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List of New York Counties and County Seats





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The U.S. state of New York is divided into 62 counties. Explore list of California Counties and their County Seats in alphabetical order populations, areas and the date of formation.

List of New York Counties and County Seat

S.NCountyCounty SeatPopulation(2011)Area Formed
1Albany CountyAlbany304,204533 sq mi1683
2Allegany CountyBelmont48,9461,034 sq mi1806
3Bronx Countynone1,385,10857.43 sq mi1914
4Broome CountyBinghamton200,600715 sq mi1806
5Cattaraugus CountyLittle Valley80,3171,310 sq mi1808
6Cayuga CountyAuburn80,026864 sq mi1799
7Chautauqua CountyMayville134,9051,500 sq mi1808
8Chemung CountyElmira88,830410.81 sq mi1836
9Chenango CountyNorwich50,477898.85 sq mi1798
10Clinton CountyPlattsburgh82,1281,118 sq mi1788
11Columbia CountyHudson63,096648 sq mi1786
12Cortland CountyCortland49,336502 sq mi1808
13Delaware CountyDelhi47,9801,468 sq mi1797
14Dutchess CountyPoughkeepsie297,488825 sq mi1683
15Erie CountyBuffalo919,0401,227 sq mi1821
16Essex CountyElizabethtown39,3701,916 sq mi1799
17Franklin CountyMalone51,5991,697 sq mi1808
18Fulton CountyJohnstown55,531533 sq mi1838
19Genesee CountyBatavia60,079495 sq mi1802
20Greene CountyCatskill49,221658 sq mi1800
21Hamilton CountyLake Pleasant4,8361,808 sq mi1816
22Herkimer CountyHerkimer64,5191,458 sq mi1791
23Jefferson CountyWatertown116,2291,857 sq mi1805
24Kings Countynone2,504,70096.9 sq mi1683
25Lewis CountyLowville27,0871,290 sq mi1805
26Livingston CountyGeneseo65,393640 sq mi1821
27Madison CountyWampsville73,442662 sq mi1806
28Monroe CountyRochester744,3441,366 sq mi1821
29Montgomery CountyFonda50,219410 sq mi1772
30Nassau CountyMineola1,339,532453 sq mi1899
31New York Countynone1,585,87333.77 sq mi1683
32Niagara CountyLockport216,4691,140 sq mi1808
33Oneida CountyUtica234,8781,213 sq mi1798
34Onondaga CountySyracuse467,026806 sq mi1792
35Ontario CountyCanandaigua107,931662 sq mi1789
36Orange CountyGoshen372,813839 sq mi1683
37Orleans CountyAlbion42,883817 sq mi1824
38Oswego CountyOswego122,1091,312 sq mi1816
39Otsego CountyCooperstown62,2591,003 sq mi1791
40Putnam CountyCarmel99,710246 sq mi1812
41Queens Countynone2,230,722178.28 sq mi1683
42Rensselaer CountyTroy159,429665 sq mi1791
43Richmond Countynone468,730102.5 sq mi1683
44Rockland CountyNew City311,687199 sq mi1798
45Saratoga CountyBallston Spa219,607844 sq mi1791
46Schenectady CountySchenectady154,727210 sq mi1809
47Schoharie CountySchoharie32,749626 sq mi1795
48Schuyler CountyWatkins Glen18,343342 sq mi1854
49Seneca CountyWaterloo35,251325 sq mi1804
50St. Lawrence CountyCanton111,9442,821 sq mi1802
51Steuben CountyBath98,9901,404 sq mi1796
52Suffolk CountyRiverhead1,493,3502,373 sq mi1683
53Sullivan CountyMonticello77,547997 sq mi1809
54Tioga CountyOwego51,125523 sq mi1791
55Tompkins CountyIthaca101,564476 sq mi1817
56Ulster CountyKingston182,4931,161 sq mi1683
57Warren CountyQueensbury65,707870 sq mi1813
58Washington CountyFort Edward63,216846 sq mi1772
59Wayne CountyLyons93,7721,384 sq mi1823
60Westchester CountyWhite Plains949,113500 sq mi1683
61Wyoming CountyWarsaw42,155596 sq mi1841
62Yates CountyPenn Yan25,348376 sq mi1823