Plymouth County, Iowa Voting-age Population By Race and Ethnicity from Census 2020

Updated on August 29, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 19.22K voting-age population of Plymouth County, IA residents comprised of 894 residents who identified as Hispanic or Latino (4.65%), and 18.32K residents who identified as Non-Hispanic (95.35%).

Race: The White Alone voting-age population was the largest racial group in Plymouth County, IA, with a voting-age population of 17.74K (92.30%). The Two Or More Races voting-age population was the second largest racial group in Plymouth County, IA, with a voting-age population of 600 (3.12%). The Some Other Race Alone voting-age population was the third largest racial group in Plymouth County, IA, with a voting-age population of 424 (2.21%). The smallest racial group in Plymouth County, IA was American Indian and Alaska Native Alone with a voting-age population of 66 (0.34%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Plymouth County, IA, with a voting-age population of 17.56K (91.39%). The Hispanic - Some Other Race Alone voting-age population was the second largest ethnic group in Plymouth County, IA, with a voting-age population of 389 (2.02%). The Non-Hispanic - Two or More Races voting-age population was the third largest ethnic group in Plymouth County, IA, with a voting-age population of 300 (1.56%). The smallest ethnic group in Plymouth County, IA was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 0 (0.00%).

The charts and tables below shows the voting-age population and percentage of each racial group and ethnicity group in Plymouth County, Iowa from the 2020 decennial census.

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

Plymouth County, IA Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Plymouth County, IA Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Plymouth County, IA Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Plymouth County, IA Voting-age Population of Racial Groups in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 218 1.14
White Alone 17736 92.30
American Indian and Alaska Native Alone 66 0.34
Asian Alone 97 0.51
Native Hawaiian And Pacific Islander Alone 74 0.39
Some Other Race Alone 424 2.21
Two Or More Races 600 3.12
Plymouth County, IA Voting-age Population of Ethnicity Groups in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 17561 91.39
Hispanic - Some Other Race Alone 389 2.02
Non-Hispanic - Two or More Races 300 1.56
Hispanic - Two or More Races 300 1.56
Non-Hispanic - Black Alone 218 1.14
Hispanic - White Alone 175 0.91
Non-Hispanic - Asian Alone 97 0.51
Non-Hispanic - Native Hawaiian & Pac. Islander 74 0.39
Non-Hispanic - American Indian & Alaska Native 36 0.19
Non-Hispanic - Some Other Race Alone 35 0.18
Hispanic - American Indian & Alaska Native 30 0.16
Hispanic - Black Alone 0 0.00
Hispanic - Asian Alone 0 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00