Population By Race and Ethnicity in Warren, IL in 2018

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2018, the 16,979 population of Warren County, Illinois comprised of 1,644 people who identified as Hispanic (9.68%), and 15,335 people who identified as Non-Hispanic (90.32%).

Race: The White Alone population was the largest racial group in Warren County, Illinois with a population of 15,673 (92.31%); Black or African American Alone population was the second largest racial group with a population of 477 (2.81%); and Asian Alone was the third largest racial group with a population of 394 (2.32%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Warren County, Illinois in 2018, with a population of 14,177 (83.5%); the second largest ethnic group was White Alone - Hispanic with a population of 1,496 (8.81%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 426 (2.51%).

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, IL in 2018
Total Population:
Race in Warren, IL in 2018
Total Population:
Ethnicity in Warren, IL in 2018
Total Population:
Population By Race in Warren , IL in 2018
Race Population Percentage
Black or African American Alone 477 2.81%
White Alone 15,673 92.31%
American Indian and Alaska Native Alone 71 0.42%
Asian Alone 394 2.32%
Native Hawaiian And Pacific Islander Alone 36 0.21%
Two Or More Races 328 1.93%
Population By Ethnicity in Warren , IL in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 51 0.3%
White Alone - Hispanic 1,496 8.81%
American Indian and Alaska Native Alone - Hispanic 36 0.21%
Asian Alone - Hispanic 6 0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic 15 0.09%
Two Or More Races - Hispanic 40 0.24%
Black or African American Alone - Non Hispanic 426 2.51%
White Alone - Non Hispanic 14,177 83.5%
American Indian and Alaska Native Alone - Non Hispanic 35 0.21%
Asian Alone - Non Hispanic 388 2.29%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 21 0.12%
Two Or More Races - Non Hispanic 288 1.7%