RANKING · 1990 CENSUS · 62 SHOWN OF 62

Largest by population, New York counties · 1990

The most populous us counties as of the 2023 estimates. 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 ZIP codes

RELATEDFastest growing Fastest shrinking Most densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPTOTAL POPULATIONVS 2000

01Kings County, NYNY2,653,9632,300,664−7%

02Queens County, NYNY2,358,1821,951,598−12%

03New York County, NYNY1,664,8621,487,536−3%

04Suffolk County, NYNY1,546,0901,321,864−7%

05Nassau County, NYNY1,398,9391,287,348−4%

06Bronx County, NYNY1,406,3321,203,789−10%

07Erie County, NYNY946,741968,532+2%

08Westchester County, NYNY1,015,743874,866−5%

09Monroe County, NYNY750,506713,968−3%

10Onondaga County, NYNY466,584468,973+2%

11Richmond County, NYNY501,290378,977−15%

12Orange County, NYNY417,669307,647−10%

13Albany County, NYNY321,225292,594−1%

14Rockland County, NYNY357,397265,475−7%

15Dutchess County, NYNY300,708259,462−7%

16Oneida County, NYNY226,392250,836+7%

17Niagara County, NYNY208,912220,756+0%

18Broome County, NYNY195,736212,160+6%

19Saratoga County, NYNY241,343181,276−10%

20Ulster County, NYNY183,330165,304−7%

21Rensselaer County, NYNY160,510154,429+1%

22Schenectady County, NYNY162,581149,285+2%

23Chautauqua County, NYNY124,126141,895+2%

24Oswego County, NYNY118,569121,771−0%

25St. Lawrence County, NYNY105,488111,974+0%

26Jefferson County, NYNY111,540110,943−1%

27Steuben County, NYNY91,85599,088+0%

28Chemung County, NYNY80,41595,195+5%

29Ontario County, NYNY113,13095,101−5%

30Tompkins County, NYNY104,04794,097−2%

31Wayne County, NYNY91,25089,123−5%

32Clinton County, NYNY78,13885,969+8%

33Cattaraugus County, NYNY75,39084,234+0%

34Putnam County, NYNY99,02883,941−12%

35Cayuga County, NYNY74,36582,313+0%

36Sullivan County, NYNY80,58669,277−6%

37Madison County, NYNY67,12069,120−0%

38Herkimer County, NYNY59,21965,797+2%

39Columbia County, NYNY60,16862,982−0%

40Livingston County, NYNY61,43862,372−3%

41Otsego County, NYNY60,58960,517−2%

42Genesee County, NYNY58,41660,060−1%

43Washington County, NYNY59,35359,330−3%

44Warren County, NYNY65,02059,209−6%

45Fulton County, NYNY52,21654,191−2%

46Tioga County, NYNY47,45352,337+1%

47Montgomery County, NYNY50,04651,981+5%

48Chenango County, NYNY45,71551,768+1%

49Allegany County, NYNY46,80050,470+1%

50Cortland County, NYNY45,85048,963+1%

51Delaware County, NYNY44,30547,225−2%

52Franklin County, NYNY46,50046,540−9%

53Greene County, NYNY47,23844,739−7%

54Wyoming County, NYNY39,74142,507−2%

55Orleans County, NYNY39,82541,846−5%

56Essex County, NYNY36,43837,152−4%

57Seneca County, NYNY32,88333,683+1%

58Schoharie County, NYNY30,17631,859+1%

59Lewis County, NYNY26,47926,796−1%

60Yates County, NYNY24,54722,810−7%

61Schuyler County, NYNY16,92418,662−3%

62Hamilton County, NYNY5,0065,279−2%

SHOWING 1–62 OF 62

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES