RANKING · 2024 ACS · 102 SHOWN OF 102

Least racially diverse, Illinois counties

Illinois counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (2023 ACS). This list covers the 102 counties in Illinois that qualify, ranked against each other statewide.

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IllinoisAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

01Jasper County, ILIL9,0328+321%

02Shelby County, ILIL20,57610+367%

03Greene County, ILIL11,31310+201%

04Edgar County, ILIL16,32310+48%

05Hardin County, ILIL3,58810−1%

06Scott County, ILIL4,86611+1187%

07White County, ILIL13,25011+319%

08Moultrie County, ILIL14,37112+518%

09Cumberland County, ILIL10,20812+461%

10Gallatin County, ILIL4,61612+307%

11Monroe County, ILIL34,84012+346%

12Clark County, ILIL15,11412+650%

13Wayne County, ILIL15,88212+362%

14Clay County, ILIL12,79312+304%

15Washington County, ILIL13,56413+313%

16Piatt County, ILIL16,79113+417%

17Menard County, ILIL11,86313+288%

18Edwards County, ILIL5,89813+427%

19Hamilton County, ILIL7,85913+256%

20Pike County, ILIL14,23113+132%

21Jersey County, ILIL21,16013+241%

22Calhoun County, ILIL4,30014+572%

23Effingham County, ILIL34,51914+360%

24Mason County, ILIL12,41114+586%

25Franklin County, ILIL36,91614+486%

26Hancock County, ILIL16,80314+511%

27Henderson County, ILIL5,98415+390%

28Macoupin County, ILIL43,74816+288%

29Woodford County, ILIL38,11116+412%

30Wabash County, ILIL10,90716+300%

31Richland County, ILIL15,21916+298%

32Mercer County, ILIL15,22916+283%

33De Witt County, ILIL15,11817+243%

34Marshall County, ILIL11,47319+377%

35Jo Daviess County, ILIL21,59419+311%

36Tazewell County, ILIL130,04919+221%

37Fulton County, ILIL32,90120+59%

38Montgomery County, ILIL28,07620+62%

39Saline County, ILIL22,77220+62%

40Christian County, ILIL33,44321+148%

41Stark County, ILIL5,31922+689%

42Crawford County, ILIL18,64823+45%

43Schuyler County, ILIL6,65723+997%

44Clinton County, ILIL37,12823+65%

45Adams County, ILIL64,26723+123%

46Union County, ILIL16,65624+168%

47Ford County, ILIL13,21625+447%

48Marion County, ILIL36,38225+96%

49Pope County, ILIL3,67226+123%

50Putnam County, ILIL5,61926+192%

51Fayette County, ILIL20,79027+93%

52Coles County, ILIL46,60728+156%

53Williamson County, ILIL67,22528+172%

54Carroll County, ILIL15,41928+280%

55Livingston County, ILIL35,05728+47%

56Douglas County, ILIL19,88028+193%

57Iroquois County, ILIL26,15029+146%

58Morgan County, ILIL32,51529+73%

59Henry County, ILIL48,09530+186%

60Massac County, ILIL13,50231+100%

61Logan County, ILIL27,18232+57%

62Bond County, ILIL16,95932+52%

63Randolph County, ILIL29,92133+32%

64McDonough County, ILIL25,91634+102%

65Perry County, ILIL20,16034+46%

66Bureau County, ILIL32,51034+149%

67Lawrence County, ILIL13,79036+717%

68Jefferson County, ILIL36,14736+64%

69Lee County, ILIL32,91437+81%

70Ogle County, ILIL51,39937+129%

71Grundy County, ILIL54,05238+242%

72LaSalle County, ILIL107,77339+126%

73Madison County, ILIL263,11040+83%

74Whiteside County, ILIL54,12141+75%

75Warren County, ILIL16,22241+264%

76Johnson County, ILIL13,36343+17%

77Knox County, ILIL47,76744+81%

78Stephenson County, ILIL43,22045+98%

79Sangamon County, ILIL194,17048+78%

80Vermilion County, ILIL71,25948+53%

81McHenry County, ILIL317,75149+123%

82McLean County, ILIL171,41950+101%

83Brown County, ILIL6,40152+15%

84Macon County, ILIL99,30054+60%

85Cass County, ILIL12,46357+174%

86Jackson County, ILIL52,50158+45%

87DeKalb County, ILIL101,83558+89%

88Boone County, ILIL53,56859+93%

89Alexander County, ILIL4,57062+3%

90Kankakee County, ILIL105,52563+43%

91Pulaski County, ILIL4,82063+9%

92Rock Island County, ILIL141,86964+69%

93Peoria County, ILIL178,55365+57%

94Winnebago County, ILIL283,67469+66%

95Kendall County, ILIL145,47069+210%

96DuPage County, ILIL934,29871+64%

97St. Clair County, ILIL250,70871+25%

98Champaign County, ILIL209,97271+61%

99Kane County, ILIL525,75774+26%

100Will County, ILIL712,25375+64%

101Lake County, ILIL719,33976+46%

102Cook County, ILIL5,194,62589+9%

SHOWING 1–102 OF 102

Download CSV (full list, 102 rows)How this score is calculated

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