RANKING · 2000 CENSUS · 62 SHOWN OF 62

Youngest by median age, New York counties · 2000

New York counties with the youngest median age (2000 ACS). 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

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 1990

01Tompkins County, NYNY104,04728.6+5%

02Bronx County, NYNY1,406,33231.2+0%

03Jefferson County, NYNY111,54032.5+11%

04Kings County, NYNY2,653,96333.1+2%

05Cortland County, NYNY45,85034.2+12%

06Orange County, NYNY417,66934.7+8%

07Allegany County, NYNY46,80035.0+12%

08Oswego County, NYNY118,56935.0+15%

09Livingston County, NYNY61,43835.3+12%

10Queens County, NYNY2,358,18235.4−0%

11St. Lawrence County, NYNY105,48835.4+15%

12Clinton County, NYNY78,13835.7+19%

13New York County, NYNY1,664,86235.7−1%

14Richmond County, NYNY501,29035.9+7%

15Madison County, NYNY67,12036.1+15%

16Monroe County, NYNY750,50636.1+9%

17Orleans County, NYNY39,82536.2+11%

18Rockland County, NYNY357,39736.2+6%

19Franklin County, NYNY46,50036.3+11%

20Onondaga County, NYNY466,58436.3+11%

21Suffolk County, NYNY1,546,09036.5+9%

22Dutchess County, NYNY300,70836.7+10%

23Rensselaer County, NYNY160,51036.7+11%

24Wyoming County, NYNY39,74136.7+13%

25Albany County, NYNY321,22536.8+8%

26Lewis County, NYNY26,47936.8+17%

27Saratoga County, NYNY241,34336.9+13%

28Wayne County, NYNY91,25036.9+12%

29Otsego County, NYNY60,58937.1+11%

30Cayuga County, NYNY74,36537.3+13%

31Cattaraugus County, NYNY75,39037.4+13%

32Genesee County, NYNY58,41637.4+12%

33Putnam County, NYNY99,02837.4+11%

34Washington County, NYNY59,35337.5+13%

35Westchester County, NYNY1,015,74337.6+3%

36Chemung County, NYNY80,41537.9+11%

37Chautauqua County, NYNY124,12637.9+11%

38Ontario County, NYNY113,13037.9+11%

39Yates County, NYNY24,54737.9+9%

40Erie County, NYNY946,74138.0+9%

41Schoharie County, NYNY30,17638.0+13%

42Tioga County, NYNY47,45338.0+15%

43Broome County, NYNY195,73638.2+12%

44Niagara County, NYNY208,91238.2+10%

45Oneida County, NYNY226,39238.2+13%

46Seneca County, NYNY32,88338.2+10%

47Steuben County, NYNY91,85538.2+11%

48Ulster County, NYNY183,33038.2+11%

49Chenango County, NYNY45,71538.4+13%

50Nassau County, NYNY1,398,93938.5+5%

51Fulton County, NYNY52,21638.6+10%

52Schenectady County, NYNY162,58138.6+8%

53Schuyler County, NYNY16,92438.8+12%

54Sullivan County, NYNY80,58638.8+10%

55Herkimer County, NYNY59,21939.0+10%

56Warren County, NYNY65,02039.0+13%

57Greene County, NYNY47,23839.1+10%

58Essex County, NYNY36,43839.4+12%

59Montgomery County, NYNY50,04639.7+8%

60Columbia County, NYNY60,16840.5+11%

61Delaware County, NYNY44,30541.4+16%

62Hamilton County, NYNY5,00645.4+14%

SHOWING 1–62 OF 62

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