Population By Race and Ethnicity in Warren County, IL in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the 16,821 population of Warren County, Illinois comprised of 1,799 people who identified as Hispanic (10.7%), and 15,022 people who identified as Non-Hispanic (89.31%).

Race: The White Alone population was the largest racial group in Warren County, Illinois with a population of 15,472 (91.98%); Black or African American Alone population was the second largest racial group with a population of 498 (2.96%); and Asian Alone was the third largest racial group with a population of 406 (2.41%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Warren County, Illinois in 2020, with a population of 13,844 (82.3%); the second largest ethnic group was White Alone - Hispanic with a population of 1,628 (9.68%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 436 (2.59%).

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.

See this for other years:
Hispanics and Non Hispanics in Warren County, IL in 2020
Total Population:
Race in Warren County, IL in 2020
Total Population:
Ethnicity in Warren County, IL in 2020
Total Population:
Population By Race in Warren , IL in 2020
Race Population Percentage
Black or African American Alone 498 2.96%
White Alone 15,472 91.98%
American Indian and Alaska Native Alone 90 0.54%
Asian Alone 406 2.41%
Native Hawaiian And Pacific Islander Alone 37 0.22%
Two Or More Races 318 1.89%
Population By Ethnicity in Warren , IL in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 62 0.37%
White Alone - Hispanic 1,628 9.68%
American Indian and Alaska Native Alone - Hispanic 39 0.23%
Asian Alone - Hispanic 7 0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic 16 0.1%
Two Or More Races - Hispanic 47 0.28%
Black or African American Alone - Non Hispanic 436 2.59%
White Alone - Non Hispanic 13,844 82.3%
American Indian and Alaska Native Alone - Non Hispanic 51 0.3%
Asian Alone - Non Hispanic 399 2.37%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 21 0.13%
Two Or More Races - Non Hispanic 271 1.61%