Population By Race and Ethnicity in Clay, IL in 2021

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2021, the 13,163 population of Clay County, Illinois comprised of 234 people who identified as Hispanic (1.78%), and 12,929 people who identified as Non-Hispanic (98.22%).

Race: The White Alone population was the largest racial group in Clay County, Illinois with a population of 12,763 (96.96%); Two Or More Races population was the second largest racial group with a population of 152 (1.16%); and Asian Alone was the third largest racial group with a population of 125 (0.95%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Clay County, Illinois in 2021, with a population of 12,552 (95.36%); the second largest ethnic group was White Alone - Hispanic with a population of 211 (1.6%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 146 (1.11%).

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

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

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Hispanics and Non Hispanics in Clay, IL in 2021
Total Population:
Race in Clay, IL in 2021
Total Population:
Ethnicity in Clay, IL in 2021
Total Population:
Population By Race in Clay , IL in 2021
Race Population Percentage
Black or African American Alone 84 0.64%
White Alone 12,763 96.96%
American Indian and Alaska Native Alone 37 0.28%
Asian Alone 125 0.95%
Native Hawaiian And Pacific Islander Alone 2 0.02%
Two Or More Races 152 1.16%
Population By Ethnicity in Clay , IL in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 10 0.08%
White Alone - Hispanic 211 1.6%
American Indian and Alaska Native Alone - Hispanic 4 0.03%
Asian Alone - Hispanic 1 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 2 0.02%
Two Or More Races - Hispanic 6 0.05%
Black or African American Alone - Non Hispanic 74 0.56%
White Alone - Non Hispanic 12,552 95.36%
American Indian and Alaska Native Alone - Non Hispanic 33 0.25%
Asian Alone - Non Hispanic 124 0.94%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 0 0%
Two Or More Races - Non Hispanic 146 1.11%