Ranking of Illinois Counties By Black or African American Alone Population in 2015
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2015, among all Illinois counties, Cook County had the highest number of people who identified their race as Black or African American Alone (1.28M), followed by Will County (81.06K), and St. Clair County (80.49K).
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 Black or African American Alone Population in 2015
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| Rank | County | Black or African American Alone Population |
|---|---|---|
| 1 | Cook County | 1279297 |
| 2 | Will County | 81059 |
| 3 | St. Clair County | 80486 |
| 4 | Lake County | 52401 |
| 5 | DuPage County | 47730 |
| 6 | Winnebago County | 37732 |
| 7 | Peoria County | 34356 |
| 8 | Kane County | 32048 |
| 9 | Champaign County | 27559 |
| 10 | Sangamon County | 24921 |
| 11 | Madison County | 22464 |
| 12 | Macon County | 18540 |
| 13 | Kankakee County | 17125 |
| 14 | Rock Island County | 15255 |
| 15 | McLean County | 13478 |
| 16 | Vermilion County | 10811 |
| 17 | Jackson County | 8837 |
| 18 | Kendall County | 8431 |
| 19 | DeKalb County | 7686 |
| 20 | McHenry County | 4586 |
| 21 | Stephenson County | 4475 |
| 22 | Knox County | 4182 |
| 23 | Randolph County | 3469 |
| 24 | Jefferson County | 3451 |
| 25 | LaSalle County | 2986 |
| 26 | Williamson County | 2961 |
| 27 | Adams County | 2474 |
| 28 | Logan County | 2315 |
| 29 | Alexander County | 2279 |
| 30 | Morgan County | 2218 |
| 31 | Coles County | 2001 |
| 32 | Perry County | 1914 |
| 33 | Lee County | 1811 |
| 34 | Pulaski County | 1798 |
| 35 | McDonough County | 1692 |
| 36 | Lawrence County | 1672 |
| 37 | Tazewell County | 1634 |
| 38 | Livingston County | 1599 |
| 39 | Marion County | 1546 |
| 40 | Fulton County | 1367 |
| 41 | Clinton County | 1360 |
| 42 | Boone County | 1332 |
| 43 | Brown County | 1283 |
| 44 | Johnson County | 1171 |
| 45 | Fayette County | 1110 |
| 46 | Whiteside County | 1016 |
| 47 | Bond County | 1014 |
| 48 | Montgomery County | 988 |
| 49 | Saline County | 982 |
| 50 | Crawford County | 945 |
| 51 | Henry County | 877 |
| 52 | Massac County | 842 |
| 53 | Grundy County | 744 |
| 54 | Cass County | 572 |
| 55 | Ogle County | 547 |
| 56 | Christian County | 526 |
| 57 | Warren County | 499 |
| 58 | Macoupin County | 413 |
| 59 | Iroquois County | 308 |
| 60 | Bureau County | 293 |
| 61 | Schuyler County | 264 |
| 62 | Pope County | 243 |
| 63 | Woodford County | 237 |
| 64 | Pike County | 228 |
| 65 | Franklin County | 199 |
| 66 | Union County | 189 |
| 67 | Effingham County | 162 |
| 68 | Greene County | 158 |
| 69 | Jersey County | 152 |
| 70 | De Witt County | 148 |
| 71 | Carroll County | 145 |
| 72 | Ford County | 130 |
| 73 | Douglas County | 129 |
| 74 | Washington County | 123 |
| 75 | Jo Daviess County | 121 |
| 76 | Monroe County | 114 |
| 77 | Menard County | 109 |
| 78 | Mercer County | 97 |
| 78 | Richland County | 97 |
| 78 | Wayne County | 97 |
| 79 | White County | 91 |
| 80 | Edgar County | 90 |
| 81 | Piatt County | 88 |
| 82 | Hancock County | 86 |
| 82 | Wabash County | 86 |
| 83 | Shelby County | 73 |
| 84 | Mason County | 71 |
| 85 | Clark County | 69 |
| 86 | Marshall County | 67 |
| 87 | Moultrie County | 64 |
| 88 | Clay County | 61 |
| 89 | Cumberland County | 60 |
| 90 | Hamilton County | 46 |
| 90 | Putnam County | 46 |
| 91 | Edwards County | 40 |
| 92 | Stark County | 39 |
| 93 | Gallatin County | 30 |
| 94 | Jasper County | 23 |
| 95 | Hardin County | 22 |
| 95 | Henderson County | 22 |
| 96 | Scott County | 21 |
| 97 | Calhoun County | 15 |
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