RANKING · 2020 CENSUS · 92 SHOWN OF 92

Youngest by median age, Indiana counties · 2020

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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SAME RANKING BYCities States Metros ZIP codes

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, ININ190,45629.6+9%

02LaGrange County, ININ41,30530.8+4%

03Monroe County, ININ143,34531.0+12%

04Adams County, ININ36,65034.0+3%

05Marion County, ININ992,19634.7+3%

06Daviess County, ININ34,20935.2−1%

07Elkhart County, ININ208,77435.7+8%

08Allen County, ININ402,32936.2+6%

09Delaware County, ININ113,10636.7+9%

10St. Joseph County, ININ272,86136.8+7%

11Vigo County, ININ106,51237.4+7%

12Bartholomew County, ININ85,72937.8+4%

13Johnson County, ININ174,26237.8+8%

14Hamilton County, ININ387,03638.0+11%

15Clinton County, ININ33,32238.3+8%

16Hendricks County, ININ193,51038.4+8%

17Jackson County, ININ47,37038.6+8%

18Vanderburgh County, ININ181,99538.6+5%

19Boone County, ININ80,68938.7+5%

20Kosciusko County, ININ80,89239.0+11%

21Noble County, ININ47,93739.0+17%

22Clark County, ININ130,45139.4+8%

23Lake County, ININ504,61239.5+10%

24DeKalb County, ININ44,53539.8+15%

25Jay County, ININ20,11839.9+9%

26Knox County, ININ35,65240.0+9%

27Floyd County, ININ82,15340.1+9%

28Benton County, ININ8,88340.2+10%

29Marshall County, ININ46,59940.2+13%

30Jennings County, ININ27,62240.4+17%

31Miami County, ININ34,48740.4+10%

32Montgomery County, ININ38,95440.5+11%

33Putnam County, ININ37,87640.5+15%

34Cass County, ININ37,83640.6+11%

35Decatur County, ININ26,57640.6+13%

36Gibson County, ININ33,09140.6+7%

37Hancock County, ININ90,96940.6+9%

38Jefferson County, ININ33,27940.6+11%

39Porter County, ININ176,04940.6+12%

40Grant County, ININ66,52440.8+9%

41Switzerland County, ININ10,03740.9+11%

42Jasper County, ININ33,89441.1+17%

43Parke County, ININ16,64241.1+6%

44Scott County, ININ25,05341.1+17%

45Wells County, ININ28,88341.1+12%

46Dubois County, ININ44,01641.2+14%

47Warrick County, ININ66,80341.2+10%

48LaPorte County, ININ111,29441.4+12%

49Wayne County, ININ66,16941.4+10%

50Madison County, ININ135,08841.5+11%

51Shelby County, ININ45,88241.5+15%

52Washington County, ININ28,38341.7+16%

53Howard County, ININ83,90441.7+12%

54Clay County, ININ26,41041.8+13%

55Huntington County, ININ37,22441.8+15%

56Whitley County, ININ35,04641.8+13%

57Fulton County, ININ20,09141.9+11%

58Rush County, ININ16,76741.9+14%

59Ripley County, ININ29,43442.0+18%

60Sullivan County, ININ20,83142.1+13%

61Perry County, ININ19,38942.1+11%

62Harrison County, ININ40,43742.2+15%

63Carroll County, ININ20,65542.5+14%

64Dearborn County, ININ51,60942.5+17%

65Orange County, ININ19,83442.5+13%

66Union County, ININ6,86342.7+17%

67Steuben County, ININ34,79942.8+21%

68Franklin County, ININ23,28642.9+19%

69Posey County, ININ24,98842.9+15%

70Morgan County, ININ74,96743.0+19%

71Starke County, ININ23,42543.0+16%

72White County, ININ25,16443.1+15%

73Martin County, ININ9,85643.2+12%

74Randolph County, ININ24,43843.3+13%

75Henry County, ININ49,13743.4+12%

76Greene County, ININ31,16543.7+15%

77Pike County, ININ12,00343.7+13%

78Fayette County, ININ23,53343.8+15%

79Fountain County, ININ17,01343.9+16%

80Lawrence County, ININ45,56843.9+15%

81Spencer County, ININ20,06143.9+18%

82Warren County, ININ8,47444.1+15%

83Vermillion County, ININ15,48844.2+14%

84Wabash County, ININ30,71344.4+18%

85Tipton County, ININ15,31944.4+16%

86Pulaski County, ININ12,46344.4+17%

87Newton County, ININ14,18844.7+20%

88Blackford County, ININ11,73044.9+17%

89Crawford County, ININ10,50945.0+21%

90Owen County, ININ21,88645.1+20%

91Ohio County, ININ5,99447.2+23%

92Brown County, ININ15,77750.1+23%

SHOWING 1–92 OF 92

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