Illinois's 18th Congressional District Voting-age Population By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on July 17, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, the voting-age population of Illinois's 18th Congressional District was 542,416. The White Alone racial group had the highest voting-age population (492.37K) and constituted 90.77% of the total voting-age population. The Black or African American Alone racial group had the second highest voting-age population (21.28K) and constituted 3.92% of the total voting-age population. The Asian Alone racial group had the third highest voting-age population (13.88K) and constituted 2.56% of the total voting-age population.

The voting-age population of the Non-Hispanic White Alone ethnicity group was 484.37K and constituted 89.30% of the total voting-age population. The voting-age population of the Hispanic or Latino of All Races ethnicity group was 13.98K and constituted 2.58% of the total voting-age population.

The charts and tables below shows the voting-age 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 congressional districts, and for Illinois.

Illinois's 18th Congressional District Voting-age Population By Race in 2021
White Alone
Black or African American Alone
Asian Alone
Two Or More Races
Some Other Race Alone
American Indian and Alaska Native Alone
Native Hawaiian And Pacific Islander Alone
Illinois's 18th Congressional District Voting-age Population By Ethnicity in 2021
Non-Hispanic White Alone
Hispanic or Latino of All Races
Illinois's 18th Congressional District Voting-age Population By Race in 2021
Items per page:
0 of 0
Race Voting-age Population % of Total Voting-age Pop.
White Alone 492368 90.77
Black or African American Alone 21282 3.92
Asian Alone 13881 2.56
Two Or More Races 10784 1.99
Some Other Race Alone 3297 0.61
American Indian and Alaska Native Alone 554 0.10
Native Hawaiian And Pacific Islander Alone 250 0.05
Illinois's 18th Congressional District Voting-age Population By Ethnicity in 2021
Items per page:
0 of 0
Ethnicity Voting-age Population % of Total Voting-age Pop.
Non-Hispanic White Alone 484368 89.30
Hispanic or Latino of All Races 13984 2.58