Population By Race and Ethnicity in Mahaska, IA in 2019

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2019, the 22,429 population of Mahaska County, Iowa comprised of 535 people who identified as Hispanic (2.38%), and 21,894 people who identified as Non-Hispanic (97.62%).

Race: The White Alone population was the largest racial group in Mahaska County, Iowa with a population of 21,163 (94.36%); Black or African American Alone population was the second largest racial group with a population of 488 (2.18%); and Asian Alone was the third largest racial group with a population of 404 (1.8%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Mahaska County, Iowa in 2019, with a population of 20,719 (92.38%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 466 (2.08%); and the third largest ethnic group was White Alone - Hispanic with a population of 444 (1.98%).

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

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

See this for other years:
Hispanics and Non Hispanics in Mahaska, IA in 2019
Total Population:
Race in Mahaska, IA in 2019
Total Population:
Ethnicity in Mahaska, IA in 2019
Total Population:
Population By Race in Mahaska , IA in 2019
Race Population Percentage
Black or African American Alone 488 2.18%
White Alone 21,163 94.36%
American Indian and Alaska Native Alone 97 0.43%
Asian Alone 404 1.8%
Native Hawaiian And Pacific Islander Alone 9 0.04%
Two Or More Races 268 1.2%
Population By Ethnicity in Mahaska , IA in 2019
Ethnicity Population Percentage
Black or African American Alone - Hispanic 22 0.1%
White Alone - Hispanic 444 1.98%
American Indian and Alaska Native Alone - Hispanic 35 0.16%
Asian Alone - Hispanic 4 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 0 0%
Two Or More Races - Hispanic 30 0.13%
Black or African American Alone - Non Hispanic 466 2.08%
White Alone - Non Hispanic 20,719 92.38%
American Indian and Alaska Native Alone - Non Hispanic 62 0.28%
Asian Alone - Non Hispanic 400 1.78%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 9 0.04%
Two Or More Races - Non Hispanic 238 1.06%