Ranking of Illinois Counties By Percentage of Population that are Black or African American Alone in 2018
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2018, among all Illinois counties, Alexander County had the highest percentage of its population who identified their race as Black or African American Alone (32.32%), followed by Pulaski County (30.61%), and St. Clair County (30.59%).
The chart below shows the top 10 counties, and the table below shows the ranking of all Illinois counties.
You can see similar ranking information for other racial and ethnicity groups in the United States.
You can also see similar information for other states, and also the ranking of all counties in the United States.
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Related Topics: Illinois Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Ranking of Illinois Counties By Percentage of Pop. that are
Black or African American Alone in 2018
Items per page:
25
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Alexander County | 32.32 |
| 2 | Pulaski County | 30.61 |
| 3 | St. Clair County | 30.59 |
| 4 | Cook County | 23.97 |
| 5 | Peoria County | 18.88 |
| 6 | Brown County | 18.77 |
| 7 | Macon County | 17.64 |
| 8 | Jackson County | 15.32 |
| 9 | Kankakee County | 15.16 |
| 10 | Vermilion County | 14.07 |
| 11 | Winnebago County | 13.85 |
| 12 | Champaign County | 13.81 |
| 13 | Sangamon County | 12.99 |
| 14 | Will County | 12.17 |
| 15 | Rock Island County | 11.03 |
| 16 | Randolph County | 10.49 |
| 17 | Stephenson County | 10.3 |
| 18 | Lawrence County | 10.04 |
| 19 | Perry County | 8.89 |
| 20 | Jefferson County | 8.88 |
| 21 | Madison County | 8.83 |
| 22 | Knox County | 8.32 |
| 23 | McLean County | 8.24 |
| 24 | Logan County | 8.18 |
| 25 | DeKalb County | 8.1 |
| 26 | Kendall County | 7.64 |
| 27 | Lake County | 7.52 |
| 28 | Johnson County | 7.12 |
| 29 | Morgan County | 6.92 |
| 30 | Bond County | 6.13 |
| 31 | Massac County | 6.11 |
| 32 | Kane County | 6.06 |
| 33 | McDonough County | 5.71 |
| 34 | Lee County | 5.48 |
| 35 | Pope County | 5.33 |
| 36 | Cass County | 5.23 |
| 36 | DuPage County | 5.23 |
| 37 | Crawford County | 5.15 |
| 38 | Williamson County | 4.68 |
| 39 | Fayette County | 4.49 |
| 40 | Marion County | 4.33 |
| 41 | Schuyler County | 4.22 |
| 42 | Livingston County | 4.14 |
| 43 | Coles County | 3.97 |
| 43 | Fulton County | 3.97 |
| 44 | Adams County | 3.87 |
| 45 | Saline County | 3.84 |
| 46 | Clinton County | 3.72 |
| 47 | Montgomery County | 3.54 |
| 48 | LaSalle County | 2.85 |
| 49 | Boone County | 2.83 |
| 50 | Warren County | 2.81 |
| 51 | Henry County | 1.97 |
| 52 | Whiteside County | 1.89 |
| 53 | Grundy County | 1.78 |
| 54 | McHenry County | 1.69 |
| 55 | Christian County | 1.63 |
| 56 | Pike County | 1.41 |
| 57 | Tazewell County | 1.35 |
| 58 | Greene County | 1.31 |
| 59 | Ogle County | 1.26 |
| 60 | Union County | 1.22 |
| 61 | Iroquois County | 1.16 |
| 62 | Ford County | 1.11 |
| 63 | Carroll County | 1.06 |
| 64 | Macoupin County | 1 |
| 64 | Stark County | 1 |
| 65 | Bureau County | 0.99 |
| 66 | Washington County | 0.97 |
| 67 | Menard County | 0.91 |
| 67 | Wabash County | 0.91 |
| 68 | Putnam County | 0.87 |
| 69 | De Witt County | 0.86 |
| 70 | Jersey County | 0.8 |
| 70 | Mercer County | 0.8 |
| 70 | Richland County | 0.8 |
| 71 | Marshall County | 0.79 |
| 72 | Piatt County | 0.74 |
| 73 | Hamilton County | 0.7 |
| 73 | White County | 0.7 |
| 74 | Woodford County | 0.69 |
| 75 | Gallatin County | 0.67 |
| 75 | Jo Daviess County | 0.67 |
| 75 | Mason County | 0.67 |
| 76 | Douglas County | 0.63 |
| 77 | Edgar County | 0.62 |
| 78 | Scott County | 0.61 |
| 79 | Franklin County | 0.6 |
| 79 | Hancock County | 0.6 |
| 80 | Moultrie County | 0.59 |
| 80 | Wayne County | 0.59 |
| 81 | Effingham County | 0.56 |
| 82 | Clay County | 0.53 |
| 83 | Edwards County | 0.52 |
| 83 | Hardin County | 0.52 |
| 84 | Cumberland County | 0.49 |
| 85 | Clark County | 0.44 |
| 86 | Calhoun County | 0.41 |
| 86 | Monroe County | 0.41 |
| 87 | Henderson County | 0.37 |
| 88 | Shelby County | 0.35 |
| 89 | Jasper County | 0.3 |