Illinois Black or African American Alone Population By County in 2021

Updated on July 31, 2024.

Based on the US Census Vintage data estimates, in 2021, the Black or African American Alone population in Illinois was 1,863,934 and represented 14.69% of the total Illinois population (12,690,341).

Among Illinois counties, Cook County had the highest number of people who identified as Black or African American Alone (1,222,883), followed by Will County (87,672), and St. Clair County (78,265). Calhoun County had the lowest (27).

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 2021
Illinois Black or African American Alone Population By County in 2021
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County Black Alone Population % of County Population
Adams 2689 4.13
Alexander 1554 30.93
Bond 1117 6.72
Boone 1526 2.87
Brown 1319 20.51
Bureau 415 1.26
Calhoun 27 0.61
Carroll 641 4.08
Cass 747 5.84
Champaign 29566 14.31
Christian 872 2.59
Clark 141 0.92
Clay 84 0.64
Clinton 1233 3.34
Coles 1910 4.08
Cook 1222883 23.6
Crawford 954 5.11
Cumberland 72 0.7
DeKalb 8860 8.82
De Witt 168 1.09
Douglas 185 0.94
DuPage 50209 5.42
Edgar 122 0.74
Edwards 33 0.54
Effingham 229 0.66
Fayette 1484 6.92
Ford 169 1.25
Franklin 292 0.78
Fulton 1303 3.92
Gallatin 44 0.9
Greene 98 0.83
Grundy 1167 2.2
Hamilton 59 0.75
Hancock 157 0.9
Hardin 45 1.24
Henderson 43 0.68
Henry 1016 2.08
Iroquois 383 1.43
Jackson 8182 15.55
Jasper 54 0.59
Jefferson 3124 8.47
Jersey 194 0.91
Jo Daviess 193 0.88
Johnson 1848 13.72
Kane 30698 5.95
Kankakee 16298 15.29
Kendall 11855 8.78
Knox 4247 8.61
Lake 54019 7.58
LaSalle 3217 2.95
Lawrence 1620 10.64
Lee 2042 5.97
Livingston 1393 3.89
Logan 2166 7.74
McDonough 1490 5.54
McHenry 5826 1.87
McLean 15162 8.86
Macon 18840 18.36
Macoupin 522 1.17
Madison 24576 9.28
Marion 1720 4.6
Marshall 92 0.79
Mason 96 0.75
Massac 919 6.59
Menard 118 0.97
Mercer 112 0.72
Monroe 201 0.57
Montgomery 1095 3.9
Morgan 2139 6.55
Moultrie 126 0.87
Ogle 686 1.33
Peoria 34309 19.1
Perry 1869 8.89
Piatt 148 0.88
Pike 156 1.07
Pope 117 3.11
Pulaski 1539 30.33
Putnam 40 0.72
Randolph 2599 8.61
Richland 156 0.99
Rock Island 16903 11.83
St. Clair 78265 30.7
Saline 742 3.18
Sangamon 26509 13.57
Schuyler 369 5.4
Scott 39 0.8
Shelby 127 0.61
Stark 52 0.98
Stephenson 4545 10.32
Tazewell 2055 1.58
Union 350 2.07
Vermilion 10399 14.21
Wabash 122 1.09
Warren 519 3.13
Washington 168 1.23
Wayne 109 0.68
White 103 0.75
Whiteside 1041 1.88
Will 87672 12.54
Williamson 3361 5.03
Winnebago 40578 14.32
Woodford 287 0.75