Union, Illinois Census 2020 Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 17.24K population of Union, IL residents comprised of 867 residents who identified as Hispanic or Latino (5.03%), and 16.38K residents who identified as Non-Hispanic (94.97%).

Race: The White Alone population was the largest racial group in Union, IL, with a population of 15.51K (89.96%). The Two Or More Races population was the second largest racial group in Union, IL, with a population of 1.05K (6.07%). The Some Other Race Alone population was the third largest racial group in Union, IL, with a population of 288 (1.67%). The smallest racial group in Union, IL was Native Hawaiian And Pacific Islander Alone with a population of 11 (0.06%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Union, IL, with a population of 15.33K (88.91%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Union, IL, with a population of 668 (3.87%). The Hispanic - Two or More Races population was the third largest ethnic group in Union, IL, with a population of 379 (2.20%). The smallest ethnic group in Union, IL was Hispanic - Native Hawaiian & Pac. Islander with a population of 0 (0.00%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in Union, Illinois from the 2020 decennial census.

You can see similar information for other Illinois counties and also for the state of Illinois.

Union, IL Hispanics and Non Hispanics Population in Census 2020
Total Population:
Union, IL Racial Groups in Census 2020
Total Population:
Union, IL Ethnicity Groups in Census 2020
Total Population:
Union, IL Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 228 1.32
White Alone 15513 89.96
American Indian and Alaska Native Alone 90 0.52
Asian Alone 67 0.39
Native Hawaiian And Pacific Islander Alone 11 0.06
Some Other Race Alone 288 1.67
Two Or More Races 1047 6.07
Union, IL Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 15331 88.91
Non-Hispanic - Two or More Races 668 3.87
Hispanic - Two or More Races 379 2.20
Hispanic - Some Other Race Alone 260 1.51
Non-Hispanic - Black Alone 226 1.31
Hispanic - White Alone 182 1.06
Non-Hispanic - Asian Alone 67 0.39
Non-Hispanic - American Indian & Alaska Native 46 0.27
Hispanic - American Indian & Alaska Native 44 0.26
Non-Hispanic - Some Other Race Alone 28 0.16
Non-Hispanic - Native Hawaiian & Pac. Islander 11 0.06
Hispanic - Black Alone 2 0.01
Hispanic - Asian Alone 0 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00