| New York County Formation years | ||||||||||||||
| 1683 | 1686 | 1692 | 1698 | 1701 | 1709 | 1713 | 1717 | 1764 | 1766 | 1767 | 1768 | 1770 | 1772 | 1773 |
| 1774 | 1775 | 1777 | 1781 | 1782 | 1783 | 1784 | 1786 | 1788 | 1789 | 1790 | 1791 | 1794 | 1795 | 1796 |
| 1797 | 1798 | 1799 | 1800 | 1801 | 1802 | 1803 | 1804 | 1805 | 1806 | 1808 | 1809 | 1810 | 1811 | 1812 |
| 1813 | 1814 | 1815 | 1816 | 1817 | 1819 | 1821 | 1822 | 1823 | 1824 | 1825 | 1826 | 1828 | 1836 | 1838 |
| 1841 | 1846 | 1847 | 1854 | 1855 | 1857 | 1860 | 1874 | 1895 | 1898 | 1899 | 1912 | 1913 | 1915 | |
| New York County Census Years | ||||||||||||||
| 1790 | 1800 | 1810 | 1820 | 1830 | 1840 | 1850 | 1860-1870 | 1880-1890 | 1900-1910 | 1920-1930 | ||||
| New York Map Abbreviations | ||||
|---|---|---|---|---|
| unorg. = unorganized g. = gained w. = with fr. = from atmt. = attachment exch = exchanged nca.= non county area ch. = changed Alb - Albany All - Allegany Brm - Broome Brx - Bronx Cat - Cattaraugus Cay - Cayuga |
Cl - Clinton Cmg - Chemung Cnn - Chenango Col - Columbia Ctl - Cortland Ctq - Chautauqua De - Delaware Dut - Dutchess Er - Erie Es - Essex Fr - Franklin Fu - Fulton Ge - Genesee Gr - Greene |
Ha - Hamilton He - Herkimer Je - Jefferson Ki - Kings Le - Lewis Li - Livingston Ma - Madison Mro - Monroe Mty - Montgomery Na - Nassau Ni - Niagara NY - New York One - Oneida Ono - Onondaga |
Ont - Ontario Ora - Orange Orl - Orleans Os - Oswego Ot - Otsego Pu - Putnam Qu - Queens Re - Rensselaer Ri - Richmond Ro - Rockland Sa - Saratoga Sen - Seneca Shr - Schoharie SL - St. Lawrence |
St - Steuben Sty - Schenectady Suf - Suffolk Sul - Sullivan Syr - Schuyler Ti - Tioga To - Tompkins Ul - Ulster War - Warren Was - Washington Way - Wayne Wes - Westchester Wy - Wyoming Ya - Yates |