RANKING · 2000 CENSUS · 62 SHOWN OF 62

Most population gained, New York counties · 2000

New York counties that added 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.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS –

01Queens County, NYNY2,358,182+277,781–

02Kings County, NYNY2,653,963+164,662–

03Bronx County, NYNY1,406,332+128,861–

04Suffolk County, NYNY1,546,090+97,505–

05Richmond County, NYNY501,290+64,751–

06New York County, NYNY1,664,862+49,659–

07Westchester County, NYNY1,015,743+48,593–

08Nassau County, NYNY1,398,939+47,196–

09Orange County, NYNY417,669+33,720–

10Monroe County, NYNY750,506+21,375–

11Rockland County, NYNY357,397+21,278–

12Dutchess County, NYNY300,708+20,688–

13Saratoga County, NYNY241,343+19,359–

14Ulster County, NYNY183,330+12,445–

15Putnam County, NYNY99,028+11,804–

16Ontario County, NYNY113,130+5,123–

17Sullivan County, NYNY80,586+4,689–

18Wayne County, NYNY91,250+4,642–

19Franklin County, NYNY46,500+4,594–

20Warren County, NYNY65,020+4,094–

21Greene County, NYNY47,238+3,456–

22Tompkins County, NYNY104,047+2,404–

23Orleans County, NYNY39,825+2,325–

24Albany County, NYNY321,225+1,971–

25Livingston County, NYNY61,438+1,956–

26Yates County, NYNY24,547+1,811–

27Washington County, NYNY59,353+1,712–

28Essex County, NYNY36,438+1,699–

29Otsego County, NYNY60,589+1,159–

30Wyoming County, NYNY39,741+917–

31Fulton County, NYNY52,216+882–

32Delaware County, NYNY44,305+830–

33Jefferson County, NYNY111,540+795–

34Oswego County, NYNY118,569+606–

35Schuyler County, NYNY16,924+562–

36Madison County, NYNY67,120+321–

37Genesee County, NYNY58,416+310–

38Lewis County, NYNY26,479+148–

39Columbia County, NYNY60,168+112–

40Hamilton County, NYNY5,006+100–

41St. Lawrence County, NYNY105,488-43–

42Schoharie County, NYNY30,176-277–

43Cattaraugus County, NYNY75,390-279–

44Seneca County, NYNY32,883-341–

45Cayuga County, NYNY74,365-350–

46Steuben County, NYNY91,855-362–

47Cortland County, NYNY45,850-364–

48Chenango County, NYNY45,715-367–

49Allegany County, NYNY46,800-543–

50Tioga County, NYNY47,453-553–

51Niagara County, NYNY208,912-910–

52Herkimer County, NYNY59,219-1,370–

53Rensselaer County, NYNY160,510-1,891–

54Chautauqua County, NYNY124,126-2,145–

55Montgomery County, NYNY50,046-2,273–

56Schenectady County, NYNY162,581-2,730–

57Chemung County, NYNY80,415-4,125–

58Clinton County, NYNY78,138-6,075–

59Onondaga County, NYNY466,584-10,637–

60Broome County, NYNY195,736-11,624–

61Oneida County, NYNY226,392-15,367–

62Erie County, NYNY946,741-18,267–

SHOWING 1–62 OF 62

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS