Population By Race and Ethnicity in St Clair, IL in 2013

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2013, the 266,934 population of St Clair County, Illinois comprised of 9,697 people who identified as Hispanic (3.63%), and 257,237 people who identified as Non-Hispanic (96.37%).

Race: The White Alone population was the largest racial group in St Clair County, Illinois with a population of 175,145 (65.61%); Black or African American Alone population was the second largest racial group with a population of 81,185 (30.41%); and Two Or More Races was the third largest racial group with a population of 5,919 (2.22%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St Clair County, Illinois in 2013, with a population of 167,118 (62.61%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 80,456 (30.14%); and the third largest ethnic group was White Alone - Hispanic with a population of 8,027 (3.01%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in St Clair, Illinois.

You can find similar information for other Illinois counties, and for Illinois.

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Hispanics and Non Hispanics in St Clair, IL in 2013
Total Population:
Race in St Clair, IL in 2013
Total Population:
Ethnicity in St Clair, IL in 2013
Total Population:
Population By Race in St Clair , IL in 2013
Race Population Percentage
Black or African American Alone 81,185 30.41%
White Alone 175,145 65.61%
American Indian and Alaska Native Alone 856 0.32%
Asian Alone 3,578 1.34%
Native Hawaiian And Pacific Islander Alone 251 0.09%
Two Or More Races 5,919 2.22%
Population By Ethnicity in St Clair , IL in 2013
Ethnicity Population Percentage
Black or African American Alone - Hispanic 729 0.27%
White Alone - Hispanic 8,027 3.01%
American Indian and Alaska Native Alone - Hispanic 283 0.11%
Asian Alone - Hispanic 141 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 30 0.01%
Two Or More Races - Hispanic 487 0.18%
Black or African American Alone - Non Hispanic 80,456 30.14%
White Alone - Non Hispanic 167,118 62.61%
American Indian and Alaska Native Alone - Non Hispanic 573 0.22%
Asian Alone - Non Hispanic 3,437 1.29%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 221 0.08%
Two Or More Races - Non Hispanic 5,432 2.04%