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List of counties in Pennsylvania
From Wikipedia, the free encyclopedia
(Redirected from List of Pennsylvania counties)
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.
| County |
FIPS Code[1] | County Seat |
Created |
Origin |
Etymology |
Population |
Area |
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) |
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| Beaver County | 007 | Beaver | 1800 | Parts of Allegheny and Washington Counties. | 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. | 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. | 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 county of Cheshire | 433,501 | 760 sq mi (1,968 km²) |
 |
| Clarion County | 031 | Clarion | 1839 | Parts of Venango and Armstrong Counties. | 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. | The 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 | 1,558 sq mi (4,035 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. | 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. | 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. | 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. | The Juniata River | 22,821 | 394 sq mi (1,020 km²) |
 |
| Lackawanna County | 069 | Scranton | 1878 | Parts of Luzerne County. | The 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. | 120,327 | 363 sq mi (940 km²) |
 |
|
| Lehigh County | 077 | Allentown | 1812 | Parts of Northampton County. | The 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. | Michael 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) |
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| 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) |
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| Montgomery County | 091 | Norristown | 1784 | Parts of Philadelphia County. | Uncertain; possibly either Richard Montgomery or the 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. | The Schuylkill River | 150,336 | 778 sq mi (2,015 km²) |
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| 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. | The Susquehanna River | 42,238 | 832 sq mi (2,155 km²) |
 |
| Tioga County | 117 | Wellsboro | 1804 | Parts of Lycoming County; attached to Lycoming until 1812. | The 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 "onange", 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 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) |
 |
Pennsylvania counties by per capita income arranged in order from richest to poorest
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(parishes in Louisiana; boroughs and census areas in Alaska) |
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- ^ EPA County FIPS Code Listing. EPA. Retrieved on 2007-04-09.