RANKING · 2010 CENSUS · 62 SHOWN OF 62

Largest by population, New York counties · 2010

The most populous us counties as of the 2023 estimates. This list covers the 62 counties in New York that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDFastest growing Fastest shrinking Most densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPTOTAL POPULATIONVS 2000

01Kings County, NYNY2,653,9632,504,700+2%

02Queens County, NYNY2,358,1822,230,722+0%

03New York County, NYNY1,664,8621,585,873+3%

04Suffolk County, NYNY1,546,0901,493,350+5%

05Bronx County, NYNY1,406,3321,385,108+4%

06Nassau County, NYNY1,398,9391,339,532+0%

07Westchester County, NYNY1,015,743949,113+3%

08Erie County, NYNY946,741919,040−3%

09Monroe County, NYNY750,506744,344+1%

10Richmond County, NYNY501,290468,730+6%

11Onondaga County, NYNY466,584467,026+2%

12Orange County, NYNY417,669372,813+9%

13Rockland County, NYNY357,397311,687+9%

14Albany County, NYNY321,225304,204+3%

15Dutchess County, NYNY300,708297,488+6%

16Oneida County, NYNY226,392234,878−0%

17Saratoga County, NYNY241,343219,607+9%

18Niagara County, NYNY208,912216,469−2%

19Broome County, NYNY195,736200,600+0%

20Ulster County, NYNY183,330182,493+3%

21Rensselaer County, NYNY160,510159,429+5%

22Schenectady County, NYNY162,581154,727+6%

23Chautauqua County, NYNY124,126134,905−3%

24Oswego County, NYNY118,569122,109−0%

25Jefferson County, NYNY111,540116,229+4%

26St. Lawrence County, NYNY105,488111,944+0%

27Ontario County, NYNY113,130107,931+8%

28Tompkins County, NYNY104,047101,564+5%

29Putnam County, NYNY99,02899,710+4%

30Steuben County, NYNY91,85598,990+0%

31Wayne County, NYNY91,25093,772+0%

32Chemung County, NYNY80,41588,830−2%

33Clinton County, NYNY78,13882,128+3%

34Cattaraugus County, NYNY75,39080,317−4%

35Cayuga County, NYNY74,36580,026−2%

36Sullivan County, NYNY80,58677,547+5%

37Madison County, NYNY67,12073,442+6%

38Warren County, NYNY65,02065,707+4%

39Livingston County, NYNY61,43865,393+2%

40Herkimer County, NYNY59,21964,519+0%

41Washington County, NYNY59,35363,216+4%

42Columbia County, NYNY60,16863,096+0%

43Otsego County, NYNY60,58962,259+1%

44Genesee County, NYNY58,41660,079−0%

45Fulton County, NYNY52,21655,531+1%

46Franklin County, NYNY46,50051,599+1%

47Tioga County, NYNY47,45351,125−1%

48Chenango County, NYNY45,71550,477−2%

49Montgomery County, NYNY50,04650,219+1%

50Cortland County, NYNY45,85049,336+2%

51Greene County, NYNY47,23849,221+2%

52Allegany County, NYNY46,80048,946−2%

53Delaware County, NYNY44,30547,980−0%

54Orleans County, NYNY39,82542,883−3%

55Wyoming County, NYNY39,74142,155−3%

56Essex County, NYNY36,43839,370+1%

57Seneca County, NYNY32,88335,251+6%

58Schoharie County, NYNY30,17632,749+4%

59Lewis County, NYNY26,47927,087+1%

60Yates County, NYNY24,54725,348+3%

61Schuyler County, NYNY16,92418,343−5%

62Hamilton County, NYNY5,0064,836−10%

SHOWING 1–62 OF 62

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES