St. Clair County, Illinois Voting-age Population By Race and Ethnicity in 2021 (ACS-5Yrs)
Based on the US Census ACS-5Yrs estimates, in 2021, the voting-age population of St. Clair County, IL was 197,437. The White Alone racial group had the highest voting-age population (129.19K) and constituted 65.43% of the total voting-age population. The Black or African American Alone racial group had the second highest voting-age population (56.02K) and constituted 28.37% of the total voting-age population. The Two Or More Races racial group had the third highest voting-age population (6.06K) and constituted 3.07% of the total voting-age population.
The voting-age population of the Non-Hispanic White Alone ethnicity group was 125.77K and constituted 63.70% of the total voting-age population. The voting-age population of the Hispanic or Latino of All Races ethnicity group was 7.19K and constituted 3.64% of the total voting-age population.
The charts and tables below shows the voting-age population and percentages by race and ethnicity.
Note: Missing racial or ethnicity groups means there was not enough information for an estimate.
You can also see similar information for other Illinois counties, and for Illinois.
| Race | Voting-age Population | % of Voting-age Pop. |
|---|---|---|
| White Alone | 129186 | 65.43 |
| Black or African American Alone | 56018 | 28.37 |
| Two Or More Races | 6056 | 3.07 |
| Asian Alone | 3091 | 1.57 |
| Some Other Race Alone | 2728 | 1.38 |
| American Indian and Alaska Native Alone | 299 | 0.15 |
| Native Hawaiian And Pacific Islander Alone | 59 | 0.03 |
| Ethnicity | Voting-age Population | % of Voting-age Pop. |
|---|---|---|
| Non-Hispanic White Alone | 125772 | 63.70 |
| Hispanic or Latino of All Races | 7193 | 3.64 |