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. The median across all 62 is 37.4.

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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, NYNY1,406,33231.20%

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, NYNY2,358,18235.40%

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