RANKING · 2010 CENSUS · 92 SHOWN OF 92

Youngest by median age, Indiana counties · 2010

Indiana counties with the youngest median age (2010 ACS). This list covers the 92 counties in Indiana that qualify, ranked against each other statewide. The median across all 92 is 39.7.

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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

01Monroe County, ININ143,34527.70%

02Tippecanoe County, ININ190,45627.7+2%

03LaGrange County, ININ41,30530.4+3%

04Marion County, ININ992,19633.9+1%

05Adams County, ININ36,65034.0+3%

06Delaware County, ININ113,10634.8+3%

07Elkhart County, ININ208,77434.9+6%

08Allen County, ININ402,32935.3+4%

09Daviess County, ININ34,20935.40%

10Hamilton County, ININ387,03635.6+4%

11Vigo County, ININ106,51236.1+3%

12St. Joseph County, ININ272,86136.2+5%

13Hendricks County, ININ193,51036.7+3%

14Johnson County, ININ174,26236.8+5%

15Noble County, ININ47,93737.1+11%

16Lake County, ININ504,61237.4+4%

17Clinton County, ININ33,32237.5+5%

18Vanderburgh County, ININ181,99537.5+2%

19Kosciusko County, ININ80,89237.7+7%

20Clark County, ININ130,45137.9+4%

21Putnam County, ININ37,87637.9+8%

22Jasper County, ININ33,89438.0+9%

23DeKalb County, ININ44,53538.1+10%

24Bartholomew County, ININ85,72938.2+6%

25Jennings County, ININ27,62238.4+11%

26Marshall County, ININ46,59938.4+8%

27Porter County, ININ176,04938.4+6%

28Knox County, ININ35,65238.5+5%

29Boone County, ININ80,68938.6+5%

30Cass County, ININ37,83638.7+5%

31Decatur County, ININ26,57638.7+8%

32Jackson County, ININ47,37038.7+8%

33Huntington County, ININ37,22439.0+8%

34Jay County, ININ20,11839.0+6%

35Floyd County, ININ82,15339.1+6%

36Hancock County, ININ90,96939.1+5%

37Switzerland County, ININ10,03739.1+6%

38Washington County, ININ28,38339.2+9%

39Madison County, ININ135,08839.2+5%

40Ripley County, ININ29,43439.2+10%

41Scott County, ININ25,05339.3+12%

42Montgomery County, ININ38,95439.4+8%

43Grant County, ININ66,52439.5+6%

44Miami County, ININ34,48739.5+8%

45LaPorte County, ININ111,29439.6+7%

46Jefferson County, ININ33,27939.7+8%

47Warrick County, ININ66,80339.7+6%

48Sullivan County, ININ20,83139.8+7%

49Clay County, ININ26,41039.9+8%

50Dubois County, ININ44,01639.9+11%

51Gibson County, ININ33,09139.9+5%

52Morgan County, ININ74,96739.9+11%

53Shelby County, ININ45,88239.9+10%

54Dearborn County, ININ51,60940.0+10%

55Franklin County, ININ23,28640.0+11%

56Benton County, ININ8,88340.1+9%

57Whitley County, ININ35,04640.1+9%

58Steuben County, ININ34,79940.2+13%

59Harrison County, ININ40,43740.2+10%

60Wayne County, ININ66,16940.2+7%

61Wells County, ININ28,88340.2+9%

62Fulton County, ININ20,09140.3+6%

63Union County, ININ6,86340.3+10%

64Perry County, ININ19,38940.4+6%

65Starke County, ININ23,42540.4+9%

66Rush County, ININ16,76740.6+10%

67Howard County, ININ83,90440.7+10%

68Fayette County, ININ23,53340.8+7%

69Orange County, ININ19,83440.8+9%

70Randolph County, ININ24,43840.8+7%

71Carroll County, ININ20,65540.9+10%

72Greene County, ININ31,16541.1+8%

73Wabash County, ININ30,71341.2+10%

74Parke County, ININ16,64241.3+6%

75Henry County, ININ49,13741.4+7%

76Fountain County, ININ17,01341.6+10%

77Lawrence County, ININ45,56841.6+9%

78Posey County, ININ24,98841.6+11%

79Pulaski County, ININ12,46341.7+10%

80Martin County, ININ9,85641.8+9%

81Crawford County, ININ10,50941.8+12%

82Spencer County, ININ20,06141.9+12%

83Vermillion County, ININ15,48841.9+8%

84White County, ININ25,16441.9+11%

85Blackford County, ININ11,73042.4+10%

86Newton County, ININ14,18842.4+14%

87Owen County, ININ21,88642.4+13%

88Warren County, ININ8,47442.4+11%

89Tipton County, ININ15,31942.6+11%

90Pike County, ININ12,00342.8+10%

91Ohio County, ININ5,99443.7+14%

92Brown County, ININ15,77746.7+14%

SHOWING 1–92 OF 92

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