Population By Race and Ethnicity in Plymouth County, IA in 2019

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2019, the 25,200 population of Plymouth County, Iowa comprised of 1,442 people who identified as Hispanic (5.72%), and 23,758 people who identified as Non-Hispanic (94.28%).

Race: The White Alone population was the largest racial group in Plymouth County, Iowa with a population of 23,987 (95.19%); Black or African American Alone population was the second largest racial group with a population of 402 (1.6%); and Two Or More Races was the third largest racial group with a population of 324 (1.29%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Plymouth County, Iowa in 2019, with a population of 22,769 (90.35%); the second largest ethnic group was White Alone - Hispanic with a population of 1,218 (4.83%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 375 (1.49%).

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 2019
Total Population:
Race in Plymouth County, IA in 2019
Total Population:
Ethnicity in Plymouth County, IA in 2019
Total Population:
Population By Race in Plymouth , IA in 2019
Race Population Percentage
Black or African American Alone 402 1.6%
White Alone 23,987 95.19%
American Indian and Alaska Native Alone 238 0.94%
Asian Alone 181 0.72%
Native Hawaiian And Pacific Islander Alone 68 0.27%
Two Or More Races 324 1.29%
Population By Ethnicity in Plymouth , IA in 2019
Ethnicity Population Percentage
Black or African American Alone - Hispanic 27 0.11%
White Alone - Hispanic 1,218 4.83%
American Indian and Alaska Native Alone - Hispanic 126 0.5%
Asian Alone - Hispanic 8 0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic 14 0.06%
Two Or More Races - Hispanic 49 0.19%
Black or African American Alone - Non Hispanic 375 1.49%
White Alone - Non Hispanic 22,769 90.35%
American Indian and Alaska Native Alone - Non Hispanic 112 0.44%
Asian Alone - Non Hispanic 173 0.69%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 54 0.21%
Two Or More Races - Non Hispanic 275 1.09%