Ranking of Illinois Counties By Percentage of Population that are Black or African American Alone in 2017
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2017, among all Illinois counties, Alexander County had the highest percentage of its population who identified their race as Black or African American Alone (33.4%), followed by Pulaski County (30.48%), and St. Clair County (30.44%).
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 2017
Items per page:
25
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Alexander County | 33.4 |
| 2 | Pulaski County | 30.48 |
| 3 | St. Clair County | 30.44 |
| 4 | Cook County | 24.07 |
| 5 | Peoria County | 18.69 |
| 6 | Brown County | 18.61 |
| 7 | Macon County | 17.51 |
| 8 | Jackson County | 15.22 |
| 9 | Kankakee County | 15.19 |
| 10 | Vermilion County | 14.02 |
| 11 | Champaign County | 13.62 |
| 12 | Winnebago County | 13.49 |
| 13 | Sangamon County | 12.96 |
| 14 | Will County | 11.99 |
| 15 | Rock Island County | 10.82 |
| 16 | Randolph County | 10.4 |
| 17 | Stephenson County | 10.13 |
| 18 | Lawrence County | 9.89 |
| 19 | Jefferson County | 9.02 |
| 20 | Perry County | 8.85 |
| 21 | Madison County | 8.68 |
| 22 | Knox County | 8.4 |
| 23 | Logan County | 8.13 |
| 24 | McLean County | 8 |
| 25 | DeKalb County | 7.86 |
| 26 | Lake County | 7.5 |
| 27 | Kendall County | 7.42 |
| 28 | Johnson County | 7.11 |
| 29 | Morgan County | 6.98 |
| 30 | Bond County | 6.08 |
| 31 | Kane County | 6.07 |
| 32 | Massac County | 5.95 |
| 33 | McDonough County | 5.51 |
| 34 | Lee County | 5.46 |
| 35 | Pope County | 5.25 |
| 36 | DuPage County | 5.18 |
| 37 | Crawford County | 5.03 |
| 38 | Cass County | 4.95 |
| 39 | Williamson County | 4.6 |
| 40 | Fayette County | 4.4 |
| 41 | Marion County | 4.25 |
| 42 | Livingston County | 4.07 |
| 42 | Schuyler County | 4.07 |
| 43 | Coles County | 3.98 |
| 44 | Fulton County | 3.94 |
| 45 | Adams County | 3.9 |
| 46 | Saline County | 3.82 |
| 47 | Clinton County | 3.63 |
| 48 | Montgomery County | 3.52 |
| 49 | Warren County | 2.88 |
| 50 | LaSalle County | 2.75 |
| 51 | Boone County | 2.64 |
| 52 | Henry County | 1.89 |
| 53 | Whiteside County | 1.84 |
| 54 | McHenry County | 1.64 |
| 55 | Grundy County | 1.63 |
| 56 | Christian County | 1.6 |
| 57 | Pike County | 1.39 |
| 58 | Tazewell County | 1.31 |
| 59 | Greene County | 1.23 |
| 60 | Ogle County | 1.2 |
| 61 | Union County | 1.18 |
| 62 | Iroquois County | 1.13 |
| 63 | Carroll County | 1.05 |
| 63 | Ford County | 1.05 |
| 64 | Washington County | 1 |
| 65 | Macoupin County | 0.96 |
| 65 | Menard County | 0.96 |
| 66 | Bureau County | 0.94 |
| 67 | Wabash County | 0.91 |
| 68 | Putnam County | 0.9 |
| 69 | De Witt County | 0.85 |
| 70 | Jersey County | 0.78 |
| 71 | White County | 0.74 |
| 72 | Stark County | 0.73 |
| 73 | Richland County | 0.71 |
| 73 | Woodford County | 0.71 |
| 74 | Piatt County | 0.7 |
| 75 | Mercer County | 0.69 |
| 76 | Douglas County | 0.68 |
| 76 | Marshall County | 0.68 |
| 77 | Jo Daviess County | 0.66 |
| 78 | Gallatin County | 0.63 |
| 79 | Mason County | 0.61 |
| 80 | Edgar County | 0.59 |
| 81 | Franklin County | 0.58 |
| 82 | Moultrie County | 0.56 |
| 82 | Wayne County | 0.56 |
| 83 | Hamilton County | 0.55 |
| 83 | Hancock County | 0.55 |
| 84 | Edwards County | 0.54 |
| 85 | Effingham County | 0.5 |
| 86 | Hardin County | 0.49 |
| 87 | Scott County | 0.48 |
| 88 | Clark County | 0.47 |
| 88 | Cumberland County | 0.47 |
| 89 | Clay County | 0.45 |
| 90 | Calhoun County | 0.41 |
| 91 | Monroe County | 0.39 |
| 92 | Henderson County | 0.35 |
| 93 | Shelby County | 0.32 |
| 94 | Jasper County | 0.21 |