RANKING · 2010 CENSUS · 62 SHOWN OF 62

Fastest growing, New York counties · 2010

New York counties ranked by population growth from the 2000 census to 2010. 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

RELATEDLargest by population Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Saratoga County, NYNY241,343+9.5%−1.2 pts

02Orange County, NYNY417,669+9.2%−1.7 pts

03Rockland County, NYNY357,397+8.7%+0.7 pts

04Ontario County, NYNY113,130+7.7%+2.3 pts

05Dutchess County, NYNY300,708+6.2%−1.8 pts

06Madison County, NYNY67,120+5.8%+5.3 pts

07Seneca County, NYNY32,883+5.7%+6.7 pts

08Richmond County, NYNY501,290+5.6%−11.5 pts

09Schenectady County, NYNY162,581+5.6%+7.4 pts

10Tompkins County, NYNY104,047+5.2%+2.7 pts

11Suffolk County, NYNY1,546,090+5.2%−2.2 pts

12Sullivan County, NYNY80,586+4.8%−1.9 pts

13Rensselaer County, NYNY160,510+4.5%+5.7 pts

14Putnam County, NYNY99,028+4.1%−9.9 pts

15Jefferson County, NYNY111,540+4.0%+3.3 pts

16Bronx County, NYNY1,406,332+3.9%−6.8 pts

17Warren County, NYNY65,020+3.8%−3.1 pts

18Schoharie County, NYNY30,176+3.7%+4.6 pts

19Washington County, NYNY59,353+3.6%+0.7 pts

20Albany County, NYNY321,225+3.3%+2.6 pts

21New York County, NYNY1,664,862+3.2%−0.2 pts

22Yates County, NYNY24,547+3.0%−5.0 pts

23Clinton County, NYNY78,138+2.8%+9.9 pts

24Westchester County, NYNY1,015,743+2.8%−2.8 pts

25Ulster County, NYNY183,330+2.7%−4.9 pts

26Greene County, NYNY47,238+2.1%−5.6 pts

27Onondaga County, NYNY466,584+1.9%+4.2 pts

28Livingston County, NYNY61,438+1.7%−1.5 pts

29Kings County, NYNY2,653,963+1.6%−5.6 pts

30Cortland County, NYNY45,850+1.5%+2.3 pts

31Essex County, NYNY36,438+1.3%−3.2 pts

32Monroe County, NYNY750,506+1.2%−1.8 pts

33Montgomery County, NYNY50,046+1.0%+5.4 pts

34Otsego County, NYNY60,589+0.9%−1.0 pts

35Franklin County, NYNY46,500+0.9%−9.0 pts

36Fulton County, NYNY52,216+0.8%−0.8 pts

37Lewis County, NYNY26,479+0.5%−0.0 pts

38Nassau County, NYNY1,398,939+0.4%−3.3 pts

39Steuben County, NYNY91,855+0.3%+0.6 pts

40Herkimer County, NYNY59,219+0.1%+2.2 pts

41Queens County, NYNY2,358,182+0.1%−14.2 pts

42Broome County, NYNY195,736+0.0%+5.5 pts

43St. Lawrence County, NYNY105,488+0.0%+0.1 pts

44Wayne County, NYNY91,250+0.0%−5.2 pts

45Columbia County, NYNY60,168+0.0%−0.2 pts

46Delaware County, NYNY44,305-0.2%−1.9 pts

47Oswego County, NYNY118,569-0.2%−0.7 pts

48Oneida County, NYNY226,392-0.3%+5.9 pts

49Genesee County, NYNY58,416-0.5%−1.0 pts

50Tioga County, NYNY47,453-1.3%−0.2 pts

51Niagara County, NYNY208,912-1.5%−1.1 pts

52Chenango County, NYNY45,715-1.8%−1.1 pts

53Allegany County, NYNY46,800-2.0%−0.9 pts

54Cayuga County, NYNY74,365-2.4%−1.9 pts

55Chemung County, NYNY80,415-2.5%+1.9 pts

56Orleans County, NYNY39,825-2.9%−8.5 pts

57Wyoming County, NYNY39,741-2.9%−5.1 pts

58Erie County, NYNY946,741-3.3%−1.4 pts

59Chautauqua County, NYNY124,126-3.5%−2.0 pts

60Cattaraugus County, NYNY75,390-4.3%−4.0 pts

61Schuyler County, NYNY16,924-4.6%−7.6 pts

62Hamilton County, NYNY5,006-10.1%−12.0 pts

SHOWING 1–62 OF 62

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS