Adams, 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 3.70K population of Adams, IA residents comprised of 42 residents who identified as Hispanic or Latino (1.13%), and 3.66K residents who identified as Non-Hispanic (98.87%).

Race: The White Alone population was the largest racial group in Adams, IA, with a population of 3.53K (95.33%). The Two Or More Races population was the second largest racial group in Adams, IA, with a population of 107 (2.89%). The Some Other Race Alone population was the third largest racial group in Adams, IA, with a population of 22 (0.59%). The smallest racial group in Adams, IA was Native Hawaiian And Pacific Islander Alone with a population of 0 (0.00%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Adams, IA, with a population of 3.52K (94.98%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Adams, IA, with a population of 89 (2.40%). The Hispanic - Two or More Races population was the third largest ethnic group in Adams, IA, with a population of 18 (0.49%). The smallest ethnic group in Adams, 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 Adams, Iowa from the 2020 decennial census.

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

Adams, IA Hispanics and Non Hispanics Population in Census 2020
Total Population:
Adams, IA Racial Groups in Census 2020
Total Population:
Adams, IA Ethnicity Groups in Census 2020
Total Population:
Adams, IA Population of Racial Groups in Census 2020
Items per page:
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Race Population % of County Population
Black or African American Alone 12 0.32
White Alone 3531 95.33
American Indian and Alaska Native Alone 19 0.51
Asian Alone 13 0.35
Native Hawaiian And Pacific Islander Alone 0 0.00
Some Other Race Alone 22 0.59
Two Or More Races 107 2.89
Adams, IA Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 3518 94.98
Non-Hispanic - Two or More Races 89 2.40
Hispanic - Two or More Races 18 0.49
Non-Hispanic - American Indian & Alaska Native 15 0.41
Non-Hispanic - Some Other Race Alone 15 0.41
Hispanic - White Alone 13 0.35
Non-Hispanic - Asian Alone 13 0.35
Non-Hispanic - Black Alone 12 0.32
Hispanic - Some Other Race Alone 7 0.19
Hispanic - American Indian & Alaska Native 4 0.11
Hispanic - Black Alone 0 0.00
Hispanic - Asian Alone 0 0.00
Non-Hispanic - Native Hawaiian & Pac. Islander 0 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00