Population By Race and Ethnicity in Jefferson, MO in 2015

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2015, the 223,185 population of Jefferson County, Missouri comprised of 4,094 people who identified as Hispanic (1.83%), and 219,091 people who identified as Non-Hispanic (98.17%).

Race: The White Alone population was the largest racial group in Jefferson County, Missouri with a population of 215,149 (96.4%); Two Or More Races population was the second largest racial group with a population of 3,303 (1.48%); and Black or African American Alone was the third largest racial group with a population of 2,344 (1.05%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Missouri in 2015, with a population of 211,498 (94.76%); the second largest ethnic group was White Alone - Hispanic with a population of 3,651 (1.64%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 3,093 (1.39%).

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

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

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Hispanics and Non Hispanics in Jefferson, MO in 2015
Total Population:
Race in Jefferson, MO in 2015
Total Population:
Ethnicity in Jefferson, MO in 2015
Total Population:
Population By Race in Jefferson , MO in 2015
RacePopulationPercentage
Black or African American Alone 2,344 1.05%
White Alone 215,149 96.4%
American Indian and Alaska Native Alone 739 0.33%
Asian Alone 1,590 0.71%
Native Hawaiian And Pacific Islander Alone 60 0.03%
Two Or More Races 3,303 1.48%
Population By Ethnicity in Jefferson , MO in 2015
EthnicityPopulationPercentage
Black or African American Alone - Hispanic 73 0.03%
White Alone - Hispanic 3,651 1.64%
American Indian and Alaska Native Alone - Hispanic 123 0.06%
Asian Alone - Hispanic 27 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 10 0%
Two Or More Races - Hispanic 210 0.09%
Black or African American Alone - Non Hispanic 2,271 1.02%
White Alone - Non Hispanic 211,498 94.76%
American Indian and Alaska Native Alone - Non Hispanic 616 0.28%
Asian Alone - Non Hispanic 1,563 0.7%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 50 0.02%
Two Or More Races - Non Hispanic 3,093 1.39%