Population By Race and Ethnicity in Jefferson County, IL in 2019

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2019, the 37,635 population of Jefferson County, Illinois comprised of 1,104 people who identified as Hispanic (2.93%), and 36,531 people who identified as Non-Hispanic (97.07%).

Race: The White Alone population was the largest racial group in Jefferson County, Illinois with a population of 32,861 (87.32%); Black or African American Alone population was the second largest racial group with a population of 3,339 (8.87%); and Two Or More Races was the third largest racial group with a population of 828 (2.2%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Illinois in 2019, with a population of 32,092 (85.27%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 3,181 (8.45%); and the third largest ethnic group was White Alone - Hispanic with a population of 769 (2.04%).

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 2019
Total Population:
Race in Jefferson County, IL in 2019
Total Population:
Ethnicity in Jefferson County, IL in 2019
Total Population:
Population By Race in Jefferson , IL in 2019
Race Population Percentage
Black or African American Alone 3,339 8.87%
White Alone 32,861 87.32%
American Indian and Alaska Native Alone 150 0.4%
Asian Alone 443 1.18%
Native Hawaiian And Pacific Islander Alone 14 0.04%
Two Or More Races 828 2.2%
Population By Ethnicity in Jefferson , IL in 2019
Ethnicity Population Percentage
Black or African American Alone - Hispanic 158 0.42%
White Alone - Hispanic 769 2.04%
American Indian and Alaska Native Alone - Hispanic 57 0.15%
Asian Alone - Hispanic 13 0.04%
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 3,181 8.45%
White Alone - Non Hispanic 32,092 85.27%
American Indian and Alaska Native Alone - Non Hispanic 93 0.25%
Asian Alone - Non Hispanic 430 1.14%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 12 0.03%
Two Or More Races - Non Hispanic 723 1.92%