Tue . 19 Mar 2019

List of counties in Pennsylvania

list of counties in pennsylvania wikipedia, list of counties in pennsylvania by population
The following is a list of the sixty-seven counties of the Commonwealth of Pennsylvania in the United States of America The city of Philadelphia is coterminous with Philadelphia County, and governmental functions have been consolidated since 1854 Eight of the ten most populous counties are in the southeastern portion of the state, including four out of the top five as well

A map of the counties of Pennsylvania in 1836


  • 1 FIPS code
  • 2 Population list
  • 3 See also
  • 4 References

FIPS codeedit

The Federal Information Processing Standard FIPS code, used by the United States government to uniquely identify counties, is provided with each entry FIPS codes are five-digit numbers; for Pennsylvania the codes start with 42 and are completed with the three-digit county code The FIPS code for each county in the table links to census data for that county1

Population listedit

FIPS County Code
County seat
Adams County 001 Gettysburg 1800 Parts of York County John Adams, second US President 7005101407000000000♠101,407 7002522000000000000♠522 sq mi
7003135200000000000♠1,352 km2
Allegheny County 003 Pittsburgh 1788 Parts of Washington and Westmoreland Counties Delaware word for the Allegheny River, which possibly translates to "beautiful river" 7006122334800000000♠1,223,348 7002745000000000000♠745 sq mi
7003193000000000000♠1,930 km2
Armstrong County 005 Kittanning 1800 Parts of Allegheny, Lycoming, and Westmoreland Counties John Armstrong, Revolutionary War general 7004689410000000000♠68,941 7002664000000000000♠664 sq mi
7003172000000000000♠1,720 km2
Beaver County 007 Beaver 1800 Parts of Allegheny and Washington Counties Beaver River, itself named for the eponymous animal that was sighted along its banks 7005170539000000000♠170,539 7002444000000000000♠444 sq mi
7003115000000000000♠1,150 km2
Bedford County 009 Bedford 1771 Parts of Cumberland County Fort Bedford, which is named for John Russell, 4th Duke of Bedford 7004497620000000000♠49,762 7003101500000000000♠1,015 sq mi
7003262900000000000♠2,629 km2
Berks County 011 Reading 1752 Parts of Chester, Lancaster and Philadelphia Counties The English county of Berkshire 7005411442000000000♠411,442 7002866000000000000♠866 sq mi
7003224300000000000♠2,243 km2
Blair County 013 Hollidaysburg 1846 Parts of Huntingdon and Bedford Counties John Blair, Pennsylvania state legislator 7005127089000000000♠127,089 7002527000000000000♠527 sq mi
7003136500000000000♠1,365 km2
Bradford County 015 Towanda 1810 Parts of Luzerne and Lycoming Counties; originally called Ontario County, renamed as Bradford County in 1812 William Bradford, second US Attorney General 7004626220000000000♠62,622 7003116100000000000♠1,161 sq mi
7003300700000000000♠3,007 km2
Bucks County 017 Doylestown 1682 One of the original counties at the formation of Pennsylvania The English county of Buckinghamshire 7005625249000000000♠625,249 7002622000000000000♠622 sq mi
7003161100000000000♠1,611 km2
Butler County 019 Butler 1800 Parts of Allegheny County Richard Butler, Revolutionary War general 7005183862000000000♠183,862 7002795000000000000♠795 sq mi
7003205900000000000♠2,059 km2
Cambria County 021 Ebensburg 1804 Parts of Somerset and Huntingdon Counties Cambria, the traditional name for Wales 7005143679000000000♠143,679 7002693000000000000♠693 sq mi
7003179500000000000♠1,795 km2
Cameron County 023 Emporium 1860 Parts of Clinton, Elk, McKean, and Potter Counties Simon Cameron, US Senator from Pennsylvania 7003508500000000000♠5,085 7002399000000000000♠399 sq mi
7003103300000000000♠1,033 km2
Carbon County 025 Jim Thorpe 1843 Parts of Monroe and Northampton Counties Carbon, the element found in coal 7004652490000000000♠65,249 7002387000000000000♠387 sq mi
7003100200000000000♠1,002 km2
Centre County 027 Bellefonte 1800 Parts of Lycoming, Mifflin, Northumberland, and Huntingdon Counties Centre Furnance, the first industrial facility in the area 7005153990000000000♠153,990 7003111200000000000♠1,112 sq mi
7003288000000000000♠2,880 km2
Chester County 029 West Chester 1682 One of the original counties at the formation of Pennsylvania The English city of Chester in the county of Cheshire 7005498886000000000♠498,886 7002760000000000000♠760 sq mi
7003196800000000000♠1,968 km2
Clarion County 031 Clarion 1839 Parts of Venango and Armstrong Counties Clarion River, itself so named for its clarity 7004399880000000000♠39,988 7002609000000000000♠609 sq mi
7003157700000000000♠1,577 km2
Clearfield County 033 Clearfield 1804 Parts of Lycoming and Huntingdon Counties; Clearfield functioned as a part of Centre County for judiciary purposes until 1822 The cleared fields from logging in the area 7004816420000000000♠81,642 7003115400000000000♠1,154 sq mi
7003298900000000000♠2,989 km2
Clinton County 035 Lock Haven 1839 Parts of Lycoming and Centre Counties DeWitt Clinton, New York Governor and prominent statesman 7004392380000000000♠39,238 7002898000000000000♠898 sq mi
7003232600000000000♠2,326 km2
Columbia County 037 Bloomsburg 1813 Parts of Northumberland and Luzerne Counties Columbia, the first popular and poetic name for the United States 7004672950000000000♠67,295 7002490000000000000♠490 sq mi
7003126900000000000♠1,269 km2
Crawford County 039 Meadville 1800 Parts of Allegheny County William Crawford, surveyor who helped to open trans-Appalachian lands to settlement 7004887650000000000♠88,765 7003103800000000000♠1,038 sq mi
7003268800000000000♠2,688 km2
Cumberland County 041 Carlisle 1750 Parts of Lancaster County The historic English county of Cumberland 7005235406000000000♠235,406 7002551000000000000♠551 sq mi
7003142700000000000♠1,427 km2
Dauphin County 043 Harrisburg 1785 Parts of Lancaster County Louis-Joseph, Dauphin of France 7005268100000000000♠268,100 7002558000000000000♠558 sq mi
7003144500000000000♠1,445 km2
Delaware County 045 Media 1789 Parts of Chester County Delaware River, itself named for the Delaware tribe 7005558979000000000♠558,979 7002191000000000000♠191 sq mi
7002495000000000000♠495 km2
Elk County 047 Ridgway 1843 Parts of Jefferson, McKean, and Clearfield Counties Elk, which inhabit the forested county 7004319460000000000♠31,946 7002832000000000000♠832 sq mi
7003215500000000000♠2,155 km2
Erie County 049 Erie 1800 Parts of Allegheny County; attached to Crawford County until 1803 Lake Erie 7005280566000000000♠280,566 7002799000000000000♠799 sq mi
7003206900000000000♠2,069 km2
Fayette County 051 Uniontown 1783 Parts of Westmoreland County The Marquis de Lafayette, French-born Revolutionary War general 7005136606000000000♠136,606 7002798000000000000♠798 sq mi
7003206700000000000♠2,067 km2
Forest County 053 Tionesta 1848 Parts of Jefferson County; attached to Jefferson County until 1857 Chief natural feature 7003771600000000000♠7,716 7002431000000000000♠431 sq mi
7003111600000000000♠1,116 km2
Franklin County 055 Chambersburg 1784 Parts of Cumberland County Benjamin Franklin, key founding father of the United States 7005149618000000000♠149,618 7002771000000000000♠771 sq mi
7003199700000000000♠1,997 km2
Fulton County 057 McConnellsburg 1850 Parts of Bedford County Robert Fulton, inventor of the steamboat 7004148450000000000♠14,845 7002438000000000000♠438 sq mi
7003113400000000000♠1,134 km2
Greene County 059 Waynesburg 1796 Parts of Washington County Nathanael Greene, Revolutionary War general 7004386860000000000♠38,686 7002578000000000000♠578 sq mi
7003149700000000000♠1,497 km2
Huntingdon County 061 Huntingdon 1787 Parts of Bedford County The historic English county of Huntingdonshire 7004459130000000000♠45,913 7002889000000000000♠889 sq mi
7003230200000000000♠2,302 km2
Indiana County 063 Indiana 1803 Parts of Lycoming and Westmoreland Counties; it was attached to Westmoreland County until 1806 Native Americans 7004888800000000000♠88,880 7002834000000000000♠834 sq mi
7003216000000000000♠2,160 km2
Jefferson County 065 Brookville 1804 Parts of Lycoming County Attached to Westmoreland County until 1806 and to Indiana County until 1830 Thomas Jefferson, third US President 7004452000000000000♠45,200 7002657000000000000♠657 sq mi
7003170200000000000♠1,702 km2
Juniata County 067 Mifflintown 1831 Parts of Mifflin County Juniata River, itself named for the Iroquoian word Onayutta, meaning "Standing Stone" 7004246360000000000♠24,636 7002394000000000000♠394 sq mi
7003102000000000000♠1,020 km2
Lackawanna County 069 Scranton 1878 Parts of Luzerne County Lackawanna River, itself named for the Delaware word meaning "stream that forks" 7005214437000000000♠214,437 7002465000000000000♠465 sq mi
7003120400000000000♠1,204 km2
Lancaster County 071 Lancaster 1729 Parts of Chester County The English city of Lancaster 7005519445000000000♠519,445 7002984000000000000♠984 sq mi
7003254900000000000♠2,549 km2
Lawrence County 073 New Castle 1849 Parts of Beaver and Mercer Counties James Lawrence, War of 1812 captain 7004911080000000000♠91,108 7002363000000000000♠363 sq mi
7002940000000000000♠940 km2
Lebanon County 075 Lebanon 1813 Parts of Dauphin and Lancaster Counties Lebanon, the Biblical term for "White Mountain", which references the piety of the county's Moravian founders 7005133568000000000♠133,568 7002363000000000000♠363 sq mi
7002940000000000000♠940 km2
Lehigh County 077 Allentown 1812 Parts of Northampton County Lehigh River 7005349497000000000♠349,497 7002349000000000000♠349 sq mi
7002904000000000000♠904 km2
Luzerne County 079 Wilkes-Barre 1786 Parts of Northumberland County Anne-César, Chevalier de la Luzerne, French ambassador to the US who aided republican causes 7005320918000000000♠320,918 7002907000000000000♠907 sq mi
7003234900000000000♠2,349 km2
Lycoming County 081 Williamsport 1795 Parts of Northumberland County Lycoming Creek, itself named for the Delaware word iacomic meaning "great steam" 7005116111000000000♠116,111 7003124400000000000♠1,244 sq mi
7003322200000000000♠3,222 km2
McKean County 083 Smethport 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 Thomas McKean, second Governor of Pennsylvania 7004434500000000000♠43,450 7002984000000000000♠984 sq mi
7003254900000000000♠2,549 km2
Mercer County 085 Mercer 1800 Parts of Allegheny County Hugh Mercer, Revolutionary War general 7005116638000000000♠116,638 7002683000000000000♠683 sq mi
7003176900000000000♠1,769 km2
Mifflin County 087 Lewistown 1789 Parts of Cumberland and Northumberland Counties Thomas Mifflin, first Governor of Pennsylvania 7004466820000000000♠46,682 7002415000000000000♠415 sq mi
7003107500000000000♠1,075 km2
Monroe County 089 Stroudsburg 1836 Parts of Pike and Northampton Counties James Monroe, fifth US President 7005169842000000000♠169,842 7002617000000000000♠617 sq mi
7003159800000000000♠1,598 km2
Montgomery County 091 Norristown 1784 Parts of Philadelphia County The historic Welsh county of Montgomeryshire or Richard Montgomery, a general killed in the 1775 Battle of Quebec 7005799874000000000♠799,874 7002487000000000000♠487 sq mi
7003126100000000000♠1,261 km2
Montour County 093 Danville 1850 Parts of Columbia County Madame Montour, colonial ambassador to the Native Americans 7004182670000000000♠18,267 7002132000000000000♠132 sq mi
7002342000000000000♠342 km2
Northampton County 095 Easton 1752 Parts of Bucks County The English town of Northampton 7005297735000000000♠297,735 7002377000000000000♠377 sq mi
7002976000000000000♠976 km2
Northumberland County 097 Sunbury 1772 Parts of Lancaster, Berks, Bedford, Cumberland, and Northampton Counties The English county of Northumberland 7004945280000000000♠94,528 7002477000000000000♠477 sq mi
7003123500000000000♠1,235 km2
Perry County 099 New Bloomfield 1820 Parts of Cumberland County Oliver Hazard Perry, War of 1812 commodore 7004459690000000000♠45,969 7002556000000000000♠556 sq mi
7003144000000000000♠1,440 km2
Philadelphia County 101 Philadelphia 1682 One of the original counties at the formation of Pennsylvania "Brotherly love" from Greek philos "love" and adelphos "brother" 7006152600600000000♠1,526,006 7002143000000000000♠143 sq mi
7002370000000000000♠370 km2
Pike County 103 Milford 1814 Parts of Wayne County Zebulon Pike, explorer of the American West 7004573690000000000♠57,369 7002567000000000000♠567 sq mi
7003146900000000000♠1,469 km2
Potter County 105 Coudersport 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 James Potter, Revolutionary War general 7004174570000000000♠17,457 7003108100000000000♠1,081 sq mi
7003280000000000000♠2,800 km2
Schuylkill County 107 Pottsville 1811 Parts of Berks and Northampton Counties Schuylkill River, itself a Dutch corruption of a Delaware word possibly meaning "hidden river" 7005148289000000000♠148,289 7002778000000000000♠778 sq mi
7003201500000000000♠2,015 km2
Snyder County 109 Middleburg 1855 Parts of Union County Simon Snyder, third Governor of Pennsylvania 7004397020000000000♠39,702 7002332000000000000♠332 sq mi
7002860000000000000♠860 km2
Somerset County 111 Somerset 1795 Parts of Bedford County The historic English county of Somerset 7004777420000000000♠77,742 7003108100000000000♠1,081 sq mi
7003280000000000000♠2,800 km2
Sullivan County 113 Laporte 1847 Parts of Lycoming County; attached to Lycoming until 1848 John Sullivan, Revolutionary War general 7003642800000000000♠6,428 7002452000000000000♠452 sq mi
7003117100000000000♠1,171 km2
Susquehanna County 115 Montrose 1810 Parts of Luzerne County ; attached to Luzerne County until 1812 Susquehanna River, itself named after an Algonquin word for "muddy current" 7004433560000000000♠43,356 7002832000000000000♠832 sq mi
7003215500000000000♠2,155 km2
Tioga County 117 Wellsboro 1804 Parts of Lycoming County; attached to Lycoming until 1812 Tioga River, itself named for the Delaware word for "forks of the stream" 7004419810000000000♠41,981 7003113700000000000♠1,137 sq mi
7003294500000000000♠2,945 km2
Union County 119 Lewisburg 1813 Parts of Northumberland County The federal union of the states 7004449470000000000♠44,947 7002317000000000000♠317 sq mi
7002821000000000000♠821 km2
Venango County 121 Franklin 1800 Parts of Allegheny and Lycoming Counties; attached to until 1805 A corruption of the Delaware word onenge, meaning "otter" 7004549840000000000♠54,984 7002683000000000000♠683 sq mi
7003176900000000000♠1,769 km2
Warren County 123 Warren 1800 Parts of Allegheny and Lycoming counties; attached to Crawford County until 1805 and then to Venango until Warren was formally organized in 1819 Joseph Warren, Revolutionary War general 7004418150000000000♠41,815 7002898000000000000♠898 sq mi
7003232600000000000♠2,326 km2
Washington County 125 Washington 1781 Parts of Westmoreland County George Washington, first US President 7005207820000000000♠207,820 7002861000000000000♠861 sq mi
7003223000000000000♠2,230 km2
Wayne County 127 Honesdale 1798 Parts of Northampton County Anthony Wayne, Revolutionary War general 7004528220000000000♠52,822 7002751000000000000♠751 sq mi
7003194500000000000♠1,945 km2
Westmoreland County 129 Greensburg 1773 Parts of Bedford County The historic English county of Westmorland 7005365169000000000♠365,169 7003103600000000000♠1,036 sq mi
7003268300000000000♠2,683 km2
Wyoming County 131 Tunkhannock 1842 Parts of Luzerne County The Delaware word xwéːwaməŋk, meaning "at the big river flat" 7004282760000000000♠28,276 7002405000000000000♠405 sq mi
7003104900000000000♠1,049 km2
York County 133 York 1749 Parts of Lancaster County The English city of York 7005434972000000000♠434,972 7002910000000000000♠910 sq mi
7003235700000000000♠2,357 km2

See alsoedit

  • Pennsylvania counties by per capita income
  • List of municipalities in Pennsylvania
  • List of cities in Pennsylvania
  • List of Pennsylvania Municipalities and Counties with Home Rule Charters, Optional Charters, or Optional Plans
  • List of towns and boroughs in Pennsylvania
  • List of townships in Pennsylvania


  1. ^ "EPA County FIPS Code Listing" US Environmental Protection Agency Retrieved July 24, 2007 
  2. ^ "EPA County FIPS Code Listing" EPAgov Retrieved 2008-02-23 
  3. ^ a b c National Association of Counties "NACo - Find a county" Archived from the original on October 25, 2007 Retrieved 2008-04-30 
  4. ^ "Pennsylvania Counties" Pennsylvania State Archives Archived from the original on 2009-03-06 Retrieved 2009-09-14 
  5. ^ http://factfinder2censusgov

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