Jefferson, Illinois Voting-age 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, IL population of 28,846 people, 86.07% of them (24,827 people) identified their ethnicity as Non-Hispanic - White Alone, 7.08% of them (2,043 people) identified their ethnicity as Non-Hispanic - Black or African American Alone, and 3.52% of them (1,014 people) identified their ethnicity as Non-Hispanic - Two Or More Races.

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

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

Jefferson, IL Voting-age Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Black Alone
Non-Hispanic - Two or More Races
Non-Hispanic - Asian Alone
Hispanic - Some Other Race Alone
Hispanic - White Alone
Hispanic - Two or More Races
Percentage of Jefferson, IL Voting-age Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Black Alone
Non-Hispanic - Two or More Races
Non-Hispanic - Asian Alone
Hispanic - Some Other Race Alone
Hispanic - White Alone
Hispanic - Two or More Races
Jefferson, IL Voting-age Population By Ethnicity in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 24827 86.07
Non-Hispanic - Black or African American Alone 2043 7.08
Non-Hispanic - Two Or More Races 1014 3.52
Non-Hispanic - Asian Alone 277 0.96
Hispanic - Some Other Race Alone 244 0.85
Hispanic - White Alone 144 0.50
Hispanic - Two Or More Races 141 0.49
Non-Hispanic - American Indian and Alaska Native Alone 72 0.25
Non-Hispanic - Some Other Race Alone 39 0.14
Hispanic - Black or African American Alone 22 0.08
Hispanic - American Indian and Alaska Native Alone 12 0.04
Hispanic - Asian Alone 9 0.03
Non-Hispanic - Native Hawaiian And Pacific Islander Alone 2 0.01
Hispanic - Native Hawaiian And Pacific Islander Alone 0 0.00