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.
Alphabetical list
| County |
FIPS Code [1] |
County seat [2] |
Established [2] |
Origin |
Etymology [3] |
Population [2] |
Area [2] |
Map |
|---|---|---|---|---|---|---|---|---|
| Adams County | 001 | Gettysburg | 1800 | Parts of York County. | John Adams | 91,292 | 522 sq mi (1,352 km2) |
 |
| Allegheny County | 003 | Pittsburgh | 1788 | Parts of Washington and Westmoreland Counties. | Lenape word, of uncertain meaning, for the Allegheny River | 1,281,666 | 745 sq mi (1,930 km2) |
 |
| Armstrong County | 005 | Kittanning | 1800 | Parts of Allegheny, Lycoming, and Westmoreland Counties. | John Armstrong | 72,392 | 664 sq mi (1,720 km2) |
 |
| Beaver County | 007 | Beaver | 1800 | Parts of Allegheny and Washington Counties. | Beaver River | 181,412 | 444 sq mi (1,150 km2) |
 |
| Bedford County | 009 | Bedford | 1771 | Parts of Cumberland County. | Fort Bedford, which is named for the Duke of Bedford | 49,984 | 1,015 sq mi (2,629 km2) |
 |
| Berks County | 011 | Reading | 1752 | Parts of Chester, Lancaster and Philadelphia Counties. | The English county of Berkshire | 373,638 | 866 sq mi (2,243 km2) |
 |
| Blair County | 013 | Hollidaysburg | 1846 | Parts of Huntingdon and Bedford Counties. | John Blair | 129,144 | 527 sq mi (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 | 62,761 | 1,161 sq mi (3,007 km2) |
 |
| Bucks County | 017 | Doylestown | 1682 | One of the original counties at the formation of Pennsylvania | The English county of Buckinghamshire | 597,635 | 622 sq mi (1,611 km2) |
 |
| Butler County | 019 | Butler | 1800 | Parts of Allegheny County. | General Richard Butler | 174,083 | 795 sq mi (2,059 km2) |
 |
| Cambria County | 021 | Ebensburg | 1804 | Parts of Somerset and Huntingdon Counties. | Wales | 152,593 | 693 sq mi (1,795 km2) |
 |
| Cameron County | 023 | Emporium | 1860 | Parts of Clinton, Elk, McKean, and Potter Counties. | Simon Cameron | 5,974 | 399 sq mi (1,033 km2) |
 |
| Carbon County | 025 | Jim Thorpe | 1843 | Parts of Monroe and Northampton Counties. | Coal | 58,802 | 387 sq mi (1,002 km2) |
 |
| Centre County | 027 | Bellefonte | 1800 | Parts of Lycoming, Mifflin, Northumberland, and Huntingdon Counties. | Centre Furnance, owned by Samuel Miles and John Patton | 135,758 | 1,112 sq mi (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 | 433,501 | 760 sq mi (1,968 km2) |
 |
| Clarion County | 031 | Clarion | 1839 | Parts of Venango and Armstrong Counties. | Clarion River | 41,765 | 609 sq mi (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 | 83,382 | 1,154 sq mi (2,989 km2) |
 |
| Clinton County | 035 | Lock Haven | 1839 | Parts of Lycoming and Centre Counties. | DeWitt Clinton | 37,914 | 898 sq mi (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 | 64,151 | 490 sq mi (1,269 km2) |
 |
| Crawford County | 039 | Meadville | 1800 | Parts of Allegheny County. | William Crawford | 90,366 | 1,038 sq mi (2,688 km2) |
 |
| Cumberland County | 041 | Carlisle | 1750 | Parts of Lancaster County. | The historic English county of Cumberland | 213,674 | 551 sq mi (1,427 km2) |
 |
| Dauphin County | 043 | Harrisburg | 1785 | Parts of Lancaster County. | The Dauphin | 251,798 | 558 sq mi (1,445 km2) |
 |
| Delaware County | 045 | Media | 1789 | Parts of Chester County. | Delaware River | 550,864 | 191 sq mi (495 km2) |
 |
| Elk County | 047 | Ridgway | 1843 | Parts of Jefferson, McKean, and Clearfield Counties. | Elk | 35,112 | 832 sq mi (2,155 km2) |
 |
| Erie County | 049 | Erie | 1800 | Parts of Allegheny County; attached to Crawford County until 1803. | Lake Erie | 280,843 | 802 sq mi (2,077 km2) |
 |
| Fayette County | 051 | Uniontown | 1783 | Parts of Westmoreland County. | The Marquis de Lafayette | 148,644 | 798 sq mi (2,067 km2) |
 |
| Forest County | 053 | Tionesta | 1848 | Parts of Jefferson County; attached to Jefferson County until 1857. | Chief natural feature | 4,946 | 431 sq mi (1,116 km2) |
 |
| Franklin County | 055 | Chambersburg | 1784 | Parts of Cumberland County. | Benjamin Franklin | 129,313 | 771 sq mi (1,997 km2) |
 |
| Fulton County | 057 | McConnellsburg | 1850 | Parts of Bedford County. | Robert Fulton | 14,261 | 438 sq mi (1,134 km2) |
 |
| Greene County | 059 | Waynesburg | 1796 | Parts of Washington County. | General Nathanael Greene | 40,672 | 578 sq mi (1,497 km2) |
 |
| Huntingdon County | 061 | Huntingdon | 1787 | Parts of Bedford County. | Possibly the historic English county of Huntingdonshire | 45,586 | 889 sq mi (2,302 km2) |
 |
| Indiana County | 063 | Indiana | 1803 | Parts of Lycoming and Westmoreland Counties; it was attached to Westmoreland County until 1806. | Native Americans | 89,605 | 834 sq mi (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 | 45,932 | 657 sq mi (1,702 km2) |
 |
| Juniata County | 067 | Mifflintown | 1831 | Parts of Mifflin County. | Juniata River | 22,821 | 394 sq mi (1,020 km2) |
 |
| Lackawanna County | 069 | Scranton | 1878 | Parts of Luzerne County. | Lackawanna River | 213,295 | 465 sq mi (1,204 km2) |
 |
| Lancaster County | 071 | Lancaster | 1729 | Parts of Chester County. | The English city of Lancaster | 470,658 | 984 sq mi (2,549 km2) |
 |
| Lawrence County | 073 | New Castle | 1849 | Parts of Beaver and Mercer Counties. | The USS Lawrence | 213,295 | 363 sq mi (940 km2) |
 |
| Lebanon County | 075 | Lebanon | 1813 | Parts of Dauphin and Lancaster Counties. | Lebanon Township; Lebanon is a Biblical term meaning White Mountain | 120,327 | 363 sq mi (940 km2) |
 |
| Lehigh County | 077 | Allentown | 1812 | Parts of Northampton County. | Lehigh River | 312,090 | 349 sq mi (904 km2) |
 |
| Luzerne County | 079 | Wilkes-Barre | 1786 | Parts of Northumberland County. | The Chevalier de Luzerne | 319,250 | 907 sq mi (2,349 km2) |
 |
| Lycoming County | 081 | Williamsport | 1795 | Parts of Northumberland County. | Lycoming Creek | 120,044 | 1,244 sq mi (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 | 45,936 | 984 sq mi (2,549 km2) |
 |
| Mercer County | 085 | Mercer | 1800 | Parts of Allegheny County. | Hugh Mercer | 120,293 | 683 sq mi (1,769 km2) |
 |
| Mifflin County | 087 | Lewistown | 1789 | Parts of Cumberland and Northumberland Counties. | Thomas Mifflin | 46,486 | 415 sq mi (1,075 km2) |
 |
| Monroe County | 089 | Stroudsburg | 1836 | Parts of Pike and Northampton Counties. | James Monroe | 138,687 | 617 sq mi (1,598 km2) |
 |
| Montgomery County | 091 | Norristown | 1784 | Parts of Philadelphia County. | Uncertain; possibly either Richard Montgomery or the historic Welsh county of Montgomeryshire | 750,097 | 487 sq mi (1,261 km2) |
 |
| Montour County | 093 | Danville | 1850 | Parts of Columbia County. | Madame Montour | 18,236 | 132 sq mi (342 km2) |
 |
| Northampton County | 095 | Easton | 1752 | Parts of Bucks County. | The English city of Northampton | 267,066 | 377 sq mi (976 km2) |
 |
| Northumberland County | 097 | Sunbury | 1772 | Parts of Lancaster, Berks, Bedford, Cumberland, and Northampton Counties. | The English county of Northumberland | 94,556 | 477 sq mi (1,235 km2) |
 |
| Perry County | 099 | New Bloomfield | 1820 | Parts of Cumberland County. | Oliver Hazard Perry | 43,602 | 556 sq mi (1,440 km2) |
 |
| Philadelphia County | 101 | Philadelphia | 1682 | One of the original counties at the formation of Pennsylvania. The city and county of Philadelphia were combined in 1854 and city and county offices merged in 1952. | "Brotherly love" from Greek philos ("love") and adelphos ("brother") | 1,517,550 | 143 sq mi (370 km2) |
 |
| Pike County | 103 | Milford | 1814 | Parts of Wayne County. | Zebulon Pike | 46,302 | 567 sq mi (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 | 18,080 | 1,081 sq mi (2,800 km2) |
 |
| Schuylkill County | 107 | Pottsville | 1811 | Parts of Berks and Northampton Counties. | Schuylkill River | 150,336 | 778 sq mi (2,015 km2) |
 |
| Snyder County | 109 | Middleburg | 1855 | Parts of Union County. | Simon Snyder | 37,546 | 332 sq mi (860 km2) |
 |
| Somerset County | 111 | Somerset | 1795 | Parts of Bedford County. | The English county of Somerset | 80,023 | 1,081 sq mi (2,800 km2) |
 |
| Sullivan County | 113 | Laporte | 1847 | Parts of Lycoming County; attached to Lycoming until 1848. | John Sullivan | 6,556 | 452 sq mi (1,171 km2) |
 |
| Susquehanna County | 115 | Montrose | 1810 | Parts of Luzerne County ; attached to Luzerne County until 1812. | Susquehanna River | 42,238 | 832 sq mi (2,155 km2) |
 |
| Tioga County | 117 | Wellsboro | 1804 | Parts of Lycoming County; attached to Lycoming until 1812. | Tioga River | 41,373 | 1,137 sq mi (2,945 km2) |
 |
| Union County | 119 | Lewisburg | 1813 | Parts of Northumberland County. | The Federal union of the United States | 41,624 | 317 sq mi (821 km2) |
 |
| Venango County | 121 | Franklin | 1800 | Parts of Allegheny and Lycoming Counties; attached to until 1805. | A corruption of the Native word "onenge", meaning "otter" | 57,565 | 683 sq mi (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. | General Joseph Warren | 43,863 | 898 sq mi (2,326 km2) |
 |
| Washington County | 125 | Washington | 1781 | Parts of Westmoreland County. | George Washington | 202,897 | 861 sq mi (2,230 km2) |
 |
| Wayne County | 127 | Honesdale | 1798 | Parts of Northampton County. | Anthony Wayne | 47,722 | 751 sq mi (1,945 km2) |
 |
| Westmoreland County | 129 | Greensburg | 1773 | Parts of Bedford County. | Possibly the historic English county of Westmorland | 369,993 | 1,036 sq mi (2,683 km2) |
 |
| Wyoming County | 131 | Tunkhannock | 1842 | Parts of Luzerne County. | The Delaware word xwé:wamənk, meaning "at the big river flat" | 28,080 | 405 sq mi (1,049 km2) |
 |
| York County | 133 | York | 1749 | Parts of Lancaster County. | The English city of York | 381,751 | 910 sq mi (2,357 km2) |
 |
See also
Pennsylvania counties by per capita income arranged in order from richest to poorest
References
- ^ "EPA County FIPS Code Listing". EPA.gov. http://www.epa.gov/enviro/html/codes/pa.html. Retrieved 2008-02-23.
- ^ a b c d National Association of Counties. "NACo - Find a county". http://www.naco.org/Template.cfm?Section=Find_a_County&Template=/cffiles/counties/state.cfm&state.cfm&statecode=PA. Retrieved 2008-04-30.
- ^ "Pennsylvania Counties". Pennsylvania State Archives. http://www.phmc.state.pa.us/bah/dam/counties/county.asp?secid=31. Retrieved September 14, 2009.
|
|||||
This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)
