St. Clair County, Illinois Voting-age Population By Race in Census 2020

Updated on August 26, 2023.

According to the data from the US 2020 decennial Census, in April 2020, among St. Clair County, IL voting-age population of 197,084 people, 62.72% of them (123,608 people) identified their race as White Alone, 28.35% of them (55,868 people) identified their race as Black or African American Alone, and 5.22% of them (10,293 people) identified their race as Two Or More Races.

The first chart below shows the voting-age population by race and the second chart shows the percentage of the the St. Clair County, IL voting-age population for each race. You can also find the information in a table below.

You can see similar information for other Illinois counties and also for the state of Illinois.

St. Clair County, IL Voting-age Population By Race in Census 2020
White Alone
Black or African American Alone
Two Or More Races
Some Other Race Alone
Asian Alone
American Indian and Alaska Native Alone
Native Hawaiian And Pacific Islander Alone
Percentage of St. Clair County, IL Voting-age Population By Race in Census 2020
White Alone
Black or African American Alone
Two Or More Races
Some Other Race Alone
Asian Alone
American Indian and Alaska Native Alone
Native Hawaiian And Pacific Islander Alone
St. Clair County, IL Voting-age Population By Race in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 55868 28.35
White Alone 123608 62.72
American Indian and Alaska Native Alone 659 0.33
Asian Alone 3029 1.54
Native Hawaiian And Pacific Islander Alone 137 0.07
Some Other Race Alone 3490 1.77
Two Or More Races 10293 5.22