Marshall, Iowa Census 2020 Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 40.10K population of Marshall, IA residents comprised of 9.14K residents who identified as Hispanic or Latino (22.79%), and 30.97K residents who identified as Non-Hispanic (77.21%).

Race: The White Alone population was the largest racial group in Marshall, IA, with a population of 29.58K (73.75%). The Some Other Race Alone population was the second largest racial group in Marshall, IA, with a population of 4.13K (10.29%). The Two Or More Races population was the third largest racial group in Marshall, IA, with a population of 3.71K (9.24%). The smallest racial group in Marshall, IA was Native Hawaiian And Pacific Islander Alone with a population of 33 (0.08%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Marshall, IA, with a population of 27.44K (68.42%). The Hispanic - Some Other Race Alone population was the second largest ethnic group in Marshall, IA, with a population of 4.07K (10.14%). The Hispanic - Two or More Races population was the third largest ethnic group in Marshall, IA, with a population of 2.72K (6.79%). The smallest ethnic group in Marshall, IA was Hispanic - Native Hawaiian & Pac. Islander with a population of 0 (0.00%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in Marshall, Iowa from the 2020 decennial census.

You can see similar information for other Iowa counties and also for the state of Iowa.

Marshall, IA Hispanics and Non Hispanics Population in Census 2020
Total Population:
Marshall, IA Racial Groups in Census 2020
Total Population:
Marshall, IA Ethnicity Groups in Census 2020
Total Population:
Marshall, IA Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 815 2.03
White Alone 29579 73.75
American Indian and Alaska Native Alone 330 0.82
Asian Alone 1517 3.78
Native Hawaiian And Pacific Islander Alone 33 0.08
Some Other Race Alone 4125 10.29
Two Or More Races 3706 9.24
Marshall, IA Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 27438 68.42
Hispanic - Some Other Race Alone 4066 10.14
Hispanic - Two or More Races 2723 6.79
Hispanic - White Alone 2141 5.34
Non-Hispanic - Asian Alone 1514 3.78
Non-Hispanic - Two or More Races 983 2.45
Non-Hispanic - Black Alone 785 1.96
Hispanic - American Indian & Alaska Native 177 0.44
Non-Hispanic - American Indian & Alaska Native 153 0.38
Non-Hispanic - Some Other Race Alone 59 0.15
Non-Hispanic - Native Hawaiian & Pac. Islander 33 0.08
Hispanic - Black Alone 30 0.08
Hispanic - Asian Alone 3 0.01
Hispanic - Native Hawaiian & Pac. Islander 0 0.00