Population By Race and Ethnicity in Marion County, IA in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 33,225 population of Marion County, Iowa comprised of 533 people who identified as Hispanic (1.6%), and 32,692 people who identified as Non-Hispanic (98.4%).

Race: The White Alone population was the largest racial group in Marion County, Iowa with a population of 32,228 (97%); Asian Alone population was the second largest racial group with a population of 399 (1.2%); and Two Or More Races was the third largest racial group with a population of 296 (0.89%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Marion County, Iowa in 2010, with a population of 31,756 (95.58%); the second largest ethnic group was White Alone - Hispanic with a population of 472 (1.42%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 398 (1.2%).

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 2010
Total Population:
Race in Marion County, IA in 2010
Total Population:
Ethnicity in Marion County, IA in 2010
Total Population:
Population By Race in Marion , IA in 2010
Race Population Percentage
Black or African American Alone 232 0.7%
White Alone 32,228 97%
American Indian and Alaska Native Alone 62 0.19%
Asian Alone 399 1.2%
Native Hawaiian And Pacific Islander Alone 8 0.02%
Two Or More Races 296 0.89%
Population By Ethnicity in Marion , IA in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 14 0.04%
White Alone - Hispanic 472 1.42%
American Indian and Alaska Native Alone - Hispanic 20 0.06%
Asian Alone - Hispanic 1 0%
Native Hawaiian And Pacific Islander Alone - Hispanic 2 0.01%
Two Or More Races - Hispanic 24 0.07%
Black or African American Alone - Non Hispanic 218 0.66%
White Alone - Non Hispanic 31,756 95.58%
American Indian and Alaska Native Alone - Non Hispanic 42 0.13%
Asian Alone - Non Hispanic 398 1.2%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 6 0.02%
Two Or More Races - Non Hispanic 272 0.82%