St. Clair County, Missouri Census 2020 Population By Race and Ethnicity

Updated on April 9, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 9.28K population of St. Clair County, MO residents comprised of 178 residents who identified as Hispanic or Latino (1.92%), and 9.11K residents who identified as Non-Hispanic (98.08%).

Race: The White Alone population was the largest racial group in St. Clair County, MO, with a population of 8.64K (93.10%). The Two Or More Races population was the second largest racial group in St. Clair County, MO, with a population of 452 (4.87%). The American Indian and Alaska Native Alone population was the third largest racial group in St. Clair County, MO, with a population of 67 (0.72%). The smallest racial group in St. Clair County, MO was Native Hawaiian And Pacific Islander Alone with a population of 9 (0.10%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in St. Clair County, MO, with a population of 8.57K (92.28%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in St. Clair County, MO, with a population of 401 (4.32%). The Hispanic - White Alone population was the third largest ethnic group in St. Clair County, MO, with a population of 76 (0.82%). The smallest ethnic group in St. Clair County, MO was Hispanic - Black Alone with a population of 0 (0.00%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in St. Clair County, Missouri from the 2020 decennial census.

You can see similar information for other Missouri counties and also for the state of Missouri.

St. Clair County, MO Hispanics and Non Hispanics Population in Census 2020
Total Population:
St. Clair County, MO Racial Groups in Census 2020
Total Population:
St. Clair County, MO Ethnicity Groups in Census 2020
Total Population:
St. Clair County, MO Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 26 0.28
White Alone 8643 93.10
American Indian and Alaska Native Alone 67 0.72
Asian Alone 21 0.23
Native Hawaiian And Pacific Islander Alone 9 0.10
Some Other Race Alone 66 0.71
Two Or More Races 452 4.87
St. Clair County, MO Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 8567 92.28
Non-Hispanic - Two or More Races 401 4.32
Hispanic - White Alone 76 0.82
Non-Hispanic - American Indian & Alaska Native 63 0.68
Hispanic - Two or More Races 51 0.55
Hispanic - Some Other Race Alone 43 0.46
Non-Hispanic - Black Alone 26 0.28
Non-Hispanic - Some Other Race Alone 23 0.25
Non-Hispanic - Asian Alone 19 0.21
Non-Hispanic - Native Hawaiian & Pac. Islander 7 0.08
Hispanic - American Indian & Alaska Native 4 0.04
Hispanic - Asian Alone 2 0.02
Hispanic - Native Hawaiian & Pac. Islander 2 0.02
Hispanic - Black Alone 0 0.00