Population By Race and Ethnicity in Clinton, IL in 2021

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2021, the 36,882 population of Clinton County, Illinois comprised of 1,413 people who identified as Hispanic (3.83%), and 35,469 people who identified as Non-Hispanic (96.17%).

Race: The White Alone population was the largest racial group in Clinton County, Illinois with a population of 34,728 (94.16%); Black or African American Alone population was the second largest racial group with a population of 1,233 (3.34%); and Two Or More Races was the third largest racial group with a population of 539 (1.46%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Clinton County, Illinois in 2021, with a population of 33,516 (90.87%); the second largest ethnic group was White Alone - Hispanic with a population of 1,212 (3.29%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 1,163 (3.15%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Clinton, Illinois.

You can find similar information for other Illinois counties, and for Illinois.

See this for other years:
Hispanics and Non Hispanics in Clinton, IL in 2021
Total Population:
Race in Clinton, IL in 2021
Total Population:
Ethnicity in Clinton, IL in 2021
Total Population:
Population By Race in Clinton , IL in 2021
Race Population Percentage
Black or African American Alone 1,233 3.34%
White Alone 34,728 94.16%
American Indian and Alaska Native Alone 136 0.37%
Asian Alone 222 0.6%
Native Hawaiian And Pacific Islander Alone 24 0.07%
Two Or More Races 539 1.46%
Population By Ethnicity in Clinton , IL in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 70 0.19%
White Alone - Hispanic 1,212 3.29%
American Indian and Alaska Native Alone - Hispanic 62 0.17%
Asian Alone - Hispanic 6 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 11 0.03%
Two Or More Races - Hispanic 52 0.14%
Black or African American Alone - Non Hispanic 1,163 3.15%
White Alone - Non Hispanic 33,516 90.87%
American Indian and Alaska Native Alone - Non Hispanic 74 0.2%
Asian Alone - Non Hispanic 216 0.59%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 13 0.04%
Two Or More Races - Non Hispanic 487 1.32%