Population By Race and Ethnicity in Plymouth County, IA in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 24,978 population of Plymouth County, Iowa comprised of 750 people who identified as Hispanic (3%), and 24,228 people who identified as Non-Hispanic (97%).

Race: The White Alone population was the largest racial group in Plymouth County, Iowa with a population of 24,452 (97.89%); Two Or More Races population was the second largest racial group with a population of 214 (0.86%); and Asian Alone was the third largest racial group with a population of 115 (0.46%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Plymouth County, Iowa in 2010, with a population of 23,768 (95.16%); the second largest ethnic group was White Alone - Hispanic with a population of 684 (2.74%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 195 (0.78%).

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 2010
Total Population:
Race in Plymouth County, IA in 2010
Total Population:
Ethnicity in Plymouth County, IA in 2010
Total Population:
Population By Race in Plymouth , IA in 2010
Race Population Percentage
Black or African American Alone 86 0.34%
White Alone 24,452 97.89%
American Indian and Alaska Native Alone 85 0.34%
Asian Alone 115 0.46%
Native Hawaiian And Pacific Islander Alone 26 0.1%
Two Or More Races 214 0.86%
Population By Ethnicity in Plymouth , IA in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 6 0.02%
White Alone - Hispanic 684 2.74%
American Indian and Alaska Native Alone - Hispanic 29 0.12%
Asian Alone - Hispanic 2 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 10 0.04%
Two Or More Races - Hispanic 19 0.08%
Black or African American Alone - Non Hispanic 80 0.32%
White Alone - Non Hispanic 23,768 95.16%
American Indian and Alaska Native Alone - Non Hispanic 56 0.22%
Asian Alone - Non Hispanic 113 0.45%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 16 0.06%
Two Or More Races - Non Hispanic 195 0.78%