Ranking of Illinois Counties By Percentage of Population with Subsaharan African Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 129.29K people in Illinois with Subsaharan African ancestry (1.01% of Illinois population). Among all Illinois counties, Kankakee County had the highest percentage of its population with Subsaharan African ancestry (7.97%), followed by Rock Island County (2.40%), and Will County (1.90%).
The chart and table below shows the top 10 counties with high percentage of its population having Subsaharan African ancestry.
You can see similar information for other states and for other ancestry groups in Illinois.
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Related Topics: Illinois ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Illinois Counties By Percentage of Population with Subsaharan African Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Kankakee County | 7.97 |
| 2 | Rock Island County | 2.40 |
| 3 | Will County | 1.90 |
| 4 | Schuyler County | 1.87 |
| 5 | Warren County | 1.81 |
| 6 | Cass County | 1.62 |
| 7 | Knox County | 1.51 |
| 8 | Champaign County | 1.32 |
| 9 | Brown County | 1.30 |
| 10 | Cook County | 1.29 |
| 11 | Peoria County | 1.25 |
| 12 | Winnebago County | 1.10 |
| 13 | Jackson County | 1.05 |
| 14 | McDonough County | 0.96 |
| 15 | Randolph County | 0.92 |
| 16 | McLean County | 0.81 |
| 17 | Stephenson County | 0.75 |
| 18 | DuPage County | 0.74 |
| 19 | DeKalb County | 0.66 |
| 20 | Fulton County | 0.63 |
| 20 | Lake County | 0.63 |
| 20 | Sangamon County | 0.63 |
| 21 | Madison County | 0.61 |
| 22 | Macon County | 0.60 |
| 23 | Coles County | 0.58 |
| 23 | St. Clair County | 0.58 |
| 24 | Adams County | 0.56 |
| 25 | Kendall County | 0.53 |
| 26 | Livingston County | 0.52 |
| 27 | Morgan County | 0.45 |
| 28 | Kane County | 0.41 |
| 29 | Whiteside County | 0.40 |
| 30 | Massac County | 0.37 |
| 31 | LaSalle County | 0.24 |
| 31 | McHenry County | 0.24 |
| 32 | Grundy County | 0.23 |
| 32 | Jefferson County | 0.23 |
| 32 | Lawrence County | 0.23 |
| 33 | Bond County | 0.21 |
| 33 | Jersey County | 0.21 |
| 33 | Ogle County | 0.21 |
| 33 | Tazewell County | 0.21 |
| 34 | Hardin County | 0.19 |
| 34 | White County | 0.19 |
| 35 | Richland County | 0.18 |
| 35 | Vermilion County | 0.18 |
| 36 | Woodford County | 0.17 |
| 37 | Macoupin County | 0.15 |
| 38 | Franklin County | 0.12 |
| 38 | Lee County | 0.12 |
| 38 | Perry County | 0.12 |
| 39 | Christian County | 0.10 |
| 40 | Greene County | 0.09 |
| 40 | Logan County | 0.09 |
| 41 | Bureau County | 0.08 |
| 41 | Iroquois County | 0.08 |
| 42 | Crawford County | 0.07 |
| 42 | Johnson County | 0.07 |
| 42 | Monroe County | 0.07 |
| 43 | Hancock County | 0.06 |
| 43 | Marshall County | 0.06 |
| 43 | Pulaski County | 0.06 |
| 43 | Saline County | 0.06 |
| 44 | Edgar County | 0.04 |
| 44 | Effingham County | 0.04 |
| 44 | Fayette County | 0.04 |
| 44 | Ford County | 0.04 |
| 45 | De Witt County | 0.03 |
| 45 | Henry County | 0.03 |
| 45 | Marion County | 0.03 |
| 45 | Mason County | 0.03 |
| 45 | Union County | 0.03 |
| 45 | Williamson County | 0.03 |
| 46 | Clinton County | 0.02 |
| 46 | Henderson County | 0.02 |
| 46 | Putnam County | 0.02 |
| 47 | Carroll County | 0.01 |
| 47 | Douglas County | 0.01 |
| 47 | Montgomery County | 0.01 |