RANKING · 2025 ESTIMATES · 62 SHOWN OF 62

Fastest growing, New York counties

New York counties ranked by population growth from the 2020 census to 2025. This list covers the 62 counties in New York that qualify, ranked against each other statewide. The median across all 62 is -1.3%. Biggest climber in the top 100 since 2020: Otsego County, NY, up 53 places to #3.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01▲1Rockland County, NYNY357,397+5.6%−2.4 pts

02▲2Orange County, NYNY417,669+4.1%−6.9 pts

03▲53Otsego County, NYNY60,589+3.5%+1.6 pts

04▲13Schenectady County, NYNY162,581+2.9%+4.7 pts

05▲15Sullivan County, NYNY80,586+2.5%−4.3 pts

06▼1Saratoga County, NYNY241,343+2.5%−8.2 pts

07▲8Albany County, NYNY321,225+2.0%+1.4 pts

08▲17Dutchess County, NYNY300,708+1.6%−6.4 pts

09▲53Schoharie County, NYNY30,176+1.6%+2.4 pts

10▲21Putnam County, NYNY99,028+1.4%−12.7 pts

11▲5Suffolk County, NYNY1,546,090+1.3%−6.1 pts

12▼4Westchester County, NYNY1,015,743+1.1%−4.4 pts

13▼4Richmond County, NYNY501,290+1.1%−16.0 pts

14▲14Montgomery County, NYNY50,046+1.0%+5.4 pts

15▲26Oswego County, NYNY118,569+0.9%+0.4 pts

16▲8Ulster County, NYNY183,330+0.8%−6.7 pts

17▲31Allegany County, NYNY46,800+0.7%+1.8 pts

18▼6Ontario County, NYNY113,130+0.6%−4.8 pts

19▼8Nassau County, NYNY1,398,939+0.2%−3.4 pts

20▲18Genesee County, NYNY58,416+0.0%−0.5 pts

21▲39Delaware County, NYNY44,305-0.0%−1.8 pts

22▲14Wayne County, NYNY91,250-0.0%−5.2 pts

23▼2Rensselaer County, NYNY160,510-0.4%+0.8 pts

24▲6Lewis County, NYNY26,479-0.4%−0.9 pts

25▲28Livingston County, NYNY61,438-0.6%−3.8 pts

26▼12Erie County, NYNY946,741-0.8%+1.1 pts

27▲5Yates County, NYNY24,547-0.9%−8.9 pts

28▼5Warren County, NYNY65,020-1.1%−8.0 pts

29▼10Monroe County, NYNY750,506-1.2%−4.2 pts

30▲25Orleans County, NYNY39,825-1.3%−6.8 pts

31▲28Madison County, NYNY67,120-1.3%−1.8 pts

32▲3Greene County, NYNY47,238-1.4%−9.2 pts

33▼7Broome County, NYNY195,736-1.5%+4.0 pts

34▲24Herkimer County, NYNY59,219-1.5%+0.6 pts

35▼22Tompkins County, NYNY104,047-1.6%−4.2 pts

36▼30New York County, NYNY1,664,862-1.7%−5.1 pts

37▼8Niagara County, NYNY208,912-1.8%−1.4 pts

38▲16Steuben County, NYNY91,855-1.8%−1.5 pts

39▲3Wyoming County, NYNY39,741-1.9%−4.1 pts

40▼37Queens County, NYNY2,358,182-2.0%−16.2 pts

41▼31Hamilton County, NYNY5,006-2.0%−3.9 pts

42▲7Cortland County, NYNY45,850-2.0%−1.3 pts

43▲7Tioga County, NYNY47,453-2.1%−1.0 pts

44▼1Fulton County, NYNY52,216-2.1%−3.7 pts

45▼27Onondaga County, NYNY466,584-2.1%+0.2 pts

46▼9Clinton County, NYNY78,138-2.1%+4.9 pts

47▼2Cattaraugus County, NYNY75,390-2.1%−1.8 pts

48▲13Franklin County, NYNY46,500-2.2%−12.1 pts

49▼16Columbia County, NYNY60,168-2.3%−2.5 pts

50▼4Cayuga County, NYNY74,365-2.5%−2.0 pts

51▼24Oneida County, NYNY226,392-2.5%+3.7 pts

52▼5Essex County, NYNY36,438-2.5%−7.1 pts

53▼9Seneca County, NYNY32,883-2.8%−1.7 pts

54▼2Chautauqua County, NYNY124,126-2.8%−1.3 pts

55▼15St. Lawrence County, NYNY105,488-2.8%−2.7 pts

56▼55Kings County, NYNY2,653,963-3.0%−10.2 pts

57▼18Washington County, NYNY59,353-3.2%−6.1 pts

58▼1Chenango County, NYNY45,715-3.2%−2.5 pts

59▼8Chemung County, NYNY80,415-4.4%−0.1 pts

60▼38Jefferson County, NYNY111,540-4.4%−5.2 pts

61▼54Bronx County, NYNY1,406,332-4.5%−15.2 pts

62▼28Schuyler County, NYNY16,924-5.4%−8.5 pts

SHOWING 1–62 OF 62

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES