Population By Race and Ethnicity in Jefferson County, IL in 2021

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2021, the 36,889 population of Jefferson County, Illinois comprised of 1,005 people who identified as Hispanic (2.72%), and 35,884 people who identified as Non-Hispanic (97.28%).

Race: The White Alone population was the largest racial group in Jefferson County, Illinois with a population of 32,295 (87.55%); Black or African American Alone population was the second largest racial group with a population of 3,124 (8.47%); and Two Or More Races was the third largest racial group with a population of 842 (2.28%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Illinois in 2021, with a population of 31,605 (85.68%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 2,982 (8.08%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 737 (2%).

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

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

See this for other years:
Hispanics and Non Hispanics in Jefferson County, IL in 2021
Total Population:
Race in Jefferson County, IL in 2021
Total Population:
Ethnicity in Jefferson County, IL in 2021
Total Population:
Population By Race in Jefferson , IL in 2021
Race Population Percentage
Black or African American Alone 3,124 8.47%
White Alone 32,295 87.55%
American Indian and Alaska Native Alone 154 0.42%
Asian Alone 460 1.25%
Native Hawaiian And Pacific Islander Alone 14 0.04%
Two Or More Races 842 2.28%
Population By Ethnicity in Jefferson , IL in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 142 0.39%
White Alone - Hispanic 690 1.87%
American Indian and Alaska Native Alone - Hispanic 55 0.15%
Asian Alone - Hispanic 11 0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic 2 0.01%
Two Or More Races - Hispanic 105 0.28%
Black or African American Alone - Non Hispanic 2,982 8.08%
White Alone - Non Hispanic 31,605 85.68%
American Indian and Alaska Native Alone - Non Hispanic 99 0.27%
Asian Alone - Non Hispanic 449 1.22%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 12 0.03%
Two Or More Races - Non Hispanic 737 2%