Illinois Black or African American Alone Population By County in 2020

Updated on July 31, 2024.

Based on the US Census Vintage data estimates, in 2020, the Black or African American Alone population in Illinois was 1,878,233 and represented 14.69% of the total Illinois population (12,790,357).

Among Illinois counties, Cook County had the highest number of people who identified as Black or African American Alone (1,245,792), followed by Will County (86,036), and St. Clair County (78,782). Calhoun County had the lowest (24).

In the map below, we show the number and percentage of each county's Black or African American Alone population, as well as the gender percentages when you interact with the map. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and also by state for the United States.

You can also see similar information for other racial and ethnicity groups in Illinois.

See this for other years:
Illinois Black or African American Alone Population By County in 2020
Illinois Black or African American Alone Population By County in 2020
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County Black Alone Population % of County Population
Adams 2714 4.14
Alexander 1597 30.9
Bond 1116 6.69
Boone 1489 2.79
Brown 1126 18.08
Bureau 398 1.2
Calhoun 24 0.55
Carroll 605 3.86
Cass 750 5.77
Champaign 28879 14.04
Christian 842 2.48
Clark 136 0.88
Clay 83 0.63
Clinton 1198 3.25
Coles 1842 3.94
Cook 1245792 23.67
Crawford 897 4.81
Cumberland 63 0.6
DeKalb 8434 8.41
De Witt 144 0.93
Douglas 174 0.88
DuPage 49794 5.35
Edgar 112 0.67
Edwards 34 0.55
Effingham 212 0.61
Fayette 1459 6.79
Ford 156 1.15
Franklin 255 0.68
Fulton 1204 3.6
Gallatin 42 0.85
Greene 92 0.77
Grundy 1038 1.98
Hamilton 60 0.75
Hancock 153 0.87
Hardin 36 0.99
Henderson 36 0.57
Henry 1019 2.07
Iroquois 334 1.24
Jackson 8177 15.46
Jasper 57 0.62
Jefferson 3098 8.37
Jersey 191 0.89
Jo Daviess 170 0.77
Johnson 1658 12.45
Kane 30710 5.95
Kankakee 16321 15.22
Kendall 11053 8.35
Knox 4203 8.44
Lake 53633 7.52
LaSalle 2988 2.73
Lawrence 1473 9.65
Lee 1801 5.29
Livingston 1295 3.62
Logan 2064 7.4
McDonough 1482 5.47
McHenry 5553 1.79
McLean 14668 8.58
Macon 18829 18.15
Macoupin 515 1.15
Madison 24107 9.07
Marion 1646 4.37
Marshall 96 0.82
Mason 84 0.64
Massac 925 6.55
Menard 122 0.99
Mercer 101 0.65
Monroe 187 0.54
Montgomery 970 3.44
Morgan 2060 6.27
Moultrie 106 0.73
Ogle 669 1.29
Peoria 34444 19
Perry 1687 8.08
Piatt 139 0.83
Pike 148 1.01
Pope 107 2.85
Pulaski 1588 30.78
Putnam 43 0.76
Randolph 2403 7.99
Richland 151 0.96
Rock Island 16527 11.45
St. Clair 78782 30.67
Saline 738 3.12
Sangamon 26065 13.29
Schuyler 350 5.1
Scott 43 0.87
Shelby 120 0.57
Stark 50 0.93
Stephenson 4643 10.43
Tazewell 1877 1.43
Union 343 2
Vermilion 10349 13.98
Wabash 131 1.16
Warren 498 2.96
Washington 167 1.22
Wayne 112 0.7
White 89 0.65
Whiteside 1027 1.85
Will 86036 12.35
Williamson 3278 4.88
Winnebago 40666 14.27
Woodford 281 0.73