Population By Race and Ethnicity in Marion County, IA in 2021

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2021, the 33,444 population of Marion County, Iowa comprised of 769 people who identified as Hispanic (2.3%), and 32,675 people who identified as Non-Hispanic (97.7%).

Race: The White Alone population was the largest racial group in Marion County, Iowa with a population of 32,085 (95.94%); Two Or More Races population was the second largest racial group with a population of 481 (1.44%); and Asian Alone was the third largest racial group with a population of 474 (1.42%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Marion County, Iowa in 2021, with a population of 31,422 (93.95%); the second largest ethnic group was White Alone - Hispanic with a population of 663 (1.98%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 469 (1.4%).

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

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

See this for other years:
Hispanics and Non Hispanics in Marion County, IA in 2021
Total Population:
Race in Marion County, IA in 2021
Total Population:
Ethnicity in Marion County, IA in 2021
Total Population:
Population By Race in Marion , IA in 2021
Race Population Percentage
Black or African American Alone 306 0.92%
White Alone 32,085 95.94%
American Indian and Alaska Native Alone 84 0.25%
Asian Alone 474 1.42%
Native Hawaiian And Pacific Islander Alone 14 0.04%
Two Or More Races 481 1.44%
Population By Ethnicity in Marion , IA in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 18 0.05%
White Alone - Hispanic 663 1.98%
American Indian and Alaska Native Alone - Hispanic 35 0.11%
Asian Alone - Hispanic 5 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 2 0.01%
Two Or More Races - Hispanic 46 0.14%
Black or African American Alone - Non Hispanic 288 0.86%
White Alone - Non Hispanic 31,422 93.95%
American Indian and Alaska Native Alone - Non Hispanic 49 0.15%
Asian Alone - Non Hispanic 469 1.4%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 12 0.04%
Two Or More Races - Non Hispanic 435 1.3%