Pennsylvania County Formation years | ||||||||||||||
1673 | 1674 | 1678 | 1680 | 1681 | 1682 | 1687 | 1704 | 1729 | 1749 | 1750 | 1751 | 1752 | 1771 | 1772 |
1773 | 1774 | 1775 | 1776 | 1779 | 1781 | 1782 | 1783 | 1784 | 1785 | 1786 | 1787 | 1788 | 1789 | 1792 |
1795 | 1796 | 1798 | 1800 | 1802 | 1803 | 1804 | 1805 | 1806 | 1807 | 1808 | 1810 | 1811 | 1812 | 1813 |
1814 | 1815 | 1816 | 1818 | 1819 | 1820 | 1821 | 1822 | 1823 | 1826 | 1830 | 1831 | 1834 | 1835 | 1836 |
1839 | 1840 | 1843 | 1845 | 1846 | 1847 | 1848 | 1849 | 1850 | 1853 | 1854 | 1855 | 1857 | 1860 | 1861 |
1865 | 1866 | 1867 | 1868 | 1870 | 1878 | |||||||||
Pennsylvania Census Year with Modern Map overlayed: | ||||||||||||||
1790 | 1800 | 1810 | 1820 | 1830 | 1840 | 1850 | 1860 | 1870 | 1880-1930 |
Pennsylvania Map Abbreviations | ||||
---|---|---|---|---|
unorg. = unorganized g. = gained w. = with fr. = from atmt. = attachment exch = exchanged nca.= non county area ch. = changed Ad - Adams Al - Allegheny Ar - Armstrong Bea - Beaver Bed - Bedford Ber - Berks Bl - Blair |
Br - Bradford Buc - Bucks But - Butler Car - Carbon Cbr - Cambria Cen - Centre Ch - Chester Cla - Clarion Cle - Clearfield Cli - Clinton Co - Columbia Cr - Crawford Crn - Cameron Cu - Cumberland Da - Dauphin |
De - Delaware Elk - Elk Er - Erie Fa - Fayette Fo - Forest Fr - Franklin Fu - Fulton Gr - Greene Hu - Huntingdon In - Indiana Je - Jefferson Ju - Juniata Lac - Lackawanna Lan - Lancaster Law - Lawrence |
Leb - Lebanon Leh - Lehigh Lu - Luzerne Ly - Lycoming McK - McKean Me - Mercer Mi - Mifflin Mro - Monroe Mtr - Montour Mty - Montgomery Nhn - Northampton Nud - Northumberland Pe - Perry Ph - Philadelphia Pi - Pike |
Po - Potter Sc - Schuylkill Sn - Snyder So - Somerset Sul - Sullivan Sus - Susquehanna Ti - Tioga Un - Union Ve - Venango War - Warren Was - Washington Way - Wayne We - Westmoreland Wy - Wyoming Yor - York |