RANKING · 2020 CENSUS · 102 SHOWN OF 102

Highest Black population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Black or African American (2020 American Community Survey). A concentration measure: Black residents as a percentage of total population. This list covers the 102 counties in Illinois that qualify, ranked against each other statewide.

IllinoisAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDHighest Asian household income Highest Black household income Highest Hispanic household income Highest White (non-Hispanic) household income Largest White (non-Hispanic) population Highest White (non-Hispanic) population share

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPBLACKVS 2000

01Alexander County, ILIL4,57030.8%−12%

02St. Clair County, ILIL250,70829.5%+3%

03Pulaski County, ILIL4,82028.2%−8%

04Cook County, ILIL5,194,62522.5%−13%

05Peoria County, ILIL178,55318.5%+16%

06Macon County, ILIL99,30018.2%+30%

07Brown County, ILIL6,40116.6%−8%

08Kankakee County, ILIL105,52514.3%−7%

09Jackson County, ILIL52,50114.2%+10%

10Vermilion County, ILIL71,25913.8%+32%

11Champaign County, ILIL209,97213.7%+24%

12Winnebago County, ILIL283,67413.4%+28%

13Sangamon County, ILIL194,17013.1%+36%

14Will County, ILIL712,25311.4%+10%

15Rock Island County, ILIL141,86911.2%+50%

16Johnson County, ILIL13,36310.7%−25%

17Stephenson County, ILIL43,2209.8%+29%

18Madison County, ILIL263,1109.3%+28%

19Lawrence County, ILIL13,7909.1%+1094%

20Knox County, ILIL47,7678.7%+40%

21DeKalb County, ILIL101,8358.7%+91%

22McLean County, ILIL171,4198.6%+41%

23Randolph County, ILIL29,9217.9%−15%

24Perry County, ILIL20,1607.9%−1%

25Jefferson County, ILIL36,1477.5%−3%

26Kendall County, ILIL145,4707.4%+479%

27Lake County, ILIL719,3396.6%−2%

28Bond County, ILIL16,9596.4%−13%

29Massac County, ILIL13,5026.2%+13%

30Morgan County, ILIL32,5156.0%+12%

31McDonough County, ILIL25,9165.5%+61%

32Cass County, ILIL12,4635.4%+1801%

33Lee County, ILIL32,9145.4%+10%

34Logan County, ILIL27,1825.3%−18%

35Kane County, ILIL525,7575.1%−9%

36DuPage County, ILIL934,2984.7%+59%

37Coles County, ILIL46,6074.4%+92%

38Carroll County, ILIL15,4194.3%+698%

39Williamson County, ILIL67,2254.2%+71%

40Schuyler County, ILIL6,6574.1%+1742%

41Marion County, ILIL36,3824.0%+5%

42Adams County, ILIL64,2673.7%+23%

43Fayette County, ILIL20,7903.6%−26%

44Warren County, ILIL16,2223.4%+117%

45Fulton County, ILIL32,9013.3%−8%

46Crawford County, ILIL18,6483.3%−28%

47Montgomery County, ILIL28,0763.2%−13%

48Clinton County, ILIL37,1283.1%−21%

49Livingston County, ILIL35,0573.0%−41%

50Saline County, ILIL22,7722.9%−28%

51LaSalle County, ILIL107,7732.3%+52%

52Boone County, ILIL53,5682.2%+160%

53Henry County, ILIL48,0952.1%+87%

54Grundy County, ILIL54,0521.6%+788%

55Whiteside County, ILIL54,1211.3%+40%

56McHenry County, ILIL317,7511.3%+148%

57Union County, ILIL16,6561.3%+61%

58Tazewell County, ILIL130,0491.2%+43%

59Christian County, ILIL33,4431.1%−48%

60Ogle County, ILIL51,3991.0%+162%

61Pope County, ILIL3,6721.0%−72%

62Macoupin County, ILIL43,7480.8%+1%

63Iroquois County, ILIL26,1500.8%+11%

64Bureau County, ILIL32,5100.8%+151%

65Marshall County, ILIL11,4730.7%+115%

66Jersey County, ILIL21,1600.7%+39%

67Woodford County, ILIL38,1110.7%+195%

68De Witt County, ILIL15,1180.7%+44%

69White County, ILIL13,2500.7%+152%

70Menard County, ILIL11,8630.7%+69%

71Washington County, ILIL13,5640.6%+91%

72Moultrie County, ILIL14,3710.6%+195%

73Wayne County, ILIL15,8820.6%+402%

74Ford County, ILIL13,2160.6%+125%

75Jo Daviess County, ILIL21,5940.5%+181%

76Gallatin County, ILIL4,6160.5%+104%

77Piatt County, ILIL16,7910.5%+109%

78Edgar County, ILIL16,3230.5%−74%

79Richland County, ILIL15,2190.5%+82%

80Wabash County, ILIL10,9070.5%+18%

81Putnam County, ILIL5,6190.5%−24%

82Henderson County, ILIL5,9840.5%+78%

83Hamilton County, ILIL7,8590.5%−32%

84Effingham County, ILIL34,5190.4%+171%

85Mercer County, ILIL15,2290.4%+53%

86Franklin County, ILIL36,9160.4%+193%

87Pike County, ILIL14,2310.4%−71%

88Hancock County, ILIL16,8030.4%+119%

89Mason County, ILIL12,4110.4%+216%

90Clark County, ILIL15,1140.3%+80%

91Douglas County, ILIL19,8800.3%+15%

92Monroe County, ILIL34,8400.3%+747%

93Stark County, ILIL5,3190.3%+398%

94Shelby County, ILIL20,5760.3%+103%

95Hardin County, ILIL3,5880.3%−89%

96Cumberland County, ILIL10,2080.3%+174%

97Edwards County, ILIL5,8980.3%+79%

98Jasper County, ILIL9,0320.2%+200%

99Clay County, ILIL12,7930.2%+105%

100Calhoun County, ILIL4,3000.2%–

101Greene County, ILIL11,3130.2%−80%

102Scott County, ILIL4,8660.1%+180%

SHOWING 1–102 OF 102

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS