Illinois Non-Hispanic Black or African American alone Population By County in 2020

Updated on August 2, 2024.

Based on the US Census Vintage data estimates, in 2020, there were 1,801,436 people that identified as Non-Hispanic Black or African American alone in Illinois and they represented 14.08% of the total population of Illinois in 2020. Cook County had the highest number of Non-Hispanic Black or African American alone population (1,199,156), followed by Will County (82,086), and St. Clair County (77,841). On the other hand, Calhoun County had the lowest number of Non-Hispanic Black or African American alone (23), followed by Henderson County (28), and Putnam County (32).

When it comes to the percentage of each county's population that identified as Non-Hispanic Black or African American alone, Alexander County had the highest percentage (30.49%), followed by St. Clair County (30.31%), and Pulaski County (30.1%).

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

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

Hover over or click on the counties to see the number and percentage of each county's Non-Hispanic Black or African American alone population. The data can also be filtered, sorted, and explored further in a table below.

See this for other years:
Illinois Non-Hispanic Black or African American alone Population By County in 2020
Illinois Non-Hispanic Black or African American alone Population By County in 2020
County
Non-Hispanic Black or African American alone Population
% of County Population
Cook 1,199,156 22.78
Will 82,086 11.78
St. Clair 77,841 30.31
Lake 48,390 6.78
DuPage 46,457 4.99
Winnebago 38,714 13.59
Peoria 33,722 18.6
Champaign 27,672 13.46
Kane 26,934 5.22
Sangamon 25,697 13.1
Madison 23,665 8.91
Macon 18,552 17.88
Kankakee 15,873 14.8
Rock Island 15,630 10.83
McLean 14,091 8.24
Kendall 10,316 7.79
Vermilion 10,015 13.53
DeKalb 8,089 8.07
Jackson 7,977 15.08
McHenry 4,791 1.55
Stephenson 4,465 10.03
Knox 3,983 8
Williamson 3,156 4.7
Jefferson 2,960 8
LaSalle 2,731 2.5
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