Population By Race and Ethnicity in St. Charles County, MO in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 361,808 population of St. Charles County, Missouri comprised of 10,069 people who identified as Hispanic (2.78%), and 351,739 people who identified as Non-Hispanic (97.22%).

Race: The White Alone population was the largest racial group in St. Charles County, Missouri with a population of 331,369 (91.59%); Black or African American Alone population was the second largest racial group with a population of 15,262 (4.22%); and Asian Alone was the third largest racial group with a population of 8,146 (2.25%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St. Charles County, Missouri in 2010, with a population of 322,457 (89.12%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 15,017 (4.15%); and the third largest ethnic group was White Alone - Hispanic with a population of 8,912 (2.46%).

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 2010
Total Population:
Race in St. Charles County, MO in 2010
Total Population:
Ethnicity in St. Charles County, MO in 2010
Total Population:
Population By Race in St. Charles , MO in 2010
Race Population Percentage
Black or African American Alone 15,262 4.22%
White Alone 331,369 91.59%
American Indian and Alaska Native Alone 982 0.27%
Asian Alone 8,146 2.25%
Native Hawaiian And Pacific Islander Alone 249 0.07%
Two Or More Races 5,800 1.6%
Population By Ethnicity in St. Charles , MO in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 245 0.07%
White Alone - Hispanic 8,912 2.46%
American Indian and Alaska Native Alone - Hispanic 285 0.08%
Asian Alone - Hispanic 127 0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic 69 0.02%
Two Or More Races - Hispanic 431 0.12%
Black or African American Alone - Non Hispanic 15,017 4.15%
White Alone - Non Hispanic 322,457 89.12%
American Indian and Alaska Native Alone - Non Hispanic 697 0.19%
Asian Alone - Non Hispanic 8,019 2.22%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 180 0.05%
Two Or More Races - Non Hispanic 5,369 1.48%