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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in St. Charles County, MO in 2015

Total Population:385,108

Non Hispanic (96.87%)

Hispanic (3.13%)

Race in St. Charles County, MO in 2015

Total Population:385,108

White Alone (90.62%)

Black or African American Alone (4.61%)

Asian Alone (2.54%)

Two or more races (1.9%)

American Indian and Alaska Native Alone (0.25%)

Native Hawaiian And Pacific Islander Alone (0.07%)

Ethnicity in St. Charles County, MO in 2015

Total Population:385,108

Non-Hispanic White Alone (87.87%)

Non-Hispanic Black or African American Alone (4.51%)

Hispanic White Alone (2.76%)

Non-Hispanic Asian Alone (2.5%)

Non-Hispanic Two or more races (1.77%)

All Other Ethnicities (0.60%)

Population By Race in St. Charles , MO in 2015

Race	Population	Percentage
White Alone	349,001	90.62%
Black or African American Alone	17,756	4.61%
Asian Alone	9,798	2.54%
Two Or More Races	7,331	1.9%
American Indian and Alaska Native Alone	968	0.25%
Native Hawaiian And Pacific Islander Alone	254	0.07%

Population By Ethnicity in St. Charles , MO in 2015

Ethnicity	Population	Percentage
White Alone - Non Hispanic	338,376	87.87%
Black or African American Alone - Non Hispanic	17,350	4.51%
White Alone - Hispanic	10,625	2.76%
Asian Alone - Non Hispanic	9,641	2.5%
Two Or More Races - Non Hispanic	6,816	1.77%
American Indian and Alaska Native Alone - Non Hispanic	664	0.17%
Two Or More Races - Hispanic	515	0.13%
Black or African American Alone - Hispanic	406	0.11%
American Indian and Alaska Native Alone - Hispanic	304	0.08%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	191	0.05%
Asian Alone - Hispanic	157	0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic	63	0.02%