Population By Race and Ethnicity in St. Charles County, MO in 2017

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2017, the 395,153 population of St. Charles County, Missouri comprised of 12,971 people who identified as Hispanic (3.28%), and 382,182 people who identified as Non-Hispanic (96.72%).

Race: The White Alone population was the largest racial group in St. Charles County, Missouri with a population of 356,127 (90.12%); Black or African American Alone population was the second largest racial group with a population of 19,532 (4.94%); and Asian Alone was the third largest racial group with a population of 10,255 (2.6%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St. Charles County, Missouri in 2017, with a population of 344,693 (87.23%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 19,091 (4.83%); and the third largest ethnic group was White Alone - Hispanic with a population of 11,434 (2.89%).

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

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

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Hispanics and Non Hispanics in St. Charles County, MO in 2017
Total Population:
Race in St. Charles County, MO in 2017
Total Population:
Ethnicity in St. Charles County, MO in 2017
Total Population:
Population By Race in St. Charles , MO in 2017
Race Population Percentage
Black or African American Alone 19,532 4.94%
White Alone 356,127 90.12%
American Indian and Alaska Native Alone 1,019 0.26%
Asian Alone 10,255 2.6%
Native Hawaiian And Pacific Islander Alone 246 0.06%
Two Or More Races 7,974 2.02%
Population By Ethnicity in St. Charles , MO in 2017
Ethnicity Population Percentage
Black or African American Alone - Hispanic 441 0.11%
White Alone - Hispanic 11,434 2.89%
American Indian and Alaska Native Alone - Hispanic 336 0.09%
Asian Alone - Hispanic 163 0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic 56 0.01%
Two Or More Races - Hispanic 541 0.14%
Black or African American Alone - Non Hispanic 19,091 4.83%
White Alone - Non Hispanic 344,693 87.23%
American Indian and Alaska Native Alone - Non Hispanic 683 0.17%
Asian Alone - Non Hispanic 10,092 2.55%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 190 0.05%
Two Or More Races - Non Hispanic 7,433 1.88%