Illinois Black or African American Alone Population By County in 2017

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2017, the Black or African American Alone population in Illinois was 1,873,887 and represented 14.66% of the total Illinois population (12,779,893).

Among Illinois counties, Cook County had the highest number of people who identified as Black or African American Alone (1,251,668), followed by Will County (82,760), and St. Clair County (80,027). Hardin County had the lowest (19).

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 2017
Illinois Black or African American Alone Population By County in 2017
County
Black Alone Population
% of County Population
Cook 1,251,668 24.07
Will 82,760 11.99
St. Clair 80,027 30.44
Lake 52,697 7.5
DuPage 48,213 5.18
Winnebago 38,398 13.49
Peoria 34,146 18.69
Kane 32,298 6.07
Champaign 28,687 13.62
Sangamon 25,543 12.96
Madison 23,038 8.68
Macon 18,467 17.51
Kankakee 16,786 15.19
Rock Island 15,556 10.82
McLean 13,822 8
Vermilion 10,894 14.02
Kendall 9,360 7.42
Jackson 8,825 15.22
DeKalb 8,219 7.86
McHenry 5,062 1.64
Stephenson 4,557 10.13
Knox 4,248 8.4
Jefferson 3,431 9.02
Randolph 3,354 10.4
Williamson 3,086 4.6
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