Marshall County, Iowa Census 2020 Population By Race and Ethnicity

Updated on April 9, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 40.10K population of Marshall County, 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 County, IA, with a population of 29.58K (73.75%). The Some Other Race Alone population was the second largest racial group in Marshall County, IA, with a population of 4.13K (10.29%). The Two Or More Races population was the third largest racial group in Marshall County, IA, with a population of 3.71K (9.24%). The smallest racial group in Marshall County, 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 County, IA, with a population of 27.44K (68.42%). The Hispanic - Some Other Race Alone population was the second largest ethnic group in Marshall County, IA, with a population of 4.07K (10.14%). The Hispanic - Two or More Races population was the third largest ethnic group in Marshall County, IA, with a population of 2.72K (6.79%). The smallest ethnic group in Marshall County, 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 County, Iowa from the 2020 decennial census.

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

Marshall County, IA Hispanics and Non Hispanics Population in Census 2020
Total Population:40,105
77.21%22.79%
Non Hispanic (77.21%)
Hispanic (22.79%)
Marshall County, IA Racial Groups in Census 2020
Total Population:40,105
73.75%10.29%9.24%
White Alone (73.75%)
Some Other Race Alone (10.29%)
Two or more races (9.24%)
Asian Alone (3.78%)
Black or African American Alone (2.03%)
American Indian and Alaska Native Alone (0.82%)
Native Hawaiian And Pacific Islander Alone (0.08%)
Marshall County, IA Ethnicity Groups in Census 2020
Total Population:40,105
68.42%10.14%
Non-Hispanic - White Alone (68.42%)
Hispanic - Some Other Race Alone (10.14%)
Hispanic - Two or more races (6.79%)
Hispanic - White Alone (5.34%)
Non-Hispanic - Asian Alone (3.78%)
Non-Hispanic - Two or more races (2.45%)
Non-Hispanic - Black or African American Alone (1.96%)
All Other Ethnicities (1.14%)
Marshall County, IA Population of Racial Groups in Census 2020
Race
Population
% of County Population
White Alone 29,579 73.75
Some Other Race Alone 4,125 10.29
Two Or More Races 3,706 9.24
Asian Alone 1,517 3.78
Black or African American Alone 815 2.03
American Indian and Alaska Native Alone 330 0.82
Native Hawaiian And Pacific Islander Alone 33 0.08
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Marshall County, IA Population of Ethnicity Groups in Census 2020
Ethnicity
Population
% of County Population
Non-Hispanic - White Alone 27,438 68.42
Hispanic - Some Other Race Alone 4,066 10.14
Hispanic - Two or More Races 2,723 6.79
Hispanic - White Alone 2,141 5.34
Non-Hispanic - Asian Alone 1,514 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
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