St. Clair County, Illinois Population By Ethnicity in Census 2020
Updated on April 5, 2023.
According to the data from the US 2020 decennial Census, in April 2020, among St. Clair County, IL population of 257,400 people, 58.47% (150,496) identified their ethnicity as Non-Hispanic - White Alone, 29.53% (76,013) identified their ethnicity as Non-Hispanic - Black or African American Alone, and 5.00% (12,863) identified their ethnicity as Non-Hispanic - Two Or More Races.
The first chart below shows the population by ethnicity and the second chart shows the percentage of the population for each ethnicity. 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.
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Data Source: US Census Bureau, 2020 Census.
St. Clair County, IL Population By Ethnicity in Census 2020
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| Ethnicity | Population | % of County Population |
|---|---|---|
| Non-Hispanic - White Alone | 150496 | 58.47 |
| Non-Hispanic - Black or African American Alone | 76013 | 29.53 |
| Non-Hispanic - Two Or More Races | 12863 | 5.00 |
| Hispanic - Two Or More Races | 4529 | 1.76 |
| Hispanic - Some Other Race Alone | 4136 | 1.61 |
| Non-Hispanic - Asian Alone | 3623 | 1.41 |
| Hispanic - White Alone | 2880 | 1.12 |
| Non-Hispanic - Some Other Race Alone | 1152 | 0.45 |
| Hispanic - Black or African American Alone | 551 | 0.21 |
| Non-Hispanic - American Indian and Alaska Native Alone | 490 | 0.19 |
| Hispanic - American Indian and Alaska Native Alone | 391 | 0.15 |
| Non-Hispanic - Native Hawaiian And Pacific Islander Alone | 181 | 0.07 |
| Hispanic - Asian Alone | 88 | 0.03 |
| Hispanic - Native Hawaiian And Pacific Islander Alone | 7 | 0.00 |