,938",1800,Parts of Allegheny and Lycoming Counties; attached to until 1805.62,Warren County,123,Warren,"898sqmi(2,326km)","38,134",1800,Parts of Allegheny and Lycoming counties; attached to Crawford County until 1805 and then to Venango until Warren was formally organized in 1819.63,Washington County,125,Washington,"861sqmi(2,230km)","209,470",1781,Parts of Westmoreland County64,Wayne County,127,Honesdale,"751sqmi(1,945km)","51,431",1798,Parts of Northampton County65,Westmoreland County,129,Greensburg,"1,036sqmi(2,683km)","353,057",1773,Parts of Bedford County66,Wyoming County,131,Tunkhannock,"405sqmi(1,049km)","26,034",1842,Parts of Luzerne County67,York County,133,York,"910sqmi(2,357km)","458,696",1749,Parts of Lancaster County,,,,,,,https://www.downloadexcelfiles.com/,,,,,,,