RANKING · 2024 ACS · 79 SHOWN OF 79

Highest Subsaharan African population share, Illinois counties

Illinois counties ranked by the share of all residents who are Subsaharan African ancestry (2024 American Community Survey). A concentration measure: Subsaharan African residents as a percentage of total population. This list covers the 79 counties in Illinois that qualify, ranked against each other statewide. The median across all 79 is 0.2%. Biggest climber in the top 100 since 2020: Putnam County, IL, up 36 places to #39.

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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, ILIL105,5257.0%+6.8 pts

02▲3Will County, ILIL712,2532.9%+2.2 pts

03▲6Cass County, ILIL12,4632.8%+2.3 pts

04▲2Brown County, ILIL6,4012.8%+2.6 pts

05▼2Rock Island County, ILIL141,8692.1%+1.3 pts

06▲6Peoria County, ILIL178,5531.8%+1.5 pts

07▲1Cook County, ILIL5,194,6251.6%+0.6 pts

08▲3Champaign County, ILIL209,9721.5%−1.1 pts

09▲4McLean County, ILIL171,4191.4%+1.0 pts

10▲5McDonough County, ILIL25,9161.4%+1.3 pts

11▲17Sangamon County, ILIL194,1701.2%+0.7 pts

12▼5Knox County, ILIL47,7671.1%0.0 pts

13▲1Winnebago County, ILIL283,6741.0%+0.8 pts

14▲21Morgan County, ILIL32,5151.0%+0.4 pts

15▼13Warren County, ILIL16,2220.9%+0.7 pts

16▲5DuPage County, ILIL934,2980.7%+0.3 pts

17▲8Lake County, ILIL719,3390.6%+0.3 pts

18▲4DeKalb County, ILIL101,8350.6%+0.3 pts

19▲7Macon County, ILIL99,3000.6%+0.4 pts

20▼1Fulton County, ILIL32,9010.6%+0.4 pts

21▼5Kendall County, ILIL145,4700.6%+0.2 pts

22▲2St. Clair County, ILIL250,7080.6%0.0 pts

23▼13Jackson County, ILIL52,5010.5%−0.2 pts

24▼4Adams County, ILIL64,2670.5%+0.5 pts

25▲35Saline County, ILIL22,7720.5%+0.2 pts

26▲17Lawrence County, ILIL13,7900.5%+0.3 pts

27▲23Grundy County, ILIL54,0520.5%+0.4 pts

28▼11Madison County, ILIL263,1100.4%+0.1 pts

29▲27Johnson County, ILIL13,3630.4%+0.3 pts

30▼1Kane County, ILIL525,7570.4%+0.1 pts

31▲2Whiteside County, ILIL54,1210.4%+0.1 pts

32▲8McHenry County, ILIL317,7510.4%+0.1 pts

33Pulaski County, ILIL4,8200.4%−0.3 pts

34▼16Stephenson County, ILIL43,2200.3%+0.3 pts

35▲19Macoupin County, ILIL43,7480.3%+0.2 pts

36▼9Coles County, ILIL46,6070.3%+0.1 pts

37▲29Williamson County, ILIL67,2250.3%0.0 pts

38▲32Christian County, ILIL33,4430.3%+0.1 pts

39▲36Putnam County, ILIL5,6190.3%–

40▲8LaSalle County, ILIL107,7730.2%0.0 pts

41▲24Logan County, ILIL27,1820.2%−0.3 pts

42Hardin County, ILIL3,5880.2%−2.3 pts

43▲25Woodford County, ILIL38,1110.2%+0.1 pts

44▲2Tazewell County, ILIL130,0490.2%+0.1 pts

45▼14Livingston County, ILIL35,0570.2%−0.6 pts

46▼42Schuyler County, ILIL6,6570.2%–

47▼5Vermilion County, ILIL71,2590.2%−0.5 pts

48▼25Randolph County, ILIL29,9210.2%+0.1 pts

49▼5White County, ILIL13,2500.2%–

50▼5Richland County, ILIL15,2190.1%–

51▼15Jefferson County, ILIL36,1470.1%0.0 pts

52▲17Marion County, ILIL36,3820.1%0.0 pts

53▼6Franklin County, ILIL36,9160.1%–

54Shelby County, ILIL20,5760.1%+0.1 pts

55▼23Bond County, ILIL16,9590.1%−0.8 pts

56▲17Montgomery County, ILIL28,0760.1%0.0 pts

57▼8Boone County, ILIL53,5680.1%−0.2 pts

58▲9De Witt County, ILIL15,1180.1%−0.7 pts

59▼18Jersey County, ILIL21,1600.1%0.0 pts

60▲12Fayette County, ILIL20,7900.1%0.0 pts

61▲16Washington County, ILIL13,5640.1%–

62▲12Henry County, ILIL48,0950.1%−0.3 pts

63▲13Henderson County, ILIL5,9840.0%−0.1 pts

64Alexander County, ILIL4,5700.0%−0.7 pts

65▲14Hancock County, ILIL16,8030.0%–

66Jo Daviess County, ILIL21,5940.0%0.0 pts

67▼10Greene County, ILIL11,3130.0%−0.2 pts

68▼13Mason County, ILIL12,4110.0%–

69▲9Union County, ILIL16,6560.0%–

70▼40Massac County, ILIL13,5020.0%−0.3 pts

71▼18Bureau County, ILIL32,5100.0%–

72▼34Lee County, ILIL32,9140.0%0.0 pts

73▲9Clark County, ILIL15,1140.0%–

74▼37Ogle County, ILIL51,3990.0%−0.2 pts

75Edwards County, ILIL5,8980.0%–

76▼18Iroquois County, ILIL26,1500.0%0.0 pts

77▼38Effingham County, ILIL34,5190.0%–

78▼44Crawford County, ILIL18,6480.0%−0.3 pts

79▼18Douglas County, ILIL19,8800.0%–

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES