Illinois Black or African American Alone Population By County in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the Black or African American Alone population in Illinois was 1,893,820 and represented 14.73% of the total Illinois population (12,859,585).

Among Illinois counties, Cook County had the highest number of people who identified as Black or African American Alone (1,279,297), followed by Will County (81,059), and St. Clair County (80,486). Calhoun County had the lowest (15).

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 2015
Illinois Black or African American Alone Population By County in 2015
County
Black Alone Population
% of County Population
Cook 1,279,297 24.4
Will 81,059 11.82
St. Clair 80,486 30.37
Lake 52,401 7.44
DuPage 47,730 5.11
Winnebago 37,732 13.14
Peoria 34,356 18.42
Kane 32,048 6.06
Champaign 27,559 13.15
Sangamon 24,921 12.53
Madison 22,464 8.44
Macon 18,540 17.26
Kankakee 17,125 15.32
Rock Island 15,255 10.44
McLean 13,478 7.78
Vermilion 10,811 13.65
Jackson 8,837 14.92
Kendall 8,431 6.86
DeKalb 7,686 7.37
McHenry 4,586 1.49
Stephenson 4,475 9.8
Knox 4,182 8.14
Randolph 3,469 10.59
Jefferson 3,451 9.01
LaSalle 2,986 2.69
Items per page:
1 – 25 of 102