Population By Race and Ethnicity in Jefferson County, MO in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 224,656 population of Jefferson County, Missouri comprised of 4,559 people who identified as Hispanic (2.03%), and 220,097 people who identified as Non-Hispanic (97.97%).

Race: The White Alone population was the largest racial group in Jefferson County, Missouri with a population of 215,779 (96.05%); Two Or More Races population was the second largest racial group with a population of 3,745 (1.67%); and Black or African American Alone was the third largest racial group with a population of 2,576 (1.15%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Missouri in 2018, with a population of 211,772 (94.27%); the second largest ethnic group was White Alone - Hispanic with a population of 4,007 (1.78%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 3,485 (1.55%).

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.

See this for other years:
Hispanics and Non Hispanics in Jefferson County, MO in 2018
Total Population:
Race in Jefferson County, MO in 2018
Total Population:
Ethnicity in Jefferson County, MO in 2018
Total Population:
Population By Race in Jefferson , MO in 2018
Race Population Percentage
Black or African American Alone 2,576 1.15%
White Alone 215,779 96.05%
American Indian and Alaska Native Alone 767 0.34%
Asian Alone 1,716 0.76%
Native Hawaiian And Pacific Islander Alone 73 0.03%
Two Or More Races 3,745 1.67%
Population By Ethnicity in Jefferson , MO in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 99 0.04%
White Alone - Hispanic 4,007 1.78%
American Indian and Alaska Native Alone - Hispanic 148 0.07%
Asian Alone - Hispanic 35 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 10 0%
Two Or More Races - Hispanic 260 0.12%
Black or African American Alone - Non Hispanic 2,477 1.1%
White Alone - Non Hispanic 211,772 94.27%
American Indian and Alaska Native Alone - Non Hispanic 619 0.28%
Asian Alone - Non Hispanic 1,681 0.75%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 63 0.03%
Two Or More Races - Non Hispanic 3,485 1.55%