Population By Race and Ethnicity in St Clair, MO in 2018

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2018, the 9,431 population of St Clair County, Missouri comprised of 216 people who identified as Hispanic (2.29%), and 9,215 people who identified as Non-Hispanic (97.71%).

Race: The White Alone population was the largest racial group in St Clair County, Missouri with a population of 9,088 (96.36%); Two Or More Races population was the second largest racial group with a population of 175 (1.86%); and American Indian and Alaska Native Alone was the third largest racial group with a population of 78 (0.83%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St Clair County, Missouri in 2018, with a population of 8,909 (94.47%); the second largest ethnic group was White Alone - Hispanic with a population of 179 (1.9%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 158 (1.68%).

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

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

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Hispanics and Non Hispanics in St Clair, MO in 2018
Total Population:
Race in St Clair, MO in 2018
Total Population:
Ethnicity in St Clair, MO in 2018
Total Population:
Population By Race in St Clair , MO in 2018
Race Population Percentage
Black or African American Alone 62 0.66%
White Alone 9,088 96.36%
American Indian and Alaska Native Alone 78 0.83%
Asian Alone 26 0.28%
Native Hawaiian And Pacific Islander Alone 2 0.02%
Two Or More Races 175 1.86%
Population By Ethnicity in St Clair , MO in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 9 0.1%
White Alone - Hispanic 179 1.9%
American Indian and Alaska Native Alone - Hispanic 11 0.12%
Asian Alone - Hispanic 0 0%
Native Hawaiian And Pacific Islander Alone - Hispanic 0 0%
Two Or More Races - Hispanic 17 0.18%
Black or African American Alone - Non Hispanic 53 0.56%
White Alone - Non Hispanic 8,909 94.47%
American Indian and Alaska Native Alone - Non Hispanic 67 0.71%
Asian Alone - Non Hispanic 26 0.28%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 2 0.02%
Two Or More Races - Non Hispanic 158 1.68%