RANKING · 1990 CENSUS · 92 SHOWN OF 92

Oldest by median age, Indiana counties · 1990

Indiana counties ranked by median age of residents (1990 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

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 –

01Sullivan County, ININ20,83137.0–

02Vermillion County, ININ15,48836.6–

03Brown County, ININ15,77736.4–

04Parke County, ININ16,64236.2–

05Pike County, ININ12,00336.2–

06Warren County, ININ8,47436.1–

07Fountain County, ININ17,01336.0–

08Henry County, ININ49,13736.0–

09Greene County, ININ31,16535.9–

10Blackford County, ININ11,73035.7–

11Randolph County, ININ24,43835.6–

12Fulton County, ININ20,09135.4–

13Lawrence County, ININ45,56835.2–

14Fayette County, ININ23,53335.2–

15Switzerland County, ININ10,03735.2–

16Tipton County, ININ15,31935.2–

17Clay County, ININ26,41035.2–

18White County, ININ25,16435.1–

19Gibson County, ININ33,09135.1–

20Carroll County, ININ20,65535.0–

21Cass County, ININ37,83635.0–

22Jay County, ININ20,11835.0–

23Wayne County, ININ66,16934.9–

24Grant County, ININ66,52434.9–

25Madison County, ININ135,08834.8–

26Owen County, ININ21,88634.7–

27Benton County, ININ8,88334.7–

28Orange County, ININ19,83434.7–

29Vanderburgh County, ININ181,99534.5–

30Boone County, ININ80,68934.4–

31Hancock County, ININ90,96934.3–

32LaPorte County, ININ111,29434.2–

33Bartholomew County, ININ85,72934.2–

34Clinton County, ININ33,32234.2–

35Martin County, ININ9,85634.2–

36Crawford County, ININ10,50934.1–

37Ohio County, ININ5,99434.1–

38Howard County, ININ83,90434.1–

39Montgomery County, ININ38,95434.0–

40Floyd County, ININ82,15334.0–

41Jackson County, ININ47,37034.0–

42Pulaski County, ININ12,46333.8–

43Clark County, ININ130,45133.8–

44Wabash County, ININ30,71333.8–

45Spencer County, ININ20,06133.7–

46Jefferson County, ININ33,27933.7–

47Union County, ININ6,86333.7–

48Daviess County, ININ34,20933.6–

49Rush County, ININ16,76733.6–

50Knox County, ININ35,65233.6–

51Newton County, ININ14,18833.6–

52Perry County, ININ19,38933.4–

53Posey County, ININ24,98833.4–

54Warrick County, ININ66,80333.4–

55Steuben County, ININ34,79933.3–

56Washington County, ININ28,38333.3–

57Hendricks County, ININ193,51033.3–

58Starke County, ININ23,42533.3–

59Dearborn County, ININ51,60933.2–

60Harrison County, ININ40,43733.2–

61Marshall County, ININ46,59933.2–

62Whitley County, ININ35,04633.2–

63Shelby County, ININ45,88233.1–

64Jennings County, ININ27,62233.1–

65Lake County, ININ504,61233.0–

66Ripley County, ININ29,43433.0–

67Wells County, ININ28,88333.0–

68Huntington County, ININ37,22432.9–

69Vigo County, ININ106,51232.9–

70Hamilton County, ININ387,03632.9–

71St. Joseph County, ININ272,86132.9–

72Morgan County, ININ74,96732.8–

73Porter County, ININ176,04932.8–

74Franklin County, ININ23,28632.8–

75Scott County, ININ25,05332.8–

76Johnson County, ININ174,26232.7–

77Decatur County, ININ26,57632.6–

78Putnam County, ININ37,87632.2–

79Kosciusko County, ININ80,89232.1–

80Allen County, ININ402,32932.1–

81Jasper County, ININ33,89432.1–

82Dubois County, ININ44,01632.0–

83DeKalb County, ININ44,53531.9–

84Elkhart County, ININ208,77431.9–

85Marion County, ININ992,19631.9–

86Noble County, ININ47,93731.8–

87Delaware County, ININ113,10631.5–

88Miami County, ININ34,48731.4–

89Adams County, ININ36,65030.9–

90LaGrange County, ININ41,30528.2–

91Tippecanoe County, ININ190,45626.8–

92Monroe County, ININ143,34526.5–

SHOWING 1–92 OF 92

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