Ranking of Illinois Counties By Black or African American Alone Population in 2018
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2018, among all Illinois counties, Cook County had the highest number of people who identified their race as Black or African American Alone (1.24M), followed by Will County (84.05K), and St. Clair County (80.04K).
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 2018
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| Rank | County | Black or African American Alone Population |
|---|---|---|
| 1 | Cook County | 1239247 |
| 2 | Will County | 84054 |
| 3 | St. Clair County | 80039 |
| 4 | Lake County | 52649 |
| 5 | DuPage County | 48565 |
| 6 | Winnebago County | 39286 |
| 7 | Peoria County | 34129 |
| 8 | Kane County | 32302 |
| 9 | Champaign County | 29037 |
| 10 | Sangamon County | 25441 |
| 11 | Madison County | 23362 |
| 12 | Macon County | 18442 |
| 13 | Kankakee County | 16659 |
| 14 | Rock Island County | 15719 |
| 15 | McLean County | 14200 |
| 16 | Vermilion County | 10790 |
| 17 | Kendall County | 9758 |
| 18 | Jackson County | 8785 |
| 19 | DeKalb County | 8466 |
| 20 | McHenry County | 5211 |
| 21 | Stephenson County | 4604 |
| 22 | Knox County | 4162 |
| 23 | Randolph County | 3373 |
| 24 | Jefferson County | 3347 |
| 25 | Williamson County | 3140 |
| 26 | LaSalle County | 3114 |
| 27 | Adams County | 2541 |
| 28 | Logan County | 2361 |
| 29 | Morgan County | 2356 |
| 30 | Coles County | 2020 |
| 31 | Alexander County | 1953 |
| 32 | Perry County | 1882 |
| 33 | Lee County | 1878 |
| 34 | Tazewell County | 1784 |
| 35 | McDonough County | 1717 |
| 36 | Pulaski County | 1661 |
| 37 | Marion County | 1620 |
| 38 | Lawrence County | 1588 |
| 39 | Boone County | 1508 |
| 40 | Livingston County | 1475 |
| 41 | Clinton County | 1400 |
| 42 | Fulton County | 1380 |
| 43 | Brown County | 1235 |
| 44 | Whiteside County | 1047 |
| 45 | Bond County | 1022 |
| 46 | Montgomery County | 1017 |
| 47 | Crawford County | 970 |
| 48 | Henry County | 968 |
| 49 | Fayette County | 959 |
| 50 | Saline County | 913 |
| 51 | Grundy County | 906 |
| 52 | Johnson County | 882 |
| 53 | Massac County | 857 |
| 54 | Cass County | 646 |
| 55 | Ogle County | 642 |
| 56 | Christian County | 533 |
| 57 | Warren County | 477 |
| 58 | Macoupin County | 452 |
| 59 | Bureau County | 326 |
| 60 | Iroquois County | 318 |
| 61 | Schuyler County | 291 |
| 62 | Woodford County | 267 |
| 63 | Franklin County | 231 |
| 64 | Pope County | 223 |
| 65 | Pike County | 220 |
| 66 | Union County | 205 |
| 67 | Effingham County | 193 |
| 68 | Jersey County | 174 |
| 69 | Greene County | 171 |
| 70 | Carroll County | 152 |
| 71 | Ford County | 147 |
| 72 | Jo Daviess County | 142 |
| 73 | Monroe County | 140 |
| 74 | De Witt County | 136 |
| 74 | Washington County | 136 |
| 75 | Mercer County | 125 |
| 75 | Richland County | 125 |
| 76 | Douglas County | 122 |
| 77 | Piatt County | 121 |
| 78 | Menard County | 112 |
| 79 | Edgar County | 107 |
| 80 | Hancock County | 106 |
| 81 | Wabash County | 104 |
| 82 | Wayne County | 96 |
| 82 | White County | 96 |
| 83 | Marshall County | 91 |
| 83 | Mason County | 91 |
| 84 | Moultrie County | 86 |
| 85 | Shelby County | 75 |
| 86 | Clay County | 70 |
| 87 | Clark County | 69 |
| 88 | Hamilton County | 57 |
| 89 | Stark County | 54 |
| 90 | Cumberland County | 53 |
| 91 | Putnam County | 50 |
| 92 | Gallatin County | 34 |
| 93 | Edwards County | 33 |
| 94 | Scott County | 30 |
| 95 | Jasper County | 29 |
| 96 | Henderson County | 25 |
| 97 | Calhoun County | 20 |
| 97 | Hardin County | 20 |
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