Warren County, Illinois Population By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on July 13, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, the total Warren County, IL population was 16,887. The White Alone racial group had the highest population (14.71K) and constituted 87.08% of the total Warren County population. The Some Other Race Alone racial group had the second highest population (749) and constituted 4.43% of the population. The third highest racial group was Black or African American Alone (653), constituting 3.87% of the population.

The population of the Non-Hispanic White Alone ethnicity group was 13.95K and constituted 82.61% of the population. The population of the Hispanic or Latino of All Races ethnicity group was (1.69K) and constituted 9.98% of the population.

The charts and tables below shows the population and percentages by race and ethnicity.

Note: Missing racial or ethnicity groups means there was not enough information for an estimate.

You can also see similar information for other Illinois counties, and for Illinois.

Data Source: US Census - ACS 5-Year Estimates.

Warren County, Illinois Population By Race in 2021

White Alone

Some Other Race Alone

Black or African American Alone

Two Or More Races

Asian Alone

American Indian and Alaska Native Alone

Native Hawaiian And Pacific Islander Alone

Warren County, Illinois Population By Ethnicity in 2021

Non-Hispanic White Alone

Hispanic or Latino of All Races

Warren County, Illinois Population By Race in 2021

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Race	Population	% of Total Pop.
White Alone	14705	87.08
Some Other Race Alone	749	4.43
Black or African American Alone	653	3.87
Two Or More Races	274	1.62
Asian Alone	252	1.49
American Indian and Alaska Native Alone	205	1.21
Native Hawaiian And Pacific Islander Alone	49	0.29

Warren County, Illinois Population By Ethnicity in 2021

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Ethnicity	Population	% of Total Pop.
Non-Hispanic White Alone	13951	82.61
Hispanic or Latino of All Races	1686	9.98