Population By Race and Ethnicity in Jefferson, IL in 2017

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2017, the 38,059 population of Jefferson County, Illinois comprised of 1,027 people who identified as Hispanic (2.7%), and 37,032 people who identified as Non-Hispanic (97.3%).

Race: The White Alone population was the largest racial group in Jefferson County, Illinois with a population of 33,282 (87.45%); Black or African American Alone population was the second largest racial group with a population of 3,431 (9.02%); and Two Or More Races was the third largest racial group with a population of 781 (2.05%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Illinois in 2017, with a population of 32,553 (85.53%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 3,286 (8.63%); and the third largest ethnic group was White Alone - Hispanic with a population of 729 (1.92%).

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.

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Hispanics and Non Hispanics in Jefferson, IL in 2017
Total Population:
Race in Jefferson, IL in 2017
Total Population:
Ethnicity in Jefferson, IL in 2017
Total Population:
Population By Race in Jefferson , IL in 2017
Race Population Percentage
Black or African American Alone 3,431 9.02%
White Alone 33,282 87.45%
American Indian and Alaska Native Alone 132 0.35%
Asian Alone 420 1.1%
Native Hawaiian And Pacific Islander Alone 13 0.03%
Two Or More Races 781 2.05%
Population By Ethnicity in Jefferson , IL in 2017
Ethnicity Population Percentage
Black or African American Alone - Hispanic 145 0.38%
White Alone - Hispanic 729 1.92%
American Indian and Alaska Native Alone - Hispanic 52 0.14%
Asian Alone - Hispanic 11 0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic 2 0.01%
Two Or More Races - Hispanic 88 0.23%
Black or African American Alone - Non Hispanic 3,286 8.63%
White Alone - Non Hispanic 32,553 85.53%
American Indian and Alaska Native Alone - Non Hispanic 80 0.21%
Asian Alone - Non Hispanic 409 1.08%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 11 0.03%
Two Or More Races - Non Hispanic 693 1.82%