Population By Race and Ethnicity in Union, IL in 2021

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2021, the 16,921 population of Union County, Illinois comprised of 871 people who identified as Hispanic (5.15%), and 16,050 people who identified as Non-Hispanic (94.85%).

Race: The White Alone population was the largest racial group in Union County, Illinois with a population of 16,074 (94.99%); Black or African American Alone population was the second largest racial group with a population of 350 (2.07%); and Two Or More Races was the third largest racial group with a population of 286 (1.69%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Union County, Illinois in 2021, with a population of 15,314 (90.5%); the second largest ethnic group was White Alone - Hispanic with a population of 760 (4.49%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 336 (1.99%).

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

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

See this for other years:
Hispanics and Non Hispanics in Union, IL in 2021
Total Population:
Race in Union, IL in 2021
Total Population:
Ethnicity in Union, IL in 2021
Total Population:
Population By Race in Union , IL in 2021
Race Population Percentage
Black or African American Alone 350 2.07%
White Alone 16,074 94.99%
American Indian and Alaska Native Alone 120 0.71%
Asian Alone 84 0.5%
Native Hawaiian And Pacific Islander Alone 7 0.04%
Two Or More Races 286 1.69%
Population By Ethnicity in Union , IL in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 14 0.08%
White Alone - Hispanic 760 4.49%
American Indian and Alaska Native Alone - Hispanic 53 0.31%
Asian Alone - Hispanic 5 0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic 0 0%
Two Or More Races - Hispanic 39 0.23%
Black or African American Alone - Non Hispanic 336 1.99%
White Alone - Non Hispanic 15,314 90.5%
American Indian and Alaska Native Alone - Non Hispanic 67 0.4%
Asian Alone - Non Hispanic 79 0.47%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 7 0.04%
Two Or More Races - Non Hispanic 247 1.46%