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 (1990 ACS). This list covers the 92 counties in Indiana that qualify, ranked against each other statewide. The median across all 92 is 4.

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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

RANKPLACESTATEPOPDIVERSITY SCOREVS –

01Daviess County, ININ34,2091–

02Martin County, ININ9,8561–

03Carroll County, ININ20,6551–

04Pike County, ININ12,0031–

05Switzerland County, ININ10,0372–

06Washington County, ININ28,3832–

07Ripley County, ININ29,4342–

08Fountain County, ININ17,0132–

09Vermillion County, ININ15,4882–

10White County, ININ25,1642–

11Crawford County, ININ10,5092–

12Warren County, ININ8,4742–

13Brown County, ININ15,7772–

14Morgan County, ININ74,9672–

15Ohio County, ININ5,9942–

16Clay County, ININ26,4102–

17Dubois County, ININ44,0162–

18Greene County, ININ31,1652–

19Benton County, ININ8,8832–

20Union County, ININ6,8632–

21Jennings County, ININ27,6222–

22Harrison County, ININ40,4373–

23Scott County, ININ25,0533–

24Boone County, ININ80,6893–

25Tipton County, ININ15,3193–

26Owen County, ININ21,8863–

27Lawrence County, ININ45,5683–

28Sullivan County, ININ20,8313–

29Jackson County, ININ47,3703–

30Randolph County, ININ24,4383–

31Whitley County, ININ35,0463–

32Franklin County, ININ23,2863–

33DeKalb County, ININ44,5353–

34Decatur County, ININ26,5763–

35Hancock County, ININ90,9693–

36Dearborn County, ININ51,6093–

37Rush County, ININ16,7673–

38Jasper County, ININ33,8943–

39Wells County, ININ28,8834–

40Steuben County, ININ34,7994–

41Parke County, ININ16,6424–

42Orange County, ININ19,8344–

43Posey County, ININ24,9884–

44Blackford County, ININ11,7304–

45Perry County, ININ19,3894–

46Jay County, ININ20,1184–

47Huntington County, ININ37,2244–

48Henry County, ININ49,1374–

49Newton County, ININ14,1884–

50Shelby County, ININ45,8824–

51Montgomery County, ININ38,9544–

52Pulaski County, ININ12,4635–

53Marshall County, ININ46,5995–

54LaGrange County, ININ41,3055–

55Spencer County, ININ20,0615–

56Wabash County, ININ30,7135–

57Warrick County, ININ66,8035–

58Hendricks County, ININ193,5105–

59Clinton County, ININ33,3225–

60Cass County, ININ37,8365–

61Fulton County, ININ20,0915–

62Noble County, ININ47,9375–

63Fayette County, ININ23,5336–

64Jefferson County, ININ33,2796–

65Starke County, ININ23,4256–

66Hamilton County, ININ387,0366–

67Gibson County, ININ33,0916–

68Knox County, ININ35,6526–

69Johnson County, ININ174,2627–

70Adams County, ININ36,6507–

71Kosciusko County, ININ80,8928–

72Bartholomew County, ININ85,7298–

73Putnam County, ININ37,87610–

74Porter County, ININ176,04910–

75Floyd County, ININ82,15312–

76Wayne County, ININ66,16915–

77Monroe County, ININ143,34516–

78Miami County, ININ34,48716–

79Clark County, ININ130,45116–

80Tippecanoe County, ININ190,45617–

81Delaware County, ININ113,10617–

82Elkhart County, ININ208,77418–

83Howard County, ININ83,90418–

84Vigo County, ININ106,51218–

85Madison County, ININ135,08820–

86Vanderburgh County, ININ181,99520–

87Grant County, ININ66,52422–

88LaPorte County, ININ111,29425–

89St. Joseph County, ININ272,86129–

90Allen County, ININ402,32929–

91Marion County, ININ992,19646–

92Lake County, ININ504,61262–

SHOWING 1–92 OF 92

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

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