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.

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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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

SHOWING 1–62 OF 62

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU POPULATION ESTIMATES