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

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 1,001,585 population of St. Louis County, Missouri comprised of 27,705 people who identified as Hispanic (2.77%), and 973,880 people who identified as Non-Hispanic (97.23%).

Race: The White Alone population was the largest racial group in St. Louis County, Missouri with a population of 695,752 (69.47%); Black or African American Alone population was the second largest racial group with a population of 241,602 (24.12%); and Asian Alone was the third largest racial group with a population of 41,247 (4.12%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St. Louis County, Missouri in 2015, with a population of 672,028 (67.1%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 239,660 (23.93%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 41,102 (4.1%).

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 2015
Total Population:
Race in St. Louis County, MO in 2015
Total Population:
Ethnicity in St. Louis County, MO in 2015
Total Population:
Population By Race in St. Louis , MO in 2015
Race Population Percentage
Black or African American Alone 241,602 24.12%
White Alone 695,752 69.47%
American Indian and Alaska Native Alone 2,108 0.21%
Asian Alone 41,247 4.12%
Native Hawaiian And Pacific Islander Alone 245 0.02%
Two Or More Races 20,631 2.06%
Population By Ethnicity in St. Louis , MO in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 1,942 0.19%
White Alone - Hispanic 23,724 2.37%
American Indian and Alaska Native Alone - Hispanic 465 0.05%
Asian Alone - Hispanic 145 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 56 0.01%
Two Or More Races - Hispanic 1,373 0.14%
Black or African American Alone - Non Hispanic 239,660 23.93%
White Alone - Non Hispanic 672,028 67.1%
American Indian and Alaska Native Alone - Non Hispanic 1,643 0.16%
Asian Alone - Non Hispanic 41,102 4.1%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 189 0.02%
Two Or More Races - Non Hispanic 19,258 1.92%