Illinois Black or African American Alone Population By County in 2019

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2019, the Black or African American Alone population in Illinois was 1,859,309 and represented 14.68% of the total Illinois population (12,667,017).

Among Illinois counties, Cook County had the highest number of people who identified as Black or African American Alone (1,230,039), followed by Will County (84,872), and St. Clair County (79,581). Hardin County had the lowest (17).

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 2019
Illinois Black or African American Alone Population By County in 2019
County
Black Alone Population
% of County Population
Cook 1,230,039 23.91
Will 84,872 12.3
St. Clair 79,581 30.62
Lake 52,491 7.53
DuPage 48,727 5.28
Winnebago 39,920 14.13
Peoria 34,053 18.99
Kane 32,228 6.06
Champaign 29,121 13.89
Sangamon 25,435 13.05
Madison 23,425 8.89
Macon 18,581 17.86
Kankakee 16,532 15.09
Rock Island 15,920 11.23
McLean 14,436 8.43
Vermilion 10,668 14.09
Kendall 10,170 7.89
DeKalb 8,794 8.37
Jackson 8,678 15.27
McHenry 5,430 1.77
Stephenson 4,665 10.51
Knox 4,235 8.53
Randolph 3,383 10.66
Jefferson 3,339 8.87
Williamson 3,134 4.7
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