Population By Race and Ethnicity in Jefferson County, KS in 2020

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2020, the 18,320 population of Jefferson County, Kansas comprised of 583 people who identified as Hispanic (3.18%), and 17,737 people who identified as Non-Hispanic (96.82%).

Race: The White Alone population was the largest racial group in Jefferson County, Kansas with a population of 17,520 (95.63%); Two Or More Races population was the second largest racial group with a population of 383 (2.09%); and American Indian and Alaska Native Alone was the third largest racial group with a population of 191 (1.04%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Kansas in 2020, with a population of 17,035 (92.99%); the second largest ethnic group was White Alone - Hispanic with a population of 485 (2.65%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 336 (1.83%).

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

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

See this for other years:
Hispanics and Non Hispanics in Jefferson County, KS in 2020
Total Population:
Race in Jefferson County, KS in 2020
Total Population:
Ethnicity in Jefferson County, KS in 2020
Total Population:
Population By Race in Jefferson , KS in 2020
Race Population Percentage
Black or African American Alone 142 0.78%
White Alone 17,520 95.63%
American Indian and Alaska Native Alone 191 1.04%
Asian Alone 57 0.31%
Native Hawaiian And Pacific Islander Alone 27 0.15%
Two Or More Races 383 2.09%
Population By Ethnicity in Jefferson , KS in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 14 0.08%
White Alone - Hispanic 485 2.65%
American Indian and Alaska Native Alone - Hispanic 31 0.17%
Asian Alone - Hispanic 1 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 5 0.03%
Two Or More Races - Hispanic 47 0.26%
Black or African American Alone - Non Hispanic 128 0.7%
White Alone - Non Hispanic 17,035 92.99%
American Indian and Alaska Native Alone - Non Hispanic 160 0.87%
Asian Alone - Non Hispanic 56 0.31%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 22 0.12%
Two Or More Races - Non Hispanic 336 1.83%