Population By Race and Ethnicity in Plymouth County, IA in 2023

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2023, the 25,722 population of Plymouth County, Iowa comprised of 1,743 people who identified as Hispanic (6.78%), and 23,979 people who identified as Non-Hispanic (93.22%).

Race: The White Alone population was the largest racial group in Plymouth County, Iowa with a population of 24,110 (93.73%); Black or African American Alone population was the second largest racial group with a population of 587 (2.28%); and Two Or More Races was the third largest racial group with a population of 347 (1.35%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Plymouth County, Iowa in 2023, with a population of 22,619 (87.94%); the second largest ethnic group was White Alone - Hispanic with a population of 1,491 (5.8%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 557 (2.17%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Plymouth, Iowa.

You can find similar information for other Iowa counties, and for Iowa.

See this for other years:
Hispanics and Non Hispanics in Plymouth County, IA in 2023
Total Population:
Race in Plymouth County, IA in 2023
Total Population:
Ethnicity in Plymouth County, IA in 2023
Total Population:
Population By Race in Plymouth , IA in 2023
Race Population Percentage
Black or African American Alone 587 2.28%
White Alone 24,110 93.73%
American Indian and Alaska Native Alone 275 1.07%
Asian Alone 188 0.73%
Native Hawaiian And Pacific Islander Alone 215 0.84%
Two Or More Races 347 1.35%
Population By Ethnicity in Plymouth , IA in 2023
Ethnicity Population Percentage
Black or African American Alone - Hispanic 30 0.12%
White Alone - Hispanic 1,491 5.8%
American Indian and Alaska Native Alone - Hispanic 150 0.58%
Asian Alone - Hispanic 10 0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic 13 0.05%
Two Or More Races - Hispanic 49 0.19%
Black or African American Alone - Non Hispanic 557 2.17%
White Alone - Non Hispanic 22,619 87.94%
American Indian and Alaska Native Alone - Non Hispanic 125 0.49%
Asian Alone - Non Hispanic 178 0.69%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 202 0.79%
Two Or More Races - Non Hispanic 298 1.16%