Population By Race and Ethnicity in St. Charles County, MO in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 385,108 population of St. Charles County, Missouri comprised of 12,070 people who identified as Hispanic (3.13%), and 373,038 people who identified as Non-Hispanic (96.87%).

Race: The White Alone population was the largest racial group in St. Charles County, Missouri with a population of 349,001 (90.62%); Black or African American Alone population was the second largest racial group with a population of 17,756 (4.61%); and Asian Alone was the third largest racial group with a population of 9,798 (2.54%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St. Charles County, Missouri in 2015, with a population of 338,376 (87.87%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 17,350 (4.51%); and the third largest ethnic group was White Alone - Hispanic with a population of 10,625 (2.76%).

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 2015
Total Population:
Race in St. Charles County, MO in 2015
Total Population:
Ethnicity in St. Charles County, MO in 2015
Total Population:
Population By Race in St. Charles , MO in 2015
Race Population Percentage
Black or African American Alone 17,756 4.61%
White Alone 349,001 90.62%
American Indian and Alaska Native Alone 968 0.25%
Asian Alone 9,798 2.54%
Native Hawaiian And Pacific Islander Alone 254 0.07%
Two Or More Races 7,331 1.9%
Population By Ethnicity in St. Charles , MO in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 406 0.11%
White Alone - Hispanic 10,625 2.76%
American Indian and Alaska Native Alone - Hispanic 304 0.08%
Asian Alone - Hispanic 157 0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic 63 0.02%
Two Or More Races - Hispanic 515 0.13%
Black or African American Alone - Non Hispanic 17,350 4.51%
White Alone - Non Hispanic 338,376 87.87%
American Indian and Alaska Native Alone - Non Hispanic 664 0.17%
Asian Alone - Non Hispanic 9,641 2.5%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 191 0.05%
Two Or More Races - Non Hispanic 6,816 1.77%