RANKING · 2000 CENSUS · 62 SHOWN OF 62

Most population lost, New York counties · 2000

New York counties that lost the most residents from the 1990 census to 2000, by raw count of people rather than percentage. This list covers the 62 counties in New York that qualify, ranked against each other statewide. The median across all 62 is +882.

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SAME RANKING BYCities States Metros

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

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS –

01Erie County, NYNY946,741-18,267–

02Oneida County, NYNY226,392-15,367–

03Broome County, NYNY195,736-11,624–

04Onondaga County, NYNY466,584-10,637–

05Clinton County, NYNY78,138-6,075–

06Chemung County, NYNY80,415-4,125–

07Schenectady County, NYNY162,581-2,730–

08Montgomery County, NYNY50,046-2,273–

09Chautauqua County, NYNY124,126-2,145–

10Rensselaer County, NYNY160,510-1,891–

11Herkimer County, NYNY59,219-1,370–

12Niagara County, NYNY208,912-910–

13Tioga County, NYNY47,453-553–

14Allegany County, NYNY46,800-543–

15Chenango County, NYNY45,715-367–

16Cortland County, NYNY45,850-364–

17Steuben County, NYNY91,855-362–

18Cayuga County, NYNY74,365-350–

19Seneca County, NYNY32,883-341–

20Cattaraugus County, NYNY75,390-279–

21Schoharie County, NYNY30,176-277–

22St. Lawrence County, NYNY105,488-43–

23Hamilton County, NYNY5,006+100–

24Columbia County, NYNY60,168+112–

25Lewis County, NYNY26,479+148–

26Genesee County, NYNY58,416+310–

27Madison County, NYNY67,120+321–

28Schuyler County, NYNY16,924+562–

29Oswego County, NYNY118,569+606–

30Jefferson County, NYNY111,540+795–

31Delaware County, NYNY44,305+830–

32Fulton County, NYNY52,216+882–

33Wyoming County, NYNY39,741+917–

34Otsego County, NYNY60,589+1,159–

35Essex County, NYNY36,438+1,699–

36Washington County, NYNY59,353+1,712–

37Yates County, NYNY24,547+1,811–

38Livingston County, NYNY61,438+1,956–

39Albany County, NYNY321,225+1,971–

40Orleans County, NYNY39,825+2,325–

41Tompkins County, NYNY104,047+2,404–

42Greene County, NYNY47,238+3,456–

43Warren County, NYNY65,020+4,094–

44Franklin County, NYNY46,500+4,594–

45Wayne County, NYNY91,250+4,642–

46Sullivan County, NYNY80,586+4,689–

47Ontario County, NYNY113,130+5,123–

48Putnam County, NYNY99,028+11,804–

49Ulster County, NYNY183,330+12,445–

50Saratoga County, NYNY241,343+19,359–

51Dutchess County, NYNY300,708+20,688–

52Rockland County, NYNY357,397+21,278–

53Monroe County, NYNY750,506+21,375–

54Orange County, NYNY417,669+33,720–

55Nassau County, NYNY1,398,939+47,196–

56Westchester County, NYNY1,015,743+48,593–

57New York County, NYNY1,664,862+49,659–

58Richmond County, NYNY501,290+64,751–

59Suffolk County, NYNY1,546,090+97,505–

60Bronx County, NYNY1,406,332+128,861–

61Kings County, NYNY2,653,963+164,662–

62Queens County, NYNY2,358,182+277,781–

SHOWING 1–62 OF 62

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS