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County Courthouses
County County Seat Zip Code Date Created Parent County
Adams Gettysburg 17325 22 Jan 1800 York
Allegheny Pittsburgh 15219 24 Sept 1788 Westmoreland, Washington
Armstrong Kittanning 16201 12 Mar 1800 Allegheny, Lycoming, Westmoreland
Beaver Beaver 15009 12 Mar 1800 Allegheny, Washington
Bedford Bedford 15522 09 Mar 1771 Cumberland
Berks Reading 19601 11 Mar 1752 Lancaster, Chester, Philadelphia
Blair Hollidaysburg 16648 26 Feb 1846 Huntingdon, Bedford
Bradford Towanda 18848 21 Feb 1810 Luzerne, Lycoming
Bucks Doylestown 18901 -- Nov 1682 Original County
Butler Butler 16001 12 Mar 1800 Allegheny
Cambria Ebensburg 15931 26 Mar 1804 Huntingdon, Somerset, Bedford
Cameron Emporium 15834 29 Mar 1860 Clinton, McKean, Elk, Potter
Carbon Jim Thorpe 18229 13 Mar 1843 Northampton, Monroe
Centre Bellefonte 16823 13 Feb 1800 Huntingdon, Lycoming, Mifflin, Northumberland
Chester West Chester 19380 -- Nov 1682 Original County
Clarion Clarion 16214 11 Mar 1839 Venango, Armstrong
Clearfield Clearfield 16830 26 Mar 1804 Huntingdon, Lycoming
Clinton Lock Haven 17745 21 Jun 1839 Centre, Lycoming
Columbia Bloomsburg 17815 22 Mar 1813 Northumberland
Crawford Meadville 16335 12 Mar 1800 Allegheny
Cumberland Carlisle 17013 27 Jan 1750 Lancaster
Dauphin Harrisburg 17101 04 Mar 1785 Lancaster
Delaware Media 19063 26 Sep 1789 Chester
Elk Ridgway 15853 18 Apr 1843 Jefferson, McKean, Clearfield
Erie Erie 16501 12 Mar 1800 Allegheny
Fayette Uniontown 15401 26 Sep 1783 Westmoreland
Forest Tionesta 16353 11 Apr 1848
31 Oct 1866
Jefferson
Venango
Franklin Chambersburg 17201 09 Sep 1784 Cumberland
Fulton McConnellsburg 17233 19 Apr 1850 Bedford
Greene Waynesburg 15370 09 Feb 1796 Washington
Huntingdon Huntingdon 16652 20 Sep 1787 Bedford
Indiana Indiana 15701 30 Mar 1803 Westmoreland, Lycoming
Jefferson Brookville 15825 26 Mar 1804 Lycoming
Juniata Mifflintown 17059 02 Mar 1831 Mifflin
Lackawanna Scranton 18503 13 Aug 1878 Luzerne
Lancaster Lancaster 17608 10 May 1729 Chester
Lawrence New Castle 16101 20 Mar 1849 Beaver, Mercer
Lebanon Lebanon 17042 16 Feb 1813 Dauphin, Lancaster
Lehigh Allentown 18101 06 Mar 1812 Northampton
Luzerne Wilkes-Barre 18702 25 Sept 1786 Northumberland
Lycoming Williamsport 17701 13 Apr 1795 Northumberland
McKean Smethport 16749 26 Mar 1804 Lycoming
Mercer Mercer 16137 12 Mar 1800 Allegheny
Mifflin Lewistown 17044 19 Sep 1789 Cumberland, Northumberland
Monroe Stroudsburg 18360 01 Apr 1836 Northampton, Pike
Montgomery Norristown 19404 10 Sept 1784 Philadelphia
Montour Danville 17821 03 May 1850 Columbia
Northampton Easton 18042 11 Mar 1752 Bucks
Northumberland Sunbury 17801 21 Mar 1772 Cumberland, Northampton, Lancaster, Berks, Bedford
Ontario Renamed Bradford County 24 March 1812 21 Feb 1810 Luzerne, Lycoming
Perry New Bloomfield 17068 22 Mar 1820 Cumberland
Philadelphia Philadelphia 19107 -- Nov 1682 Original County
Pike Milford 18337 26 Mar 1814 Wayne
Potter Coudersport 16915 26 Mar 1804 Lycoming
Schuylkill Pottsville 17901 01 Mar 1811 Berks, Northampton
Schuylkill Pottsville 17901 03 Mar 1818 Columbia, Luzerne
Snyder Middleburg 17842 02 Mar 1855 Union
Somerset Somerset 15501 17 Apr 1795 Bedford
Sullivan LaPorte 18526 15 Mar 1847 Lycoming
Susquehanna Montrose 18801 21 Feb 1810 Luzerne
Tioga Wellsboro 16091 26 Mar 1804 Lycoming
Union Lewisburg 17837 22 Mar 1813 Northumberland
Venango Franklin 16323 12 Mar 1800 Allegheny, Lycoming
Warren Warren 16365 12 Mar 1800 Allegheny, Lycoming
Washington Washington 15301 28 Mar 1781 Westmoreland
Wayne Honesdale 18431 21 Mar 1798 Northampton
Westmoreland Greensburg 15601 26 Feb 1773 Bedford
Wyoming Tunkhannock 18657 04 Apr 1842 Luzerne
York York 17401 19 Aug 1749 Lancaster