Population By Race and Ethnicity in Marshall County, IA in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the 40,096 population of Marshall County, Iowa comprised of 9,232 people who identified as Hispanic (23.03%), and 30,864 people who identified as Non-Hispanic (76.97%).

Race: The White Alone population was the largest racial group in Marshall County, Iowa with a population of 36,477 (90.97%); Asian Alone population was the second largest racial group with a population of 1,550 (3.87%); and Black or African American Alone was the third largest racial group with a population of 900 (2.25%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Marshall County, Iowa in 2020, with a population of 27,851 (69.46%); the second largest ethnic group was White Alone - Hispanic with a population of 8,626 (21.51%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 1,504 (3.75%).

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 County, IA in 2020
Total Population:
Race in Marshall County, IA in 2020
Total Population:
Ethnicity in Marshall County, IA in 2020
Total Population:
Population By Race in Marshall , IA in 2020
Race Population Percentage
Black or African American Alone 900 2.25%
White Alone 36,477 90.97%
American Indian and Alaska Native Alone 347 0.87%
Asian Alone 1,550 3.87%
Native Hawaiian And Pacific Islander Alone 79 0.2%
Two Or More Races 743 1.85%
Population By Ethnicity in Marshall , IA in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 151 0.38%
White Alone - Hispanic 8,626 21.51%
American Indian and Alaska Native Alone - Hispanic 206 0.51%
Asian Alone - Hispanic 46 0.12%
Native Hawaiian And Pacific Islander Alone - Hispanic 19 0.05%
Two Or More Races - Hispanic 184 0.46%
Black or African American Alone - Non Hispanic 749 1.87%
White Alone - Non Hispanic 27,851 69.46%
American Indian and Alaska Native Alone - Non Hispanic 141 0.35%
Asian Alone - Non Hispanic 1,504 3.75%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 60 0.15%
Two Or More Races - Non Hispanic 559 1.39%