Population By Race and Ethnicity in Marshall, IA in 2015

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2015, the 40,340 population of Marshall County, Iowa comprised of 8,317 people who identified as Hispanic (20.62%), and 32,023 people who identified as Non-Hispanic (79.38%).

Race: The White Alone population was the largest racial group in Marshall County, Iowa with a population of 37,148 (92.09%); Asian Alone population was the second largest racial group with a population of 1,317 (3.27%); and Black or African American Alone was the third largest racial group with a population of 787 (1.95%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Marshall County, Iowa in 2015, with a population of 29,364 (72.79%); the second largest ethnic group was White Alone - Hispanic with a population of 7,784 (19.3%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 1,276 (3.16%).

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.

See this for other years:
Hispanics and Non Hispanics in Marshall, IA in 2015
Total Population:
Race in Marshall, IA in 2015
Total Population:
Ethnicity in Marshall, IA in 2015
Total Population:
Population By Race in Marshall , IA in 2015
Race Population Percentage
Black or African American Alone 787 1.95%
White Alone 37,148 92.09%
American Indian and Alaska Native Alone 317 0.79%
Asian Alone 1,317 3.27%
Native Hawaiian And Pacific Islander Alone 63 0.16%
Two Or More Races 708 1.76%
Population By Ethnicity in Marshall , IA in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 115 0.28%
White Alone - Hispanic 7,784 19.3%
American Indian and Alaska Native Alone - Hispanic 176 0.44%
Asian Alone - Hispanic 41 0.1%
Native Hawaiian And Pacific Islander Alone - Hispanic 18 0.05%
Two Or More Races - Hispanic 183 0.45%
Black or African American Alone - Non Hispanic 672 1.67%
White Alone - Non Hispanic 29,364 72.79%
American Indian and Alaska Native Alone - Non Hispanic 141 0.35%
Asian Alone - Non Hispanic 1,276 3.16%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 45 0.11%
Two Or More Races - Non Hispanic 525 1.3%