St Charles, Missouri Voting-age Population By Race and Ethnicity from Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 310.62K voting-age population of St Charles, MO residents comprised of 10.31K residents who identified as Hispanic or Latino (3.32%), and 300.30K residents who identified as Non-Hispanic (96.68%).

Race: The White Alone voting-age population was the largest racial group in St Charles, MO, with a voting-age population of 266.05K (85.65%). The Two Or More Races voting-age population was the second largest racial group in St Charles, MO, with a voting-age population of 15.76K (5.08%). The Black or African American Alone voting-age population was the third largest racial group in St Charles, MO, with a voting-age population of 15.22K (4.90%). The smallest racial group in St Charles, MO was Native Hawaiian And Pacific Islander Alone with a voting-age population of 163 (0.05%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in St Charles, MO, with a voting-age population of 263.73K (84.90%). The Non-Hispanic - Black Alone voting-age population was the second largest ethnic group in St Charles, MO, with a voting-age population of 15.10K (4.86%). The Non-Hispanic - Two or More Races voting-age population was the third largest ethnic group in St Charles, MO, with a voting-age population of 11.57K (3.72%). The smallest ethnic group in St Charles, MO was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 19 (0.01%).

The charts and tables below shows the voting-age population and percentage of each racial group and ethnicity group in St Charles, Missouri from the 2020 decennial census.

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

St Charles, MO Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
St Charles, MO Voting-age Racial Groups in Census 2020
Total Voting-age Population:
St Charles, MO Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
St Charles, MO Voting-age Population of Racial Groups in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 15221 4.90
White Alone 266047 85.65
American Indian and Alaska Native Alone 689 0.22
Asian Alone 8439 2.72
Native Hawaiian And Pacific Islander Alone 163 0.05
Some Other Race Alone 4295 1.38
Two Or More Races 15763 5.08
St Charles, MO Voting-age Population of Ethnicity Groups in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 263726 84.90
Non-Hispanic - Black Alone 15097 4.86
Non-Hispanic - Two or More Races 11568 3.72
Non-Hispanic - Asian Alone 8385 2.70
Hispanic - Two or More Races 4195 1.35
Hispanic - Some Other Race Alone 3405 1.10
Hispanic - White Alone 2321 0.75
Non-Hispanic - Some Other Race Alone 890 0.29
Non-Hispanic - American Indian & Alaska Native 493 0.16
Hispanic - American Indian & Alaska Native 196 0.06
Non-Hispanic - Native Hawaiian & Pac. Islander 144 0.05
Hispanic - Black Alone 124 0.04
Hispanic - Asian Alone 54 0.02
Hispanic - Native Hawaiian & Pac. Islander 19 0.01