Warren, Illinois Census 2020 Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 16.84K population of Warren, IL residents comprised of 1.79K residents who identified as Hispanic or Latino (10.63%), and 15.05K residents who identified as Non-Hispanic (89.37%).

Race: The White Alone population was the largest racial group in Warren, IL, with a population of 13.84K (82.22%). The Two Or More Races population was the second largest racial group in Warren, IL, with a population of 1.05K (6.24%). The Some Other Race Alone population was the third largest racial group in Warren, IL, with a population of 935 (5.55%). The smallest racial group in Warren, IL was Native Hawaiian And Pacific Islander Alone with a population of 18 (0.11%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Warren, IL, with a population of 13.49K (80.15%). The Hispanic - Some Other Race Alone population was the second largest ethnic group in Warren, IL, with a population of 889 (5.28%). The Non-Hispanic - Black Alone population was the third largest ethnic group in Warren, IL, with a population of 577 (3.43%). The smallest ethnic group in Warren, IL was Hispanic - Asian Alone with a population of 1 (0.01%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in Warren, Illinois from the 2020 decennial census.

You can see similar information for other Illinois counties and also for the state of Illinois.

Warren, IL Hispanics and Non Hispanics Population in Census 2020
Total Population:
Warren, IL Racial Groups in Census 2020
Total Population:
Warren, IL Ethnicity Groups in Census 2020
Total Population:
Warren, IL Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 587 3.49
White Alone 13842 82.22
American Indian and Alaska Native Alone 72 0.43
Asian Alone 330 1.96
Native Hawaiian And Pacific Islander Alone 18 0.11
Some Other Race Alone 935 5.55
Two Or More Races 1051 6.24
Warren, IL Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 13494 80.15
Hispanic - Some Other Race Alone 889 5.28
Non-Hispanic - Black Alone 577 3.43
Non-Hispanic - Two or More Races 554 3.29
Hispanic - Two or More Races 497 2.95
Hispanic - White Alone 348 2.07
Non-Hispanic - Asian Alone 329 1.95
Non-Hispanic - Some Other Race Alone 46 0.27
Hispanic - American Indian & Alaska Native 41 0.24
Non-Hispanic - American Indian & Alaska Native 31 0.18
Non-Hispanic - Native Hawaiian & Pac. Islander 15 0.09
Hispanic - Black Alone 10 0.06
Hispanic - Native Hawaiian & Pac. Islander 3 0.02
Hispanic - Asian Alone 1 0.01