List of New York Counties and County Seats

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

S.N	County	County Seat	Population(2011)	Area	Formed
1	Albany County	Albany	304,204	533 sq mi	1683
2	Allegany County	Belmont	48,946	1,034 sq mi	1806
3	Bronx County	none	1,385,108	57.43 sq mi	1914
4	Broome County	Binghamton	200,600	715 sq mi	1806
5	Cattaraugus County	Little Valley	80,317	1,310 sq mi	1808
6	Cayuga County	Auburn	80,026	864 sq mi	1799
7	Chautauqua County	Mayville	134,905	1,500 sq mi	1808
8	Chemung County	Elmira	88,830	410.81 sq mi	1836
9	Chenango County	Norwich	50,477	898.85 sq mi	1798
10	Clinton County	Plattsburgh	82,128	1,118 sq mi	1788
11	Columbia County	Hudson	63,096	648 sq mi	1786
12	Cortland County	Cortland	49,336	502 sq mi	1808
13	Delaware County	Delhi	47,980	1,468 sq mi	1797
14	Dutchess County	Poughkeepsie	297,488	825 sq mi	1683
15	Erie County	Buffalo	919,040	1,227 sq mi	1821
16	Essex County	Elizabethtown	39,370	1,916 sq mi	1799
17	Franklin County	Malone	51,599	1,697 sq mi	1808
18	Fulton County	Johnstown	55,531	533 sq mi	1838
19	Genesee County	Batavia	60,079	495 sq mi	1802
20	Greene County	Catskill	49,221	658 sq mi	1800
21	Hamilton County	Lake Pleasant	4,836	1,808 sq mi	1816
22	Herkimer County	Herkimer	64,519	1,458 sq mi	1791
23	Jefferson County	Watertown	116,229	1,857 sq mi	1805
24	Kings County	none	2,504,700	96.9 sq mi	1683
25	Lewis County	Lowville	27,087	1,290 sq mi	1805
26	Livingston County	Geneseo	65,393	640 sq mi	1821
27	Madison County	Wampsville	73,442	662 sq mi	1806
28	Monroe County	Rochester	744,344	1,366 sq mi	1821
29	Montgomery County	Fonda	50,219	410 sq mi	1772
30	Nassau County	Mineola	1,339,532	453 sq mi	1899
31	New York County	none	1,585,873	33.77 sq mi	1683
32	Niagara County	Lockport	216,469	1,140 sq mi	1808
33	Oneida County	Utica	234,878	1,213 sq mi	1798
34	Onondaga County	Syracuse	467,026	806 sq mi	1792
35	Ontario County	Canandaigua	107,931	662 sq mi	1789
36	Orange County	Goshen	372,813	839 sq mi	1683
37	Orleans County	Albion	42,883	817 sq mi	1824
38	Oswego County	Oswego	122,109	1,312 sq mi	1816
39	Otsego County	Cooperstown	62,259	1,003 sq mi	1791
40	Putnam County	Carmel	99,710	246 sq mi	1812
41	Queens County	none	2,230,722	178.28 sq mi	1683
42	Rensselaer County	Troy	159,429	665 sq mi	1791
43	Richmond County	none	468,730	102.5 sq mi	1683
44	Rockland County	New City	311,687	199 sq mi	1798
45	Saratoga County	Ballston Spa	219,607	844 sq mi	1791
46	Schenectady County	Schenectady	154,727	210 sq mi	1809
47	Schoharie County	Schoharie	32,749	626 sq mi	1795
48	Schuyler County	Watkins Glen	18,343	342 sq mi	1854
49	Seneca County	Waterloo	35,251	325 sq mi	1804
50	St. Lawrence County	Canton	111,944	2,821 sq mi	1802
51	Steuben County	Bath	98,990	1,404 sq mi	1796
52	Suffolk County	Riverhead	1,493,350	2,373 sq mi	1683
53	Sullivan County	Monticello	77,547	997 sq mi	1809
54	Tioga County	Owego	51,125	523 sq mi	1791
55	Tompkins County	Ithaca	101,564	476 sq mi	1817
56	Ulster County	Kingston	182,493	1,161 sq mi	1683
57	Warren County	Queensbury	65,707	870 sq mi	1813
58	Washington County	Fort Edward	63,216	846 sq mi	1772
59	Wayne County	Lyons	93,772	1,384 sq mi	1823
60	Westchester County	White Plains	949,113	500 sq mi	1683
61	Wyoming County	Warsaw	42,155	596 sq mi	1841
62	Yates County	Penn Yan	25,348	376 sq mi	1823