Ranking of Illinois Counties By Percentage of Population that are Black or African American Alone in 2019
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2019, among all Illinois counties, Alexander County had the highest percentage of its population who identified their race as Black or African American Alone (31.64%), followed by St. Clair County (30.62%), and Pulaski County (30.46%).
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 2019
25
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Alexander County | 31.64 |
| 2 | St. Clair County | 30.62 |
| 3 | Pulaski County | 30.46 |
| 4 | Cook County | 23.91 |
| 5 | Peoria County | 18.99 |
| 6 | Brown County | 18.75 |
| 7 | Macon County | 17.86 |
| 8 | Jackson County | 15.27 |
| 9 | Kankakee County | 15.09 |
| 10 | Winnebago County | 14.13 |
| 11 | Vermilion County | 14.09 |
| 12 | Champaign County | 13.89 |
| 13 | Sangamon County | 13.05 |
| 14 | Will County | 12.3 |
| 15 | Rock Island County | 11.23 |
| 16 | Randolph County | 10.66 |
| 17 | Stephenson County | 10.51 |
| 18 | Lawrence County | 10.27 |
| 19 | Perry County | 9 |
| 20 | Madison County | 8.89 |
| 21 | Jefferson County | 8.87 |
| 22 | Knox County | 8.53 |
| 23 | McLean County | 8.43 |
| 24 | Logan County | 8.38 |
| 25 | DeKalb County | 8.37 |
| 26 | Kendall County | 7.89 |
| 27 | Lake County | 7.53 |
| 28 | Johnson County | 7.12 |
| 29 | Morgan County | 6.86 |
| 30 | Bond County | 6.34 |
| 31 | Massac County | 6.33 |
| 32 | Kane County | 6.06 |
| 33 | McDonough County | 5.63 |
| 34 | Lee County | 5.56 |
| 35 | Cass County | 5.48 |
| 36 | Pope County | 5.36 |
| 37 | DuPage County | 5.28 |
| 38 | Crawford County | 5.18 |
| 39 | Williamson County | 4.7 |
| 40 | Fayette County | 4.53 |
| 41 | Schuyler County | 4.38 |
| 42 | Marion County | 4.3 |
| 43 | Livingston County | 4.2 |
| 44 | Fulton County | 4.08 |
| 45 | Coles County | 4.02 |
| 46 | Adams County | 3.95 |
| 47 | Saline County | 3.83 |
| 48 | Clinton County | 3.67 |
| 49 | Montgomery County | 3.54 |
| 50 | LaSalle County | 2.87 |
| 50 | Warren County | 2.87 |
| 51 | Boone County | 2.85 |
| 52 | Henry County | 2.01 |
| 53 | Whiteside County | 1.9 |
| 54 | Grundy County | 1.8 |
| 55 | McHenry County | 1.77 |
| 56 | Christian County | 1.59 |
| 57 | Pike County | 1.46 |
| 58 | Tazewell County | 1.42 |
| 59 | Greene County | 1.3 |
| 59 | Union County | 1.3 |
| 60 | Ogle County | 1.27 |
| 61 | Iroquois County | 1.23 |
| 62 | Ford County | 1.11 |
| 63 | Carroll County | 1.08 |
| 64 | Bureau County | 1.04 |
| 65 | De Witt County | 1 |
| 65 | Washington County | 1 |
| 66 | Macoupin County | 0.99 |
| 66 | Wabash County | 0.99 |
| 67 | Stark County | 0.98 |
| 68 | Richland County | 0.91 |
| 69 | Menard County | 0.89 |
| 70 | Jersey County | 0.82 |
| 71 | Putnam County | 0.77 |
| 72 | Woodford County | 0.76 |
| 73 | Jo Daviess County | 0.75 |
| 74 | White County | 0.74 |
| 75 | Marshall County | 0.73 |
| 76 | Moultrie County | 0.72 |
| 77 | Gallatin County | 0.7 |
| 78 | Douglas County | 0.68 |
| 78 | Mercer County | 0.68 |
| 79 | Piatt County | 0.67 |
| 80 | Hamilton County | 0.66 |
| 81 | Hancock County | 0.64 |
| 82 | Mason County | 0.63 |
| 83 | Effingham County | 0.62 |
| 83 | Franklin County | 0.62 |
| 83 | Scott County | 0.62 |
| 84 | Wayne County | 0.61 |
| 85 | Henderson County | 0.6 |
| 86 | Clay County | 0.56 |
| 87 | Edgar County | 0.55 |
| 88 | Edwards County | 0.52 |
| 89 | Cumberland County | 0.48 |
| 90 | Clark County | 0.45 |
| 91 | Hardin County | 0.44 |
| 92 | Monroe County | 0.43 |
| 93 | Calhoun County | 0.42 |
| 94 | Shelby County | 0.38 |
| 95 | Jasper County | 0.31 |
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