Member
Population
Miles
Size
New YorkNew York has 58 Counties.
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New York Data Sets New York Links |
New York State Association of Counties 540 Broadway, Fifth Floor Albany, NY 12207-0000 Phone: (518)465-1473 Fax: (518)465-0506 http://www.nysac.org/
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| County | NACo Member |
2010 Population |
Square Miles |
County Seat | Board Size |
Founded |
|---|---|---|---|---|---|---|
| Albany | 304,204 | 523 | Albany | 39 | 1683 | |
| Allegany | 48,946 | 1,029 | Belmont | 15 | 1806 | |
| Broome | 200,600 | 706 | Binghamton | 19 | 1806 | |
| Cattaraugus | |
80,317 | 1,308 | Little Valley | 21 | 1808 |
| Cayuga | |
80,026 | 692 | Auburn | 15 | 1799 |
| Chautauqua | 134,905 | 1,060 | Mayville | 25 | 1808 | |
| Chemung | 88,830 | 407 | Elmira | 15 | 1836 | |
| Chenango | 50,477 | 894 | Norwich | 23 | 1798 | |
| Clinton | 82,128 | 1,038 | Plattsburgh | 10 | 1788 | |
| Columbia | 63,096 | 635 | Hudson | 23 | 1786 | |
| Cortland | 49,336 | 499 | Cortland | 19 | 1808 | |
| Delaware | 47,980 | 1,442 | Delhi | 19 | 1797 | |
| Dutchess | |
297,488 | 796 | Poughkeepsie | 25 | 1683 |
| Erie | 919,040 | 1,043 | Buffalo | 11 | 1821 | |
| Essex | |
39,370 | 1,794 | Elizabethtown | 18 | 1799 |
| Franklin | 51,599 | 1,629 | Malone | 7 | 1808 | |
| Fulton | 55,531 | 495 | Johnstown | 20 | 1838 | |
| Genesee | |
60,079 | 493 | Batavia | 9 | 1802 |
| Greene | |
49,221 | 647 | Catskill | 14 | 1800 |
| Hamilton | |
4,836 | 1,717 | Lake Pleasant | 9 | 1816 |
| Herkimer | |
64,519 | 1,411 | Herkimer | 17 | 1791 |
| Jefferson | 116,229 | 1,269 | Watertown | 15 | 1805 | |
| Lewis | 27,087 | 1,275 | Lowville | 10 | 1805 | |
| Livingston | |
65,393 | 632 | Geneseo | 17 | 1821 |
| Madison | |
73,442 | 655 | Wampsville | 19 | 1806 |
| Monroe | |
744,344 | 657 | Rochester | 29 | 1821 |
| Montgomery | 50,219 | 403 | Fonda | 15 | 1772 | |
| Nassau | 1,339,532 | 285 | Mineola | 19 | 1899 | |
| New York City * | 8,175,133 | 23 | New York City | 54 | 1683 | |
| Niagara | 216,469 | 522 | Lockport | 15 | 1808 | |
| Oneida | 234,878 | 1,212 | Utica | 29 | 1798 | |
| Onondaga | 467,026 | 778 | Syracuse | 17 | 1794 | |
| Ontario | 107,931 | 644 | Canandaigua | 21 | 1789 | |
| Orange | |
372,813 | 812 | Goshen | 21 | 1683 |
| Orleans | 42,883 | 391 | Albion | 7 | 1824 | |
| Oswego | 122,109 | 952 | Oswego | 25 | 1816 | |
| Otsego | 62,259 | 1,002 | Cooperstown | 14 | 1791 | |
| Putnam | 99,710 | 230 | Carmel | 9 | 1812 | |
| Rensselaer | |
159,429 | 652 | Troy | 19 | 1791 |
| Rockland | |
311,687 | 174 | New City | 17 | 1798 |
| Saratoga | 219,607 | 810 | Ballston Spa | 23 | 1791 | |
| Schenectady | 154,727 | 205 | Schenectady | 15 | 1809 | |
| Schoharie | 32,749 | 622 | Schoharie | 16 | 1795 | |
| Schuyler | 18,343 | 328 | Watkins Glen | 8 | 1854 | |
| Seneca | |
35,251 | 324 | Waterloo | 14 | 1804 |
| St. Lawrence | 111,944 | 2,680 | Canton | 15 | 1802 | |
| Steuben | |
98,990 | 1,391 | Bath | 16 | 1796 |
| Suffolk | |
1,493,350 | 912 | Riverhead | 19 | 1683 |
| Sullivan | |
77,547 | 968 | Monticello | 9 | 1809 |
| Tioga | 51,125 | 519 | Owego | 9 | 1791 | |
| Tompkins | 101,564 | 475 | Ithaca | 15 | 1817 | |
| Ulster | |
182,493 | 1,124 | Kingston | 23 | 1683 |
| Warren | 65,707 | 867 | Queensbury | 20 | 1813 | |
| Washington | |
63,216 | 831 | Fort Edward | 17 | 1772 |
| Wayne | 93,772 | 604 | Lyons | 15 | 1823 | |
| Westchester | |
949,113 | 431 | White Plains | 17 | 1683 |
| Wyoming | 42,155 | 593 | Warsaw | 16 | 1841 | |
| Yates | 25,348 | 338 | Penn Yan | 14 | 1823 |