Knox, Illinois Voting-age Population By Race and Ethnicity from Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 40.03K voting-age population of Knox, IL residents comprised of 2.07K residents who identified as Hispanic or Latino (5.16%), and 37.96K residents who identified as Non-Hispanic (94.84%).

Race: The White Alone voting-age population was the largest racial group in Knox, IL, with a voting-age population of 33.43K (83.53%). The Black or African American Alone voting-age population was the second largest racial group in Knox, IL, with a voting-age population of 3.35K (8.36%). The Two Or More Races voting-age population was the third largest racial group in Knox, IL, with a voting-age population of 1.90K (4.75%). The smallest racial group in Knox, IL was Native Hawaiian And Pacific Islander Alone with a voting-age population of 9 (0.02%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Knox, IL, with a voting-age population of 32.78K (81.90%). The Non-Hispanic - Black Alone voting-age population was the second largest ethnic group in Knox, IL, with a voting-age population of 3.29K (8.23%). The Non-Hispanic - Two or More Races voting-age population was the third largest ethnic group in Knox, IL, with a voting-age population of 1.35K (3.38%). The smallest ethnic group in Knox, IL was Hispanic - Asian Alone with a voting-age population of 2 (0.01%).

The charts and tables below shows the voting-age population and percentage of each racial group and ethnicity group in Knox, Illinois from the 2020 decennial census.

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

Knox, IL Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Knox, IL Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Knox, IL Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Knox, IL Voting-age Population of Racial Groups in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 3346 8.36
White Alone 33434 83.53
American Indian and Alaska Native Alone 102 0.26
Asian Alone 308 0.77
Native Hawaiian And Pacific Islander Alone 9 0.02
Some Other Race Alone 926 2.31
Two Or More Races 1903 4.75
Knox, IL Voting-age Population of Ethnicity Groups in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 32784 81.90
Non-Hispanic - Black Alone 3294 8.23
Non-Hispanic - Two or More Races 1353 3.38
Hispanic - Some Other Race Alone 768 1.92
Hispanic - White Alone 650 1.62
Hispanic - Two or More Races 550 1.37
Non-Hispanic - Asian Alone 306 0.76
Non-Hispanic - Some Other Race Alone 158 0.40
Non-Hispanic - American Indian & Alaska Native 60 0.15
Hispanic - Black Alone 52 0.13
Hispanic - American Indian & Alaska Native 42 0.11
Non-Hispanic - Native Hawaiian & Pac. Islander 6 0.02
Hispanic - Native Hawaiian & Pac. Islander 3 0.01
Hispanic - Asian Alone 2 0.01