RANKING · 2025 ESTIMATES · 62 SHOWN OF 62

Fastest shrinking, New York counties

New York counties with the steepest population decline 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: Kings County, NY, up 55 places to #7.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01▲28Schuyler County, NYNY16,924-5.4%−8.5 pts

02▲54Bronx County, NYNY1,406,332-4.5%−15.2 pts

03▲38Jefferson County, NYNY111,540-4.4%−5.2 pts

04▲8Chemung County, NYNY80,415-4.4%−0.1 pts

05▲1Chenango County, NYNY45,715-3.2%−2.5 pts

06▲18Washington County, NYNY59,353-3.2%−6.1 pts

07▲55Kings County, NYNY2,653,963-3.0%−10.2 pts

08▲15St. Lawrence County, NYNY105,488-2.8%−2.7 pts

09▲2Chautauqua County, NYNY124,126-2.8%−1.3 pts

10▲9Seneca County, NYNY32,883-2.8%−1.7 pts

11▲5Essex County, NYNY36,438-2.5%−7.1 pts

12▲24Oneida County, NYNY226,392-2.5%+3.7 pts

13▲4Cayuga County, NYNY74,365-2.5%−2.0 pts

14▲16Columbia County, NYNY60,168-2.3%−2.5 pts

15▼13Franklin County, NYNY46,500-2.2%−12.1 pts

16▲2Cattaraugus County, NYNY75,390-2.1%−1.8 pts

17▲9Clinton County, NYNY78,138-2.1%+4.9 pts

18▲27Onondaga County, NYNY466,584-2.1%+0.2 pts

19▲1Fulton County, NYNY52,216-2.1%−3.7 pts

20▼7Tioga County, NYNY47,453-2.1%−1.0 pts

21▼7Cortland County, NYNY45,850-2.0%−1.3 pts

22▲31Hamilton County, NYNY5,006-2.0%−3.9 pts

23▲37Queens County, NYNY2,358,182-2.0%−16.2 pts

24▼3Wyoming County, NYNY39,741-1.9%−4.1 pts

25▼16Steuben County, NYNY91,855-1.8%−1.5 pts

26▲8Niagara County, NYNY208,912-1.8%−1.4 pts

27▲30New York County, NYNY1,664,862-1.7%−5.1 pts

28▲22Tompkins County, NYNY104,047-1.6%−4.2 pts

29▼24Herkimer County, NYNY59,219-1.5%+0.6 pts

30▲7Broome County, NYNY195,736-1.5%+4.0 pts

31▼3Greene County, NYNY47,238-1.4%−9.2 pts

32▼28Madison County, NYNY67,120-1.3%−1.8 pts

33▼25Orleans County, NYNY39,825-1.3%−6.8 pts

34▲10Monroe County, NYNY750,506-1.2%−4.2 pts

35▲5Warren County, NYNY65,020-1.1%−8.0 pts

36▼5Yates County, NYNY24,547-0.9%−8.9 pts

37▲12Erie County, NYNY946,741-0.8%+1.1 pts

38▼28Livingston County, NYNY61,438-0.6%−3.8 pts

39▼6Lewis County, NYNY26,479-0.4%−0.9 pts

40▲2Rensselaer County, NYNY160,510-0.4%+0.8 pts

41▼14Wayne County, NYNY91,250-0.0%−5.2 pts

42▼39Delaware County, NYNY44,305-0.0%−1.8 pts

43▼18Genesee County, NYNY58,416+0.0%−0.5 pts

44▲8Nassau County, NYNY1,398,939+0.2%−3.4 pts

45▲6Ontario County, NYNY113,130+0.6%−4.8 pts

46▼31Allegany County, NYNY46,800+0.7%+1.8 pts

47▼8Ulster County, NYNY183,330+0.8%−6.7 pts

48▼26Oswego County, NYNY118,569+0.9%+0.4 pts

49▼14Montgomery County, NYNY50,046+1.0%+5.4 pts

50▲4Richmond County, NYNY501,290+1.1%−16.0 pts

51▲4Westchester County, NYNY1,015,743+1.1%−4.4 pts

52▼5Suffolk County, NYNY1,546,090+1.3%−6.1 pts

53▼21Putnam County, NYNY99,028+1.4%−12.7 pts

54▼53Schoharie County, NYNY30,176+1.6%+2.4 pts

55▼17Dutchess County, NYNY300,708+1.6%−6.4 pts

56▼8Albany County, NYNY321,225+2.0%+1.4 pts

57▲1Saratoga County, NYNY241,343+2.5%−8.2 pts

58▼15Sullivan County, NYNY80,586+2.5%−4.3 pts

59▼13Schenectady County, NYNY162,581+2.9%+4.7 pts

60▼53Otsego County, NYNY60,589+3.5%+1.6 pts

61▼2Orange County, NYNY417,669+4.1%−6.9 pts

62▼1Rockland County, NYNY357,397+5.6%−2.4 pts

SHOWING 1–62 OF 62

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