Population By Race and Ethnicity in Jefferson County, IL in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 38,757 population of Jefferson County, Illinois comprised of 801 people who identified as Hispanic (2.07%), and 37,956 people who identified as Non-Hispanic (97.93%).

Race: The White Alone population was the largest racial group in Jefferson County, Illinois with a population of 34,503 (89.02%); Black or African American Alone population was the second largest racial group with a population of 3,283 (8.47%); and Two Or More Races was the third largest racial group with a population of 593 (1.53%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Illinois in 2010, with a population of 33,883 (87.42%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 3,183 (8.21%); and the third largest ethnic group was White Alone - Hispanic with a population of 620 (1.6%).

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 2010
Total Population:
Race in Jefferson County, IL in 2010
Total Population:
Ethnicity in Jefferson County, IL in 2010
Total Population:
Population By Race in Jefferson , IL in 2010
Race Population Percentage
Black or African American Alone 3,283 8.47%
White Alone 34,503 89.02%
American Indian and Alaska Native Alone 103 0.27%
Asian Alone 267 0.69%
Native Hawaiian And Pacific Islander Alone 8 0.02%
Two Or More Races 593 1.53%
Population By Ethnicity in Jefferson , IL in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 100 0.26%
White Alone - Hispanic 620 1.6%
American Indian and Alaska Native Alone - Hispanic 37 0.1%
Asian Alone - Hispanic 1 0%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0%
Two Or More Races - Hispanic 42 0.11%
Black or African American Alone - Non Hispanic 3,183 8.21%
White Alone - Non Hispanic 33,883 87.42%
American Indian and Alaska Native Alone - Non Hispanic 66 0.17%
Asian Alone - Non Hispanic 266 0.69%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 7 0.02%
Two Or More Races - Non Hispanic 551 1.42%