Population By Race and Ethnicity in St. Clair County, MO in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the 9,347 population of St. Clair County, Missouri comprised of 191 people who identified as Hispanic (2.04%), and 9,156 people who identified as Non-Hispanic (97.96%).

Race: The White Alone population was the largest racial group in St. Clair County, Missouri with a population of 9,007 (96.36%); Two Or More Races population was the second largest racial group with a population of 165 (1.77%); and American Indian and Alaska Native Alone was the third largest racial group with a population of 77 (0.82%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St. Clair County, Missouri in 2020, with a population of 8,843 (94.61%); the second largest ethnic group was White Alone - Hispanic with a population of 164 (1.76%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 155 (1.66%).

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.

See this for other years:
Hispanics and Non Hispanics in St. Clair County, MO in 2020
Total Population:
Race in St. Clair County, MO in 2020
Total Population:
Ethnicity in St. Clair County, MO in 2020
Total Population:
Population By Race in St. Clair , MO in 2020
Race Population Percentage
Black or African American Alone 65 0.7%
White Alone 9,007 96.36%
American Indian and Alaska Native Alone 77 0.82%
Asian Alone 32 0.34%
Native Hawaiian And Pacific Islander Alone 1 0.01%
Two Or More Races 165 1.77%
Population By Ethnicity in St. Clair , MO in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 11 0.12%
White Alone - Hispanic 164 1.76%
American Indian and Alaska Native Alone - Hispanic 6 0.06%
Asian Alone - Hispanic 0 0%
Native Hawaiian And Pacific Islander Alone - Hispanic 0 0%
Two Or More Races - Hispanic 10 0.11%
Black or African American Alone - Non Hispanic 54 0.58%
White Alone - Non Hispanic 8,843 94.61%
American Indian and Alaska Native Alone - Non Hispanic 71 0.76%
Asian Alone - Non Hispanic 32 0.34%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 1 0.01%
Two Or More Races - Non Hispanic 155 1.66%