Illinois Black or African American Alone Voting-age Population By County in Census 2020

According to the data from the US 2020 decennial Census, as at April 2020, among all the Illinois voting-age population (18 years and over), there were 1,373,943 people who identified their race as Black or African American Alone, which is 13.74% of the total voting-age population of Illinois.

Cook County had the highest number of Black or African American Alone voting-age population (936,911), followed by Will County (60,147), and St. Clair County (55,868).

On the other hand, the three counties with low number of Black or African American Alone voting-age population were: Scott County (1), Calhoun County (7), and Stark County (9).

In terms of the percentage of each county's voting-age population, Alexander County had the highest percentage, with 29.83% of its voting-age population identifying their race as Black or African American Alone, followed by St. Clair County (28.35%), and Pulaski County (28.33%).

You can see similar information for other states and also for the United States by state. You can also see similar information for other racial groups as well as the different ethnicities in Illinois.

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