RANKING · 1990 CENSUS · 102 SHOWN OF 102

Highest Black population share, Illinois counties · 1990

Illinois counties ranked by the share of all residents who are Black or African American (1990 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 –

01Alexander County, ILIL4,57033.0%–

02Pulaski County, ILIL4,82032.9%–

03St. Clair County, ILIL250,70827.2%–

04Cook County, ILIL5,194,62525.8%–

05Kankakee County, ILIL105,52515.0%–

06Peoria County, ILIL178,55313.7%–

07Macon County, ILIL99,30012.1%–

08Will County, ILIL712,25310.6%–

09Jackson County, ILIL52,50110.4%–

10Champaign County, ILIL209,9729.6%–

11Brown County, ILIL6,4019.4%–

12Johnson County, ILIL13,3639.3%–

13Winnebago County, ILIL283,6749.1%–

14Vermilion County, ILIL71,2599.0%–

15Sangamon County, ILIL194,1708.1%–

16Randolph County, ILIL29,9218.0%–

17Rock Island County, ILIL141,8697.0%–

18Lake County, ILIL719,3396.7%–

19Madison County, ILIL263,1106.4%–

20Stephenson County, ILIL43,2206.3%–

21Massac County, ILIL13,5026.1%–

22Pope County, ILIL3,6726.0%–

23Kane County, ILIL525,7576.0%–

24Livingston County, ILIL35,0575.2%–

25Jefferson County, ILIL36,1475.2%–

26Knox County, ILIL47,7674.8%–

27McLean County, ILIL171,4194.2%–

28Logan County, ILIL27,1824.0%–

29Morgan County, ILIL32,5153.9%–

30Lee County, ILIL32,9143.6%–

31Marion County, ILIL36,3823.5%–

32McDonough County, ILIL25,9163.4%–

33Saline County, ILIL22,7723.4%–

34Clinton County, ILIL37,1283.2%–

35Fayette County, ILIL20,7902.9%–

36DeKalb County, ILIL101,8352.9%–

37Bond County, ILIL16,9592.8%–

38Adams County, ILIL64,2672.5%–

39DuPage County, ILIL934,2982.0%–

40Coles County, ILIL46,6071.9%–

41Williamson County, ILIL67,2251.9%–

42Warren County, ILIL16,2221.9%–

43Montgomery County, ILIL28,0761.8%–

44Perry County, ILIL20,1601.8%–

45Fulton County, ILIL32,9011.7%–

46Hardin County, ILIL3,5881.3%–

47Henry County, ILIL48,0951.2%–

48Lawrence County, ILIL13,7901.2%–

49Carroll County, ILIL15,4191.1%–

50LaSalle County, ILIL107,7731.0%–

51Edgar County, ILIL16,3231.0%–

52Gallatin County, ILIL4,6160.8%–

53Macoupin County, ILIL43,7480.8%–

54Union County, ILIL16,6560.7%–

55Boone County, ILIL53,5680.6%–

56Iroquois County, ILIL26,1500.5%–

57Whiteside County, ILIL54,1210.5%–

58Wabash County, ILIL10,9070.5%–

59Crawford County, ILIL18,6480.4%–

60Jersey County, ILIL21,1600.4%–

61De Witt County, ILIL15,1180.4%–

62White County, ILIL13,2500.3%–

63Kendall County, ILIL145,4700.3%–

64McHenry County, ILIL317,7510.2%–

65Stark County, ILIL5,3190.2%–

66Monroe County, ILIL34,8400.2%–

67Marshall County, ILIL11,4730.2%–

68Putnam County, ILIL5,6190.2%–

69Washington County, ILIL13,5640.2%–

70Mercer County, ILIL15,2290.2%–

71Tazewell County, ILIL130,0490.2%–

72Henderson County, ILIL5,9840.1%–

73Woodford County, ILIL38,1110.1%–

74Christian County, ILIL33,4430.1%–

75Ogle County, ILIL51,3990.1%–

76Wayne County, ILIL15,8820.1%–

77Bureau County, ILIL32,5100.1%–

78Jo Daviess County, ILIL21,5940.1%–

79Hamilton County, ILIL7,8590.1%–

80Ford County, ILIL13,2160.1%–

81Franklin County, ILIL36,9160.1%–

82Shelby County, ILIL20,5760.1%–

83Douglas County, ILIL19,8800.0%–

84Effingham County, ILIL34,5190.0%–

85Richland County, ILIL15,2190.0%–

86Clay County, ILIL12,7930.0%–

87Edwards County, ILIL5,8980.0%–

88Clark County, ILIL15,1140.0%–

89Scott County, ILIL4,8660.0%–

90Grundy County, ILIL54,0520.0%–

91Piatt County, ILIL16,7910.0%–

92Hancock County, ILIL16,8030.0%–

93Menard County, ILIL11,8630.0%–

94Calhoun County, ILIL4,3000.0%–

95Cumberland County, ILIL10,2080.0%–

96Cass County, ILIL12,4630.0%–

97Greene County, ILIL11,3130.0%–

98Jasper County, ILIL9,0320.0%–

99Mason County, ILIL12,4110.0%–

100Moultrie County, ILIL14,3710.0%–

101Pike County, ILIL14,2310.0%–

102Schuyler County, ILIL6,6570.0%–

SHOWING 1–102 OF 102

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS