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

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2021, the 16,585 population of Warren County, Illinois comprised of 1,811 people who identified as Hispanic (10.92%), and 14,774 people who identified as Non-Hispanic (89.08%).

Race: The White Alone population was the largest racial group in Warren County, Illinois with a population of 15,242 (91.9%); Black or African American Alone population was the second largest racial group with a population of 519 (3.13%); and Asian Alone was the third largest racial group with a population of 398 (2.4%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Warren County, Illinois in 2021, with a population of 13,606 (82.04%); the second largest ethnic group was White Alone - Hispanic with a population of 1,636 (9.86%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 454 (2.74%).

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

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

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Hispanics and Non Hispanics in Warren County, IL in 2021
Total Population:
Race in Warren County, IL in 2021
Total Population:
Ethnicity in Warren County, IL in 2021
Total Population:
Population By Race in Warren , IL in 2021
Race Population Percentage
Black or African American Alone 519 3.13%
White Alone 15,242 91.9%
American Indian and Alaska Native Alone 87 0.53%
Asian Alone 398 2.4%
Native Hawaiian And Pacific Islander Alone 37 0.22%
Two Or More Races 302 1.82%
Population By Ethnicity in Warren , IL in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 65 0.39%
White Alone - Hispanic 1,636 9.86%
American Indian and Alaska Native Alone - Hispanic 42 0.25%
Asian Alone - Hispanic 4 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 16 0.1%
Two Or More Races - Hispanic 48 0.29%
Black or African American Alone - Non Hispanic 454 2.74%
White Alone - Non Hispanic 13,606 82.04%
American Indian and Alaska Native Alone - Non Hispanic 45 0.27%
Asian Alone - Non Hispanic 394 2.38%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 21 0.13%
Two Or More Races - Non Hispanic 254 1.53%