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 (2023 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.

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

Highest Subsaharan African population share by state

RANKPLACESTATEPOPSUBSAHARAN AFRICAN SHAREVS 2000

01Kankakee County, ILIL105,5257.7%–

02Warren County, ILIL16,2222.2%–

03Rock Island County, ILIL141,8692.1%–

04Schuyler County, ILIL6,6571.9%–

05Will County, ILIL712,2531.6%–

06Brown County, ILIL6,4011.3%–

07Knox County, ILIL47,7671.2%–

08Cook County, ILIL5,194,6251.2%–

09Cass County, ILIL12,4631.2%–

10Jackson County, ILIL52,5011.2%–

11Champaign County, ILIL209,9721.2%–

12Peoria County, ILIL178,5531.0%–

13McLean County, ILIL171,4191.0%–

14Winnebago County, ILIL283,6740.9%–

15McDonough County, ILIL25,9160.9%–

16Kendall County, ILIL145,4700.8%–

17Madison County, ILIL263,1100.8%–

18Stephenson County, ILIL43,2200.7%–

19Fulton County, ILIL32,9010.7%–

20Adams County, ILIL64,2670.7%–

21DuPage County, ILIL934,2980.7%–

22DeKalb County, ILIL101,8350.7%–

23Randolph County, ILIL29,9210.6%–

24St. Clair County, ILIL250,7080.6%–

25Lake County, ILIL719,3390.6%–

26Macon County, ILIL99,3000.6%–

27Coles County, ILIL46,6070.6%–

28Sangamon County, ILIL194,1700.5%–

29Kane County, ILIL525,7570.5%–

30Massac County, ILIL13,5020.4%–

31Livingston County, ILIL35,0570.4%–

32Bond County, ILIL16,9590.3%–

33Whiteside County, ILIL54,1210.3%–

34Crawford County, ILIL18,6480.3%–

35Morgan County, ILIL32,5150.3%–

36Jefferson County, ILIL36,1470.3%–

37Ogle County, ILIL51,3990.3%–

38Lee County, ILIL32,9140.3%–

39Effingham County, ILIL34,5190.2%–

40McHenry County, ILIL317,7510.2%–

41Jersey County, ILIL21,1600.2%–

42Vermilion County, ILIL71,2590.2%–

43Lawrence County, ILIL13,7900.2%–

44White County, ILIL13,2500.2%–

45Richland County, ILIL15,2190.2%–

46Tazewell County, ILIL130,0490.2%–

47Franklin County, ILIL36,9160.2%–

48LaSalle County, ILIL107,7730.2%–

49Boone County, ILIL53,5680.1%–

50Grundy County, ILIL54,0520.1%–

51Perry County, ILIL20,1600.1%–

52Ford County, ILIL13,2160.1%–

53Bureau County, ILIL32,5100.1%–

54Macoupin County, ILIL43,7480.1%–

55Mason County, ILIL12,4110.1%–

56Johnson County, ILIL13,3630.1%–

57Greene County, ILIL11,3130.1%–

58Iroquois County, ILIL26,1500.1%–

59Monroe County, ILIL34,8400.1%–

60Saline County, ILIL22,7720.1%–

61Douglas County, ILIL19,8800.1%–

62Piatt County, ILIL16,7910.1%–

63Edgar County, ILIL16,3230.1%–

64Marshall County, ILIL11,4730.1%–

65Logan County, ILIL27,1820.0%–

66Williamson County, ILIL67,2250.0%–

67De Witt County, ILIL15,1180.0%–

68Woodford County, ILIL38,1110.0%–

69Marion County, ILIL36,3820.0%–

70Christian County, ILIL33,4430.0%–

71Clinton County, ILIL37,1280.0%–

72Fayette County, ILIL20,7900.0%–

73Montgomery County, ILIL28,0760.0%–

74Henry County, ILIL48,0950.0%–

75Putnam County, ILIL5,6190.0%–

76Henderson County, ILIL5,9840.0%–

77Washington County, ILIL13,5640.0%–

78Union County, ILIL16,6560.0%–

79Hancock County, ILIL16,8030.0%–

80Carroll County, ILIL15,4190.0%–

81Mercer County, ILIL15,2290.0%–

82Clark County, ILIL15,1140.0%–

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