CensusEasy
RANKING · 1990 CENSUS · 92 SHOWN OF 92

Most racially diverse, Indiana counties · 1990

Indiana counties ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different 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.

Flip the list · Least racially diverse, US counties →
Most racially diverse by state
RANKPLACESTATEPOPDIVERSITY SCOREVS –
01Lake County, ININ504,61262–
02Marion County, ININ992,19646–
03Allen County, ININ402,32929–
04St. Joseph County, ININ272,86129–
05LaPorte County, ININ111,29425–
06Grant County, ININ66,52422–
07Vanderburgh County, ININ181,99520–
08Madison County, ININ135,08820–
09Vigo County, ININ106,51218–
10Howard County, ININ83,90418–
11Elkhart County, ININ208,77418–
12Delaware County, ININ113,10617–
13Tippecanoe County, ININ190,45617–
14Clark County, ININ130,45116–
15Miami County, ININ34,48716–
16Monroe County, ININ143,34516–
17Wayne County, ININ66,16915–
18Floyd County, ININ82,15312–
19Porter County, ININ176,04910–
20Putnam County, ININ37,87610–
22Kosciusko County, ININ80,8928–
23Adams County, ININ36,6507–
24Johnson County, ININ174,2627–
25Knox County, ININ35,6526–
26Gibson County, ININ33,0916–
27Hamilton County, ININ387,0366–
28Starke County, ININ23,4256–
29Jefferson County, ININ33,2796–
30Fayette County, ININ23,5336–
31Noble County, ININ47,9375–
32Fulton County, ININ20,0915–
33Cass County, ININ37,8365–
34Clinton County, ININ33,3225–
35Hendricks County, ININ193,5105–
36Warrick County, ININ66,8035–
37Wabash County, ININ30,7135–
38Spencer County, ININ20,0615–
39LaGrange County, ININ41,3055–
40Marshall County, ININ46,5995–
41Pulaski County, ININ12,4635–
42Montgomery County, ININ38,9544–
43Shelby County, ININ45,8824–
44Newton County, ININ14,1884–
45Henry County, ININ49,1374–
46Huntington County, ININ37,2244–
47Jay County, ININ20,1184–
48Perry County, ININ19,3894–
49Blackford County, ININ11,7304–
50Posey County, ININ24,9884–
51Orange County, ININ19,8344–
52Parke County, ININ16,6424–
53Steuben County, ININ34,7994–
54Wells County, ININ28,8834–
55Jasper County, ININ33,8943–
56Rush County, ININ16,7673–
57Dearborn County, ININ51,6093–
58Hancock County, ININ90,9693–
59Decatur County, ININ26,5763–
60DeKalb County, ININ44,5353–
61Franklin County, ININ23,2863–
62Whitley County, ININ35,0463–
63Randolph County, ININ24,4383–
64Jackson County, ININ47,3703–
65Sullivan County, ININ20,8313–
66Lawrence County, ININ45,5683–
67Owen County, ININ21,8863–
68Tipton County, ININ15,3193–
69Boone County, ININ80,6893–
70Scott County, ININ25,0533–
71Harrison County, ININ40,4373–
72Jennings County, ININ27,6222–
73Union County, ININ6,8632–
74Benton County, ININ8,8832–
75Greene County, ININ31,1652–
76Dubois County, ININ44,0162–
77Clay County, ININ26,4102–
78Ohio County, ININ5,9942–
79Morgan County, ININ74,9672–
80Brown County, ININ15,7772–
81Warren County, ININ8,4742–
82Crawford County, ININ10,5092–
83White County, ININ25,1642–
84Vermillion County, ININ15,4882–
85Fountain County, ININ17,0132–
86Ripley County, ININ29,4342–
87Washington County, ININ28,3832–
89Pike County, ININ12,0031–
90Carroll County, ININ20,6551–
91Martin County, ININ9,8561–
92Daviess County, ININ34,2091–
SHOWING 1–92 OF 92

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