Union, Iowa 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 12.14K population of Union, IA residents comprised of 399 residents who identified as Hispanic or Latino (3.29%), and 11.74K residents who identified as Non-Hispanic (96.71%).

Race: The White Alone population was the largest racial group in Union, IA, with a population of 11.37K (93.63%). The Two Or More Races population was the second largest racial group in Union, IA, with a population of 441 (3.63%). The Black or African American Alone population was the third largest racial group in Union, IA, with a population of 118 (0.97%). The smallest racial group in Union, IA was Native Hawaiian And Pacific Islander Alone with a population of 7 (0.06%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Union, IA, with a population of 11.22K (92.46%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Union, IA, with a population of 295 (2.43%). The Hispanic - Two or More Races population was the third largest ethnic group in Union, IA, with a population of 146 (1.20%). The smallest ethnic group in Union, IA 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, Iowa from the 2020 decennial census.

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

Union, IA Hispanics and Non Hispanics Population in Census 2020
Total Population:
Union, IA Racial Groups in Census 2020
Total Population:
Union, IA Ethnicity Groups in Census 2020
Total Population:
Union, IA Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 118 0.97
White Alone 11365 93.63
American Indian and Alaska Native Alone 38 0.31
Asian Alone 65 0.54
Native Hawaiian And Pacific Islander Alone 7 0.06
Some Other Race Alone 104 0.86
Two Or More Races 441 3.63
Union, IA Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 11223 92.46
Non-Hispanic - Two or More Races 295 2.43
Hispanic - Two or More Races 146 1.20
Hispanic - White Alone 142 1.17
Non-Hispanic - Black Alone 114 0.94
Hispanic - Some Other Race Alone 94 0.77
Non-Hispanic - Asian Alone 65 0.54
Non-Hispanic - American Indian & Alaska Native 25 0.21
Hispanic - American Indian & Alaska Native 13 0.11
Non-Hispanic - Some Other Race Alone 10 0.08
Non-Hispanic - Native Hawaiian & Pac. Islander 7 0.06
Hispanic - Black Alone 4 0.03
Hispanic - Asian Alone 0 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00