Population By Race and Ethnicity in Marshall, IA in 2018

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2018, the 39,879 population of Marshall County, Iowa comprised of 9,026 people who identified as Hispanic (22.63%), and 30,853 people who identified as Non-Hispanic (77.37%).

Race: The White Alone population was the largest racial group in Marshall County, Iowa with a population of 36,328 (91.1%); Asian Alone population was the second largest racial group with a population of 1,464 (3.67%); and Black or African American Alone was the third largest racial group with a population of 920 (2.31%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Marshall County, Iowa in 2018, with a population of 27,890 (69.94%); the second largest ethnic group was White Alone - Hispanic with a population of 8,438 (21.16%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 1,422 (3.57%).

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

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

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Hispanics and Non Hispanics in Marshall, IA in 2018
Total Population:
Race in Marshall, IA in 2018
Total Population:
Ethnicity in Marshall, IA in 2018
Total Population:
Population By Race in Marshall , IA in 2018
Race Population Percentage
Black or African American Alone 920 2.31%
White Alone 36,328 91.1%
American Indian and Alaska Native Alone 350 0.88%
Asian Alone 1,464 3.67%
Native Hawaiian And Pacific Islander Alone 74 0.19%
Two Or More Races 743 1.86%
Population By Ethnicity in Marshall , IA in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 127 0.32%
White Alone - Hispanic 8,438 21.16%
American Indian and Alaska Native Alone - Hispanic 201 0.5%
Asian Alone - Hispanic 42 0.11%
Native Hawaiian And Pacific Islander Alone - Hispanic 18 0.05%
Two Or More Races - Hispanic 200 0.5%
Black or African American Alone - Non Hispanic 793 1.99%
White Alone - Non Hispanic 27,890 69.94%
American Indian and Alaska Native Alone - Non Hispanic 149 0.37%
Asian Alone - Non Hispanic 1,422 3.57%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 56 0.14%
Two Or More Races - Non Hispanic 543 1.36%