RANKING · 1990 CENSUS · 92 SHOWN OF 92

Oldest by median age, Indiana counties · 1990

Indiana counties ranked by median age of residents (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

RELATEDYoungest 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

01Sullivan County, ININ20,83137.0−1%

02Vermillion County, ININ15,48836.6−6%

03Brown County, ININ15,77736.4−11%

04Parke County, ININ16,64236.2−7%

05Pike County, ININ12,00336.2−7%

06Warren County, ININ8,47436.1−6%

07Fountain County, ININ17,01336.0−5%

08Henry County, ININ49,13736.0−7%

09Greene County, ININ31,16535.9−6%

10Blackford County, ININ11,73035.7−7%

11Randolph County, ININ24,43835.6−7%

12Fulton County, ININ20,09135.4−7%

13Lawrence County, ININ45,56835.2−8%

14Fayette County, ININ23,53335.2−7%

15Switzerland County, ININ10,03735.2−4%

16Tipton County, ININ15,31935.2−8%

17Clay County, ININ26,41035.2−5%

18White County, ININ25,16435.1−7%

19Gibson County, ININ33,09135.1−8%

20Carroll County, ININ20,65535.0−6%

21Cass County, ININ37,83635.0−5%

22Jay County, ININ20,11835.0−5%

23Wayne County, ININ66,16934.9−7%

24Grant County, ININ66,52434.9−7%

25Madison County, ININ135,08834.8−7%

26Owen County, ININ21,88634.7−8%

27Benton County, ININ8,88334.7−6%

28Orange County, ININ19,83434.7−8%

29Vanderburgh County, ININ181,99534.5−6%

30Boone County, ININ80,68934.4−7%

31Hancock County, ININ90,96934.3−8%

32LaPorte County, ININ111,29434.2−8%

33Bartholomew County, ININ85,72934.2−6%

34Clinton County, ININ33,32234.2−4%

35Martin County, ININ9,85634.2−11%

36Crawford County, ININ10,50934.1−8%

37Ohio County, ININ5,99434.1−11%

38Howard County, ININ83,90434.1−8%

39Montgomery County, ININ38,95434.0−7%

40Floyd County, ININ82,15334.0−8%

41Jackson County, ININ47,37034.0−5%

42Pulaski County, ININ12,46333.8−11%

43Clark County, ININ130,45133.8−7%

44Wabash County, ININ30,71333.8−10%

45Spencer County, ININ20,06133.7−10%

46Jefferson County, ININ33,27933.7−8%

47Union County, ININ6,86333.7−8%

48Daviess County, ININ34,20933.6−5%

49Rush County, ININ16,76733.6−9%

50Knox County, ININ35,65233.6−8%

51Newton County, ININ14,18833.6−10%

52Perry County, ININ19,38933.4−12%

53Posey County, ININ24,98833.4−11%

54Warrick County, ININ66,80333.4−11%

55Steuben County, ININ34,79933.3−6%

56Washington County, ININ28,38333.3−7%

57Hendricks County, ININ193,51033.3−7%

58Starke County, ININ23,42533.3−10%

59Dearborn County, ININ51,60933.2−8%

60Harrison County, ININ40,43733.2−9%

61Marshall County, ININ46,59933.2−6%

62Whitley County, ININ35,04633.2−10%

63Shelby County, ININ45,88233.1−8%

64Jennings County, ININ27,62233.1−4%

65Lake County, ININ504,61233.0−8%

66Ripley County, ININ29,43433.0−7%

67Wells County, ININ28,88333.0−10%

68Huntington County, ININ37,22432.9−9%

69Vigo County, ININ106,51232.9−6%

70Hamilton County, ININ387,03632.9−4%

71St. Joseph County, ININ272,86132.9−5%

72Morgan County, ININ74,96732.8−9%

73Porter County, ININ176,04932.8−10%

74Franklin County, ININ23,28632.8−9%

75Scott County, ININ25,05332.8−7%

76Johnson County, ININ174,26232.7−6%

77Decatur County, ININ26,57632.6−9%

78Putnam County, ININ37,87632.2−8%

79Kosciusko County, ININ80,89232.1−8%

80Allen County, ININ402,32932.1−6%

81Jasper County, ININ33,89432.1−8%

82Dubois County, ININ44,01632.0−11%

83DeKalb County, ININ44,53531.9−8%

84Elkhart County, ININ208,77431.9−3%

85Marion County, ININ992,19631.9−5%

86Noble County, ININ47,93731.8−5%

87Delaware County, ININ113,10631.5−7%

88Miami County, ININ34,48731.4−14%

89Adams County, ININ36,65030.9−6%

90LaGrange County, ININ41,30528.2−4%

91Tippecanoe County, ININ190,45626.8−2%

92Monroe County, ININ143,34526.5−4%

SHOWING 1–92 OF 92

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