Population By Race and Ethnicity in St. Louis County, MO in 2011

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the 1,000,147 population of St. Louis County, Missouri comprised of 25,244 people who identified as Hispanic (2.52%), and 974,903 people who identified as Non-Hispanic (97.48%).

Race: The White Alone population was the largest racial group in St. Louis County, Missouri with a population of 707,240 (70.71%); Black or African American Alone population was the second largest racial group with a population of 235,840 (23.58%); and Asian Alone was the third largest racial group with a population of 36,643 (3.66%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in St. Louis County, Missouri in 2011, with a population of 685,842 (68.57%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 234,004 (23.4%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 36,427 (3.64%).

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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in St. Louis County, MO in 2011

Total Population:1,000,147

Non Hispanic (97.48%)

Hispanic (2.52%)

Race in St. Louis County, MO in 2011

Total Population:1,000,147

White Alone (70.71%)

Black or African American Alone (23.58%)

Asian Alone (3.66%)

Two or more races (1.8%)

American Indian and Alaska Native Alone (0.22%)

Native Hawaiian And Pacific Islander Alone (0.03%)

Ethnicity in St. Louis County, MO in 2011

Total Population:1,000,147

Non-Hispanic White Alone (68.57%)

Non-Hispanic Black or African American Alone (23.4%)

Non-Hispanic Asian Alone (3.64%)

Hispanic White Alone (2.14%)

Non-Hispanic Two or more races (1.68%)

All Other Ethnicities (0.57%)

Population By Race in St. Louis , MO in 2011

Race	Population	Percentage
White Alone	707,240	70.71%
Black or African American Alone	235,840	23.58%
Asian Alone	36,643	3.66%
Two Or More Races	17,967	1.8%
American Indian and Alaska Native Alone	2,197	0.22%
Native Hawaiian And Pacific Islander Alone	260	0.03%

Population By Ethnicity in St. Louis , MO in 2011

Ethnicity	Population	Percentage
White Alone - Non Hispanic	685,842	68.57%
Black or African American Alone - Non Hispanic	234,004	23.4%
Asian Alone - Non Hispanic	36,427	3.64%
White Alone - Hispanic	21,398	2.14%
Two Or More Races - Non Hispanic	16,785	1.68%
Black or African American Alone - Hispanic	1,836	0.18%
American Indian and Alaska Native Alone - Non Hispanic	1,649	0.17%
Two Or More Races - Hispanic	1,182	0.12%
American Indian and Alaska Native Alone - Hispanic	548	0.06%
Asian Alone - Hispanic	216	0.02%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	196	0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic	64	0.01%