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

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 998,846 population of St. Louis County, Missouri comprised of 24,978 people who identified as Hispanic (2.5%), and 973,868 people who identified as Non-Hispanic (97.5%).

Race: The White Alone population was the largest racial group in St. Louis County, Missouri with a population of 709,105 (70.99%); Black or African American Alone population was the second largest racial group with a population of 234,711 (23.5%); and Asian Alone was the third largest racial group with a population of 35,279 (3.53%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St. Louis County, Missouri in 2010, with a population of 688,018 (68.88%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 232,885 (23.32%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 35,060 (3.51%).

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

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

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Hispanics and Non Hispanics in St. Louis County, MO in 2010
Total Population:
Race in St. Louis County, MO in 2010
Total Population:
Ethnicity in St. Louis County, MO in 2010
Total Population:
Population By Race in St. Louis , MO in 2010
Race Population Percentage
Black or African American Alone 234,711 23.5%
White Alone 709,105 70.99%
American Indian and Alaska Native Alone 2,276 0.23%
Asian Alone 35,279 3.53%
Native Hawaiian And Pacific Islander Alone 298 0.03%
Two Or More Races 17,177 1.72%
Population By Ethnicity in St. Louis , MO in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 1,826 0.18%
White Alone - Hispanic 21,087 2.11%
American Indian and Alaska Native Alone - Hispanic 595 0.06%
Asian Alone - Hispanic 219 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 61 0.01%
Two Or More Races - Hispanic 1,190 0.12%
Black or African American Alone - Non Hispanic 232,885 23.32%
White Alone - Non Hispanic 688,018 68.88%
American Indian and Alaska Native Alone - Non Hispanic 1,681 0.17%
Asian Alone - Non Hispanic 35,060 3.51%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 237 0.02%
Two Or More Races - Non Hispanic 15,987 1.6%