Ranking of Illinois Counties By Percentage of Voting-age Population that were Black or African American Alone from Census 2020
Updated on August 26, 2023.
According to the data from the United States 2020 decennial Census, as at April 2020, among all Illinois counties, Alexander County had the highest percentage of its voting-age population that identified their race as Black or African American Alone (29.83%), followed by St. Clair County (28.35%), and Pulaski County (28.33%).
The chart below shows the top 10 counties, and the table below shows the ranking of all Illinois counties based on the percentage of the voting-age population that identified as Black or African American Alone.
You can see similar ranking information for other states. You can also see similar rankings of counties for other racial groups in Illinois.
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Related Topics: Illinois Census 2020 Topic List.
Data Source: US Census Bureau, 2020 Census.
Ranking of Illinois Counties By
Percentage of Voting-age Population that were Black or African American Alone
from Census 2020
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| Rank | County | Black Alone % of County Voting-age Pop. |
|---|---|---|
| 1 | Alexander County | 29.83 |
| 2 | St. Clair County | 28.35 |
| 3 | Pulaski County | 28.33 |
| 4 | Cook County | 22.46 |
| 5 | Brown County | 20.23 |
| 6 | Macon County | 16.49 |
| 6 | Peoria County | 16.49 |
| 7 | Kankakee County | 13.66 |
| 8 | Jackson County | 12.95 |
| 9 | Johnson County | 12.89 |
| 10 | Vermilion County | 12.35 |
| 11 | Champaign County | 12.28 |
| 12 | Winnebago County | 12.19 |
| 13 | Sangamon County | 11.62 |
| 14 | Will County | 11.43 |
| 15 | Lawrence County | 11.22 |
| 16 | Rock Island County | 9.99 |
| 17 | Perry County | 9.28 |
| 18 | Stephenson County | 8.77 |
| 19 | Randolph County | 8.74 |
| 20 | Madison County | 8.67 |
| 21 | Knox County | 8.36 |
| 22 | McLean County | 8.22 |
| 23 | DeKalb County | 7.98 |
| 24 | Bond County | 7.42 |
| 25 | Kendall County | 7.28 |
| 26 | Jefferson County | 7.16 |
| 27 | Lake County | 6.65 |
| 28 | Logan County | 6.24 |
| 29 | Lee County | 6.22 |
| 30 | Massac County | 6.06 |
| 31 | Morgan County | 5.84 |
| 32 | McDonough County | 5.46 |
| 33 | Carroll County | 5.26 |
| 34 | Kane County | 5.08 |
| 35 | DuPage County | 4.64 |
| 36 | Fayette County | 4.51 |
| 37 | Cass County | 4.47 |
| 38 | Coles County | 4.42 |
| 39 | Williamson County | 4.09 |
| 40 | Schuyler County | 4.04 |
| 41 | Fulton County | 3.94 |
| 42 | Montgomery County | 3.90 |
| 43 | Crawford County | 3.86 |
| 44 | Clinton County | 3.59 |
| 45 | Marion County | 3.54 |
| 46 | Livingston County | 3.51 |
| 47 | Warren County | 3.49 |
| 48 | Adams County | 3.47 |
| 49 | Saline County | 2.67 |
| 50 | LaSalle County | 2.43 |
| 51 | Boone County | 2.12 |
| 52 | Henry County | 1.96 |
| 53 | Union County | 1.49 |
| 54 | Grundy County | 1.48 |
| 55 | Pope County | 1.40 |
| 56 | Whiteside County | 1.31 |
| 57 | McHenry County | 1.22 |
| 58 | Christian County | 1.21 |
| 59 | Tazewell County | 1.18 |
| 60 | Ogle County | 0.95 |
| 61 | Macoupin County | 0.81 |
| 62 | Bureau County | 0.76 |
| 63 | Iroquois County | 0.75 |
| 64 | Jersey County | 0.69 |
| 65 | White County | 0.65 |
| 66 | Woodford County | 0.64 |
| 67 | Washington County | 0.63 |
| 68 | Gallatin County | 0.61 |
| 68 | Marshall County | 0.61 |
| 69 | De Witt County | 0.53 |
| 70 | Ford County | 0.51 |
| 71 | Moultrie County | 0.50 |
| 72 | Richland County | 0.48 |
| 73 | Pike County | 0.47 |
| 74 | Edgar County | 0.46 |
| 74 | Mercer County | 0.46 |
| 75 | Hamilton County | 0.45 |
| 75 | Menard County | 0.45 |
| 76 | Franklin County | 0.44 |
| 77 | Jo Daviess County | 0.40 |
| 77 | Wayne County | 0.40 |
| 78 | Effingham County | 0.37 |
| 78 | Hancock County | 0.37 |
| 78 | Hardin County | 0.37 |
| 78 | Putnam County | 0.37 |
| 78 | Wabash County | 0.37 |
| 79 | Piatt County | 0.36 |
| 80 | Clark County | 0.33 |
| 80 | Mason County | 0.33 |
| 80 | Monroe County | 0.33 |
| 81 | Douglas County | 0.29 |
| 81 | Edwards County | 0.29 |
| 82 | Henderson County | 0.27 |
| 82 | Shelby County | 0.27 |
| 83 | Clay County | 0.24 |
| 84 | Cumberland County | 0.21 |
| 84 | Stark County | 0.21 |
| 85 | Calhoun County | 0.20 |
| 86 | Jasper County | 0.18 |
| 87 | Greene County | 0.16 |
| 88 | Scott County | 0.03 |