Population By Race and Ethnicity in Marion County, IA in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 33,123 population of Marion County, Iowa comprised of 611 people who identified as Hispanic (1.85%), and 32,512 people who identified as Non-Hispanic (98.16%).

Race: The White Alone population was the largest racial group in Marion County, Iowa with a population of 31,949 (96.46%); Asian Alone population was the second largest racial group with a population of 463 (1.4%); and Two Or More Races was the third largest racial group with a population of 354 (1.07%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Marion County, Iowa in 2015, with a population of 31,419 (94.86%); the second largest ethnic group was White Alone - Hispanic with a population of 530 (1.6%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 461 (1.39%).

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 2015
Total Population:
Race in Marion County, IA in 2015
Total Population:
Ethnicity in Marion County, IA in 2015
Total Population:
Population By Race in Marion , IA in 2015
Race Population Percentage
Black or African American Alone 274 0.83%
White Alone 31,949 96.46%
American Indian and Alaska Native Alone 74 0.22%
Asian Alone 463 1.4%
Native Hawaiian And Pacific Islander Alone 9 0.03%
Two Or More Races 354 1.07%
Population By Ethnicity in Marion , IA in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 14 0.04%
White Alone - Hispanic 530 1.6%
American Indian and Alaska Native Alone - Hispanic 31 0.09%
Asian Alone - Hispanic 2 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 2 0.01%
Two Or More Races - Hispanic 32 0.1%
Black or African American Alone - Non Hispanic 260 0.79%
White Alone - Non Hispanic 31,419 94.86%
American Indian and Alaska Native Alone - Non Hispanic 43 0.13%
Asian Alone - Non Hispanic 461 1.39%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 7 0.02%
Two Or More Races - Non Hispanic 322 0.97%