RANKING · 2024 ACS · 92 SHOWN OF 92

Youngest by median age, Indiana counties

Indiana counties with the youngest median age (2023 ACS). This list covers the 92 counties in Indiana that qualify, ranked against each other statewide.

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RELATEDOldest by median age Most foreign-born residents Highest uninsured rate Most women Most men Highest disability rate

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Tippecanoe County, ININ190,45628.8+6%

02Monroe County, ININ143,34531.2+13%

03LaGrange County, ININ41,30532.7+11%

04Adams County, ININ36,65033.2+1%

05Marion County, ININ992,19634.4+2%

06Daviess County, ININ34,20934.5−3%

07Elkhart County, ININ208,77435.6+8%

08Delaware County, ININ113,10635.8+6%

09Allen County, ININ402,32936.2+6%

10Vigo County, ININ106,51236.3+4%

11St. Joseph County, ININ272,86136.7+7%

12Clinton County, ININ33,32236.7+3%

13Bartholomew County, ININ85,72937.5+4%

14Johnson County, ININ174,26238.0+9%

15DeKalb County, ININ44,53538.4+11%

16Hamilton County, ININ387,03638.4+13%

17Jackson County, ININ47,37038.4+7%

18Putnam County, ININ37,87638.4+9%

19Hendricks County, ININ193,51038.5+8%

20Grant County, ININ66,52438.7+3%

21Vanderburgh County, ININ181,99538.7+5%

22Boone County, ININ80,68938.8+5%

23Knox County, ININ35,65239.0+6%

24Kosciusko County, ININ80,89239.1+11%

25Noble County, ININ47,93739.4+18%

26Jay County, ININ20,11839.5+8%

27Lake County, ININ504,61239.7+11%

28Decatur County, ININ26,57639.8+11%

29Marshall County, ININ46,59939.8+12%

30Wells County, ININ28,88339.8+8%

31Clark County, ININ130,45139.9+9%

32Benton County, ININ8,88339.9+9%

33Hancock County, ININ90,96940.0+7%

34Gibson County, ININ33,09140.2+6%

35Dubois County, ININ44,01640.3+12%

36Jennings County, ININ27,62240.3+16%

37Huntington County, ININ37,22440.4+12%

38Montgomery County, ININ38,95440.4+10%

39Howard County, ININ83,90440.7+10%

40Porter County, ININ176,04940.8+12%

41Scott County, ININ25,05340.8+16%

42Floyd County, ININ82,15340.9+11%

43Madison County, ININ135,08840.9+9%

44Wayne County, ININ66,16941.0+9%

45LaPorte County, ININ111,29441.1+11%

46Warrick County, ININ66,80341.1+10%

47Jasper County, ININ33,89441.2+18%

48Ripley County, ININ29,43441.2+15%

49Whitley County, ININ35,04641.3+12%

50Clay County, ININ26,41041.4+12%

51Washington County, ININ28,38341.5+16%

52Miami County, ININ34,48741.5+13%

53Shelby County, ININ45,88241.5+15%

54Parke County, ININ16,64241.6+7%

55Sullivan County, ININ20,83141.7+12%

56Morgan County, ININ74,96741.7+16%

57Cass County, ININ37,83641.8+14%

58Jefferson County, ININ33,27941.8+14%

59Perry County, ININ19,38941.9+10%

60Dearborn County, ININ51,60942.1+16%

61Starke County, ININ23,42542.1+14%

62Henry County, ININ49,13742.2+9%

63Fulton County, ININ20,09142.3+12%

64Randolph County, ININ24,43842.3+11%

65Franklin County, ININ23,28642.4+18%

66Rush County, ININ16,76742.4+15%

67Switzerland County, ININ10,03742.5+15%

68Pulaski County, ININ12,46342.6+13%

69Martin County, ININ9,85642.7+11%

70Wabash County, ININ30,71342.7+14%

71Fountain County, ININ17,01342.7+13%

72Orange County, ININ19,83442.7+14%

73Vermillion County, ININ15,48842.7+10%

74White County, ININ25,16442.8+14%

75Greene County, ININ31,16542.9+13%

76Newton County, ININ14,18842.9+15%

77Harrison County, ININ40,43743.0+17%

78Posey County, ININ24,98843.0+15%

79Blackford County, ININ11,73043.1+12%

80Carroll County, ININ20,65543.2+16%

81Lawrence County, ININ45,56843.3+13%

82Steuben County, ININ34,79943.5+23%

83Warren County, ININ8,47443.5+14%

84Pike County, ININ12,00343.7+13%

85Union County, ININ6,86343.9+20%

86Fayette County, ININ23,53344.0+16%

87Tipton County, ININ15,31944.4+16%

88Spencer County, ININ20,06144.4+19%

89Owen County, ININ21,88645.0+20%

90Crawford County, ININ10,50945.7+23%

91Ohio County, ININ5,99447.2+23%

92Brown County, ININ15,77751.0+25%

SHOWING 1–92 OF 92

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