RANKING · 1990 CENSUS · 92 SHOWN OF 92

Youngest by median age, Indiana counties · 1990

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

01Monroe County, ININ143,34526.5−4%

02Tippecanoe County, ININ190,45626.8−2%

03LaGrange County, ININ41,30528.2−4%

04Adams County, ININ36,65030.9−6%

05Miami County, ININ34,48731.4−14%

06Delaware County, ININ113,10631.5−7%

07Noble County, ININ47,93731.8−5%

08Marion County, ININ992,19631.9−5%

09Elkhart County, ININ208,77431.9−3%

10DeKalb County, ININ44,53531.9−8%

11Dubois County, ININ44,01632.0−11%

12Jasper County, ININ33,89432.1−8%

13Allen County, ININ402,32932.1−6%

14Kosciusko County, ININ80,89232.1−8%

15Putnam County, ININ37,87632.2−8%

16Decatur County, ININ26,57632.6−9%

17Johnson County, ININ174,26232.7−6%

18Scott County, ININ25,05332.8−7%

19Franklin County, ININ23,28632.8−9%

20Porter County, ININ176,04932.8−10%

21Morgan County, ININ74,96732.8−9%

22St. Joseph County, ININ272,86132.9−5%

23Hamilton County, ININ387,03632.9−4%

24Vigo County, ININ106,51232.9−6%

25Huntington County, ININ37,22432.9−9%

26Wells County, ININ28,88333.0−10%

27Ripley County, ININ29,43433.0−7%

28Lake County, ININ504,61233.0−8%

29Jennings County, ININ27,62233.1−4%

30Shelby County, ININ45,88233.1−8%

31Whitley County, ININ35,04633.2−10%

32Marshall County, ININ46,59933.2−6%

33Harrison County, ININ40,43733.2−9%

34Dearborn County, ININ51,60933.2−8%

35Starke County, ININ23,42533.3−10%

36Hendricks County, ININ193,51033.3−7%

37Washington County, ININ28,38333.3−7%

38Steuben County, ININ34,79933.3−6%

39Warrick County, ININ66,80333.4−11%

40Posey County, ININ24,98833.4−11%

41Perry County, ININ19,38933.4−12%

42Newton County, ININ14,18833.6−10%

43Knox County, ININ35,65233.6−8%

44Rush County, ININ16,76733.6−9%

45Daviess County, ININ34,20933.6−5%

46Union County, ININ6,86333.7−8%

47Jefferson County, ININ33,27933.7−8%

48Spencer County, ININ20,06133.7−10%

49Wabash County, ININ30,71333.8−10%

50Clark County, ININ130,45133.8−7%

51Pulaski County, ININ12,46333.8−11%

52Jackson County, ININ47,37034.0−5%

53Floyd County, ININ82,15334.0−8%

54Montgomery County, ININ38,95434.0−7%

55Howard County, ININ83,90434.1−8%

56Ohio County, ININ5,99434.1−11%

57Crawford County, ININ10,50934.1−8%

58Martin County, ININ9,85634.2−11%

59Clinton County, ININ33,32234.2−4%

60Bartholomew County, ININ85,72934.2−6%

61LaPorte County, ININ111,29434.2−8%

62Hancock County, ININ90,96934.3−8%

63Boone County, ININ80,68934.4−7%

64Vanderburgh County, ININ181,99534.5−6%

65Orange County, ININ19,83434.7−8%

66Benton County, ININ8,88334.7−6%

67Owen County, ININ21,88634.7−8%

68Madison County, ININ135,08834.8−7%

69Grant County, ININ66,52434.9−7%

70Wayne County, ININ66,16934.9−7%

71Jay County, ININ20,11835.0−5%

72Cass County, ININ37,83635.0−5%

73Carroll County, ININ20,65535.0−6%

74Gibson County, ININ33,09135.1−8%

75White County, ININ25,16435.1−7%

76Clay County, ININ26,41035.2−5%

77Tipton County, ININ15,31935.2−8%

78Switzerland County, ININ10,03735.2−4%

79Fayette County, ININ23,53335.2−7%

80Lawrence County, ININ45,56835.2−8%

81Fulton County, ININ20,09135.4−7%

82Randolph County, ININ24,43835.6−7%

83Blackford County, ININ11,73035.7−7%

84Greene County, ININ31,16535.9−6%

85Henry County, ININ49,13736.0−7%

86Fountain County, ININ17,01336.0−5%

87Warren County, ININ8,47436.1−6%

88Pike County, ININ12,00336.2−7%

89Parke County, ININ16,64236.2−7%

90Brown County, ININ15,77736.4−11%

91Vermillion County, ININ15,48836.6−6%

92Sullivan County, ININ20,83137.0−1%

SHOWING 1–92 OF 92

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