Ranking of Illinois Counties By Black or African American Alone Voting-age Population from Census 2020

According to the data from the United States 2020 decennial Census, as at April 2020, among all Illinois counties, Cook County had the highest voting-age population who identified their race as Black or African American Alone (936.91K), followed by Will County (60.15K), and St. Clair County (55.87K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Illinois counties based on Black or African American Alone voting-age population.

You can see similar ranking information for other states. You can also see similar rankings for other racial groups in Illinois.