RANKING · 2020 CENSUS · 82 SHOWN OF 82

Highest Subsaharan African population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Subsaharan African ancestry (2020 American Community Survey). A concentration measure: Subsaharan African residents as a percentage of total population. This list covers the 82 counties in Illinois that qualify, ranked against each other statewide. The median across all 82 is 0.2%.

Subsaharan African Americans: full group profile →

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

Highest Subsaharan African population share by state

RANKPLACESTATEPOPSUBSAHARAN AFRICAN SHAREVS 2010

01Kankakee County, ILIL105,5257.7%+7.4 pts

02Warren County, ILIL16,2222.2%+2.0 pts

03Rock Island County, ILIL141,8692.1%+1.3 pts

04Schuyler County, ILIL6,6571.9%–

05Will County, ILIL712,2531.6%+0.9 pts

06Brown County, ILIL6,4011.3%+1.2 pts

07Knox County, ILIL47,7671.2%+0.1 pts

08Cook County, ILIL5,194,6251.2%+0.3 pts

09Cass County, ILIL12,4631.2%+0.8 pts

10Jackson County, ILIL52,5011.2%+0.5 pts

11Champaign County, ILIL209,9721.2%−1.5 pts

12Peoria County, ILIL178,5531.0%+0.7 pts

13McLean County, ILIL171,4191.0%+0.5 pts

14Winnebago County, ILIL283,6740.9%+0.7 pts

15McDonough County, ILIL25,9160.9%+0.7 pts

16Kendall County, ILIL145,4700.8%+0.4 pts

17Madison County, ILIL263,1100.8%+0.5 pts

18Stephenson County, ILIL43,2200.7%+0.7 pts

19Fulton County, ILIL32,9010.7%+0.5 pts

20Adams County, ILIL64,2670.7%+0.6 pts

21DuPage County, ILIL934,2980.7%+0.3 pts

22DeKalb County, ILIL101,8350.7%+0.3 pts

23Randolph County, ILIL29,9210.6%+0.6 pts

24St. Clair County, ILIL250,7080.6%+0.1 pts

25Lake County, ILIL719,3390.6%+0.3 pts

26Macon County, ILIL99,3000.6%+0.4 pts

27Coles County, ILIL46,6070.6%+0.4 pts

28Sangamon County, ILIL194,1700.5%+0.1 pts

29Kane County, ILIL525,7570.5%+0.2 pts

30Massac County, ILIL13,5020.4%+0.1 pts

31Livingston County, ILIL35,0570.4%−0.4 pts

32Bond County, ILIL16,9590.3%−0.6 pts

33Whiteside County, ILIL54,1210.3%0.0 pts

34Crawford County, ILIL18,6480.3%−0.1 pts

35Morgan County, ILIL32,5150.3%−0.3 pts

36Jefferson County, ILIL36,1470.3%+0.2 pts

37Ogle County, ILIL51,3990.3%+0.1 pts

38Lee County, ILIL32,9140.3%+0.2 pts

39Effingham County, ILIL34,5190.2%–

40McHenry County, ILIL317,7510.2%−0.1 pts

41Jersey County, ILIL21,1600.2%+0.1 pts

42Vermilion County, ILIL71,2590.2%−0.5 pts

43Lawrence County, ILIL13,7900.2%+0.1 pts

44White County, ILIL13,2500.2%–

45Richland County, ILIL15,2190.2%–

46Tazewell County, ILIL130,0490.2%+0.1 pts

47Franklin County, ILIL36,9160.2%–

48LaSalle County, ILIL107,7730.2%−0.1 pts

49Boone County, ILIL53,5680.1%−0.2 pts

50Grundy County, ILIL54,0520.1%0.0 pts

51Perry County, ILIL20,1600.1%0.0 pts

52Ford County, ILIL13,2160.1%–

53Bureau County, ILIL32,5100.1%–

54Macoupin County, ILIL43,7480.1%0.0 pts

55Mason County, ILIL12,4110.1%–

56Johnson County, ILIL13,3630.1%0.0 pts

57Greene County, ILIL11,3130.1%−0.1 pts

58Iroquois County, ILIL26,1500.1%0.0 pts

59Monroe County, ILIL34,8400.1%0.0 pts

60Saline County, ILIL22,7720.1%−0.2 pts

61Douglas County, ILIL19,8800.1%–

62Piatt County, ILIL16,7910.1%–

63Edgar County, ILIL16,3230.1%–

64Marshall County, ILIL11,4730.1%0.0 pts

65Logan County, ILIL27,1820.0%−0.5 pts

66Williamson County, ILIL67,2250.0%−0.2 pts

67De Witt County, ILIL15,1180.0%−0.8 pts

68Woodford County, ILIL38,1110.0%−0.1 pts

69Marion County, ILIL36,3820.0%−0.2 pts

70Christian County, ILIL33,4430.0%−0.2 pts

71Clinton County, ILIL37,1280.0%0.0 pts

72Fayette County, ILIL20,7900.0%−0.1 pts

73Montgomery County, ILIL28,0760.0%−0.1 pts

74Henry County, ILIL48,0950.0%−0.3 pts

75Putnam County, ILIL5,6190.0%–

76Henderson County, ILIL5,9840.0%−0.1 pts

77Washington County, ILIL13,5640.0%–

78Union County, ILIL16,6560.0%–

79Hancock County, ILIL16,8030.0%–

80Carroll County, ILIL15,4190.0%0.0 pts

81Mercer County, ILIL15,2290.0%0.0 pts

82Clark County, ILIL15,1140.0%–

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