County |
Created
in |
Created
from |
County
Seat |
Adams |
1800 |
York |
Gettysburg |
Allegheny |
1786 |
Washington
Westmoreland |
Pittsburgh |
Armstrong |
1800 |
Allegheny
Lycoming
Westmoreland |
Kittanning |
Beaver |
1800 |
Allegheny
Washington |
Beaver |
Bedford |
1771 |
Cumberland |
Bedford |
Berks |
1752 |
Chester
Lancaster
Philadelphia |
Reading |
Blair |
1846 |
Bedford
Huntingdon |
Hollidaysburg |
Bradford |
1810 |
Luzerne
Lycoming |
Towanda |
Bucks |
1682 |
Original
County |
Doylestown |
Butler |
1800 |
Allegheny |
Butler |
Cambria |
1804 |
Bedford
Huntingdon
Somerset |
Ebensburg |
Cameron |
1860 |
Clinton
Elk
McKean
Potter |
Emporium |
Carbon |
1843 |
Monroe
Northampton |
Jim
Thorpe |
Centre |
1800 |
Huntingdon
Lycoming
Mifflin
Northumberland |
Bellefonte |
Chester |
1682 |
Original
County |
West
Chester |
Clarion |
1839 |
Armstrong
Venango |
Clarion |
Clearfield |
1804 |
Huntingdon
Lycoming |
Clearfield |
Clinton |
1839 |
Centre
Lycoming |
Lock
Haven |
Columbia |
1813 |
Northumberland |
Bloomsburg |
Crawford |
1800 |
Allegheny |
Meadville |
Cumberland |
1750 |
Lancaster |
Carlisle |
Dauphin |
1785 |
Lancaster |
Harrisburg |
Delaware |
1789 |
Chester |
Media |
Elk |
1843 |
Clearfield
Jefferson
McKean |
Ridgeway |
Erie |
1800 |
Allegheny
Crawford |
Erie |
Fayette |
1783 |
Westmoreland |
Uniontown |
Forest |
1848 |
Jefferson
Venango |
Tionesta |
Franklin |
1784 |
Cumberland |
Chambersburg |
Fulton |
1850 |
Bedford |
McConnellsburg |
Greene |
1796 |
Washington |
Waynesburg |
Huntingdon |
1787 |
Bedford |
Huntingdon |
Indiana |
1803 |
Lycoming
Westmoreland |
Indiana |
Jefferson |
1804 |
Lycoming |
Brookville |
Juniata |
1831 |
Mifflin |
Mifflintown |
Lackawanna |
1878 |
Luzerne |
Scranton |
Lancaster |
1729 |
Chester |
Lancaster |
Lawrence |
1849 |
Beaver
Mercer |
New
Castle |
Lebanon |
1813 |
Dauphin
Lancaster |
Lebanon |
Lehigh |
1812 |
Northampton |
Allentown
Lehigh County Courthouse
455 Hamilton St
Allentown, PA 18102
Lehigh County Historical
Society
501 Hamilton St.
Allentown, PA 18102
610-435-1074 |
Luzerne |
1786 |
Northumberland |
Wilkes-Barre |
Lycoming |
1795 |
Northumberland |
Williamsport |
McKean |
1804 |
Lycoming |
Smethport |
Mercer |
1800 |
Allegheny
Crawford |
Mercer |
Mifflin |
1789 |
Cumberland
Northumberland |
Lewistown |
Monroe |
1836 |
Northampton
Pike |
Stroudsburg |
Montgomery |
1784 |
Philadelphia |
Norristown |
Montour |
1850 |
Columbia |
Danville |
Northampton |
1752 |
Bucks |
Easton
Northampton County
Courthouse
7th & Washington Sts.
Easton, PA 18042
610-559-3000
Northampton County
Historical & Genealogical Society
101 S. 4th St
Easton, PA 18042
610-253-1222 |
Northumberland |
1772 |
Bedford
Berks
Cumberland
Lancaster
Northampton |
Sunbury |
Perry |
1820 |
Cumberland |
New
Bloomfield |
Philadelphia |
1682 |
Original
County |
Philadelphia |
Pike |
1814 |
Wayne |
Milford |
Potter |
1804 |
Lycoming |
Coudersport |
Schuylkill |
1811 |
Berks
Northampton |
Pottsville |
Snyder |
1855 |
Union |
Middleburg |
Somerset |
1795 |
Bedford |
Somerset |
Sullivan |
1847 |
Lycoming |
Laporte |
Susquehanna |
1810 |
Luzerne |
Montrose |
Tioga |
1804 |
Lycoming |
Wellsboro |
Union |
1813 |
Northumberland |
Lewisburg |
Venango |
1800 |
Allegheny
Crawford
Lycoming |
Franklin |
Warren |
1800 |
Allegheny
Crawford
Lycoming
Venango |
Warren |
Washington |
1781 |
Westmoreland |
Washington |
Wayne |
1798 |
Northampton |
Honesdale |
Westmoreland |
1773 |
Bedford |
Greensburg |
Wyoming |
1842 |
Luzerne |
Tunkhannock |
York |
1749 |
Lancaster |
York |