Population By Race and Ethnicity in Plymouth County, IA in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 24,912 population of Plymouth County, Iowa comprised of 1,116 people who identified as Hispanic (4.48%), and 23,796 people who identified as Non-Hispanic (95.52%).

Race: The White Alone population was the largest racial group in Plymouth County, Iowa with a population of 24,089 (96.7%); Two Or More Races population was the second largest racial group with a population of 270 (1.08%); and Black or African American Alone was the third largest racial group with a population of 172 (0.69%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Plymouth County, Iowa in 2015, with a population of 23,148 (92.92%); the second largest ethnic group was White Alone - Hispanic with a population of 941 (3.78%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 243 (0.98%).

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 2015
Total Population:
Race in Plymouth County, IA in 2015
Total Population:
Ethnicity in Plymouth County, IA in 2015
Total Population:
Population By Race in Plymouth , IA in 2015
Race Population Percentage
Black or African American Alone 172 0.69%
White Alone 24,089 96.7%
American Indian and Alaska Native Alone 168 0.67%
Asian Alone 171 0.69%
Native Hawaiian And Pacific Islander Alone 42 0.17%
Two Or More Races 270 1.08%
Population By Ethnicity in Plymouth , IA in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 20 0.08%
White Alone - Hispanic 941 3.78%
American Indian and Alaska Native Alone - Hispanic 101 0.41%
Asian Alone - Hispanic 13 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 14 0.06%
Two Or More Races - Hispanic 27 0.11%
Black or African American Alone - Non Hispanic 152 0.61%
White Alone - Non Hispanic 23,148 92.92%
American Indian and Alaska Native Alone - Non Hispanic 67 0.27%
Asian Alone - Non Hispanic 158 0.63%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 28 0.11%
Two Or More Races - Non Hispanic 243 0.98%