Jefferson, Kansas Population By Ethnicity in Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, among Jefferson, KS population of 18,368 people, 90.10% (16,549) identified their ethnicity as Non-Hispanic - White Alone, 5.07% (932) identified their ethnicity as Non-Hispanic - Two Or More Races, and 1.35% (248) identified their ethnicity as Hispanic - White Alone.

The first chart below shows the population by ethnicity and the second chart shows the percentage of the population for each ethnicity. You can also find the information in a table below.

You can see similar information for other Kansas counties and also for the state of Kansas.

Jefferson, KS Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Two or More Races
Hispanic - White Alone
Hispanic - Two or More Races
Non-Hispanic - American Indian & Alaska Native
Non-Hispanic - Black Alone
Hispanic - Some Other Race Alone
Percentage of Jefferson, KS Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Two or More Races
Hispanic - White Alone
Hispanic - Two or More Races
Non-Hispanic - American Indian & Alaska Native
Non-Hispanic - Black Alone
Hispanic - Some Other Race Alone
Jefferson, KS Population By Ethnicity in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 16549 90.10
Non-Hispanic - Two Or More Races 932 5.07
Hispanic - White Alone 248 1.35
Hispanic - Two Or More Races 210 1.14
Non-Hispanic - American Indian and Alaska Native Alone 124 0.68
Non-Hispanic - Black or African American Alone 99 0.54
Hispanic - Some Other Race Alone 95 0.52
Non-Hispanic - Asian Alone 41 0.22
Non-Hispanic - Some Other Race Alone 29 0.16
Non-Hispanic - Native Hawaiian And Pacific Islander Alone 27 0.15
Hispanic - Black or African American Alone 4 0.02
Hispanic - American Indian and Alaska Native Alone 4 0.02
Hispanic - Native Hawaiian And Pacific Islander Alone 4 0.02
Hispanic - Asian Alone 2 0.01