RANKING · 1990 CENSUS · 92 SHOWN OF 92

Youngest by median age, Indiana counties · 1990

Indiana counties with the youngest median age (1990 ACS). This list covers the 92 counties in Indiana that qualify, ranked against each other statewide.

Flip the list · Oldest by median age, US counties →

IndianaAll states All rankings

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 –

01Monroe County, ININ143,34526.5–

02Tippecanoe County, ININ190,45626.8–

03LaGrange County, ININ41,30528.2–

04Adams County, ININ36,65030.9–

05Miami County, ININ34,48731.4–

06Delaware County, ININ113,10631.5–

07Noble County, ININ47,93731.8–

08Marion County, ININ992,19631.9–

09Elkhart County, ININ208,77431.9–

10DeKalb County, ININ44,53531.9–

11Dubois County, ININ44,01632.0–

12Jasper County, ININ33,89432.1–

13Allen County, ININ402,32932.1–

14Kosciusko County, ININ80,89232.1–

15Putnam County, ININ37,87632.2–

16Decatur County, ININ26,57632.6–

17Johnson County, ININ174,26232.7–

18Scott County, ININ25,05332.8–

19Franklin County, ININ23,28632.8–

20Porter County, ININ176,04932.8–

21Morgan County, ININ74,96732.8–

22St. Joseph County, ININ272,86132.9–

23Hamilton County, ININ387,03632.9–

24Vigo County, ININ106,51232.9–

25Huntington County, ININ37,22432.9–

26Wells County, ININ28,88333.0–

27Ripley County, ININ29,43433.0–

28Lake County, ININ504,61233.0–

29Jennings County, ININ27,62233.1–

30Shelby County, ININ45,88233.1–

31Whitley County, ININ35,04633.2–

32Marshall County, ININ46,59933.2–

33Harrison County, ININ40,43733.2–

34Dearborn County, ININ51,60933.2–

35Starke County, ININ23,42533.3–

36Hendricks County, ININ193,51033.3–

37Washington County, ININ28,38333.3–

38Steuben County, ININ34,79933.3–

39Warrick County, ININ66,80333.4–

40Posey County, ININ24,98833.4–

41Perry County, ININ19,38933.4–

42Newton County, ININ14,18833.6–

43Knox County, ININ35,65233.6–

44Rush County, ININ16,76733.6–

45Daviess County, ININ34,20933.6–

46Union County, ININ6,86333.7–

47Jefferson County, ININ33,27933.7–

48Spencer County, ININ20,06133.7–

49Wabash County, ININ30,71333.8–

50Clark County, ININ130,45133.8–

51Pulaski County, ININ12,46333.8–

52Jackson County, ININ47,37034.0–

53Floyd County, ININ82,15334.0–

54Montgomery County, ININ38,95434.0–

55Howard County, ININ83,90434.1–

56Ohio County, ININ5,99434.1–

57Crawford County, ININ10,50934.1–

58Martin County, ININ9,85634.2–

59Clinton County, ININ33,32234.2–

60Bartholomew County, ININ85,72934.2–

61LaPorte County, ININ111,29434.2–

62Hancock County, ININ90,96934.3–

63Boone County, ININ80,68934.4–

64Vanderburgh County, ININ181,99534.5–

65Orange County, ININ19,83434.7–

66Benton County, ININ8,88334.7–

67Owen County, ININ21,88634.7–

68Madison County, ININ135,08834.8–

69Grant County, ININ66,52434.9–

70Wayne County, ININ66,16934.9–

71Jay County, ININ20,11835.0–

72Cass County, ININ37,83635.0–

73Carroll County, ININ20,65535.0–

74Gibson County, ININ33,09135.1–

75White County, ININ25,16435.1–

76Clay County, ININ26,41035.2–

77Tipton County, ININ15,31935.2–

78Switzerland County, ININ10,03735.2–

79Fayette County, ININ23,53335.2–

80Lawrence County, ININ45,56835.2–

81Fulton County, ININ20,09135.4–

82Randolph County, ININ24,43835.6–

83Blackford County, ININ11,73035.7–

84Greene County, ININ31,16535.9–

85Henry County, ININ49,13736.0–

86Fountain County, ININ17,01336.0–

87Warren County, ININ8,47436.1–

88Pike County, ININ12,00336.2–

89Parke County, ININ16,64236.2–

90Brown County, ININ15,77736.4–

91Vermillion County, ININ15,48836.6–

92Sullivan County, ININ20,83137.0–

SHOWING 1–92 OF 92

Download CSV (full list, 92 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS