RANKING · 1990 CENSUS · 92 SHOWN OF 92

Least racially diverse, Indiana counties · 1990

Indiana counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (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

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

01Daviess County, ININ34,2091−84%

02Martin County, ININ9,8561−37%

03Pike County, ININ12,0031−28%

04Carroll County, ININ20,6551−81%

05Switzerland County, ININ10,0372−47%

06Ripley County, ININ29,4342−44%

07Vermillion County, ININ15,4882−23%

08Washington County, ININ28,3832−20%

09Crawford County, ININ10,5092−32%

10Brown County, ININ15,7772−31%

11White County, ININ25,1642−84%

12Ohio County, ININ5,9942−11%

13Warren County, ININ8,4742+36%

14Dubois County, ININ44,0162−68%

15Clay County, ININ26,4103−1%

16Fountain County, ININ17,0133−20%

17Harrison County, ININ40,4373−30%

18Morgan County, ININ74,9673+6%

19Jennings County, ININ27,6223−34%

20Lawrence County, ININ45,5683−28%

21Sullivan County, ININ20,8313−78%

22Owen County, ININ21,8863+1%

23Boone County, ININ80,6893−40%

24Union County, ININ6,8633+63%

25Greene County, ININ31,1653+14%

26Jackson County, ININ47,3703−68%

27Randolph County, ININ24,4383−19%

28Benton County, ININ8,8833−54%

29Franklin County, ININ23,2863+94%

30Decatur County, ININ26,5763+4%

31Scott County, ININ25,0533+17%

32Dearborn County, ININ51,6093−5%

33Whitley County, ININ35,0464+11%

34Rush County, ININ16,7674−8%

35Steuben County, ININ34,7994−47%

36Orange County, ININ19,8344+15%

37DeKalb County, ININ44,5354−32%

38Tipton County, ININ15,3194−7%

39Parke County, ININ16,6424−47%

40Hancock County, ININ90,9694+6%

41Posey County, ININ24,9884+7%

42Blackford County, ININ11,7304+95%

43Jasper County, ININ33,8944−41%

44Wells County, ININ28,8834−3%

45Perry County, ININ19,3894−22%

46Henry County, ININ49,1374−4%

47Newton County, ININ14,1884−44%

48Huntington County, ININ37,2245+27%

49Shelby County, ININ45,8825−25%

50Pulaski County, ININ12,4635−25%

51Jay County, ININ20,1185−20%

52Montgomery County, ININ38,9545−31%

53Spencer County, ININ20,0615−10%

54Warrick County, ININ66,8035−11%

55Cass County, ININ37,8365−74%

56Hendricks County, ININ193,5105−24%

57LaGrange County, ININ41,3056−36%

58Wabash County, ININ30,7136+15%

59Noble County, ININ47,9376−68%

60Fulton County, ININ20,0916−30%

61Fayette County, ININ23,5336−1%

62Jefferson County, ININ33,2796−19%

63Hamilton County, ININ387,0366−53%

64Gibson County, ININ33,0916−18%

65Starke County, ININ23,4256−1%

66Marshall County, ININ46,5997−57%

67Knox County, ININ35,6527−16%

68Johnson County, ININ174,2627−8%

69Clinton County, ININ33,3227−61%

70Bartholomew County, ININ85,7299−38%

71Kosciusko County, ININ80,8929−39%

72Adams County, ININ36,65010+11%

73Putnam County, ININ37,87610−8%

74Porter County, ININ176,04911−30%

75Floyd County, ININ82,15313−12%

76Wayne County, ININ66,16915−9%

77Monroe County, ININ143,34516−18%

78Clark County, ININ130,45116−24%

79Miami County, ININ34,48716+44%

80Delaware County, ININ113,10618−9%

81Tippecanoe County, ININ190,45618−36%

82Howard County, ININ83,90418−18%

83Vigo County, ININ106,51219−6%

84Elkhart County, ININ208,77419−44%

85Vanderburgh County, ININ181,99520−11%

86Madison County, ININ135,08821−8%

87Grant County, ININ66,52424−1%

88LaPorte County, ININ111,29426−15%

89St. Joseph County, ININ272,86131−20%

90Allen County, ININ402,32931−17%

91Marion County, ININ992,19646−17%

92Lake County, ININ504,61266−3%

SHOWING 1–92 OF 92

Download CSV (full list, 92 rows)How this score is calculated

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