RANKING · 2020 CENSUS · 92 SHOWN OF 92

Youngest by median age, Indiana counties · 2020

Indiana counties with the youngest median age (2020 ACS). This list covers the 92 counties in Indiana that qualify, ranked against each other statewide. The median across all 92 is 41.2.

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