Population By Race and Ethnicity in St. Clair County, IL in 2014

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2014, the 266,061 population of St. Clair County, Illinois comprised of 10,121 people who identified as Hispanic (3.8%), and 255,940 people who identified as Non-Hispanic (96.2%).

Race: The White Alone population was the largest racial group in St. Clair County, Illinois with a population of 174,562 (65.61%); Black or African American Alone population was the second largest racial group with a population of 80,762 (30.36%); and Two Or More Races was the third largest racial group with a population of 5,988 (2.25%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St. Clair County, Illinois in 2014, with a population of 166,203 (62.47%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 79,998 (30.07%); and the third largest ethnic group was White Alone - Hispanic with a population of 8,359 (3.14%).

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 County, IL in 2014
Total Population:
Race in St. Clair County, IL in 2014
Total Population:
Ethnicity in St. Clair County, IL in 2014
Total Population:
Population By Race in St. Clair , IL in 2014
Race Population Percentage
Black or African American Alone 80,762 30.36%
White Alone 174,562 65.61%
American Indian and Alaska Native Alone 878 0.33%
Asian Alone 3,597 1.35%
Native Hawaiian And Pacific Islander Alone 274 0.1%
Two Or More Races 5,988 2.25%
Population By Ethnicity in St. Clair , IL in 2014
Ethnicity Population Percentage
Black or African American Alone - Hispanic 764 0.29%
White Alone - Hispanic 8,359 3.14%
American Indian and Alaska Native Alone - Hispanic 302 0.11%
Asian Alone - Hispanic 145 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 39 0.02%
Two Or More Races - Hispanic 512 0.19%
Black or African American Alone - Non Hispanic 79,998 30.07%
White Alone - Non Hispanic 166,203 62.47%
American Indian and Alaska Native Alone - Non Hispanic 576 0.22%
Asian Alone - Non Hispanic 3,452 1.3%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 235 0.09%
Two Or More Races - Non Hispanic 5,476 2.06%