Population By Race and Ethnicity in Clayton County, IA in 2020

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2020, the 17,030 population of Clayton County, Iowa comprised of 370 people who identified as Hispanic (2.17%), and 16,660 people who identified as Non-Hispanic (97.83%).

Race: The White Alone population was the largest racial group in Clayton County, Iowa with a population of 16,585 (97.39%); Two Or More Races population was the second largest racial group with a population of 184 (1.08%); and Black or African American Alone was the third largest racial group with a population of 159 (0.93%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Clayton County, Iowa in 2020, with a population of 16,270 (95.54%); the second largest ethnic group was White Alone - Hispanic with a population of 315 (1.85%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 171 (1%).

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

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

See this for other years:
Hispanics and Non Hispanics in Clayton County, IA in 2020
Total Population:
Race in Clayton County, IA in 2020
Total Population:
Ethnicity in Clayton County, IA in 2020
Total Population:
Population By Race in Clayton , IA in 2020
Race Population Percentage
Black or African American Alone 159 0.93%
White Alone 16,585 97.39%
American Indian and Alaska Native Alone 40 0.24%
Asian Alone 45 0.26%
Native Hawaiian And Pacific Islander Alone 17 0.1%
Two Or More Races 184 1.08%
Population By Ethnicity in Clayton , IA in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 13 0.08%
White Alone - Hispanic 315 1.85%
American Indian and Alaska Native Alone - Hispanic 20 0.12%
Asian Alone - Hispanic 7 0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic 2 0.01%
Two Or More Races - Hispanic 13 0.08%
Black or African American Alone - Non Hispanic 146 0.86%
White Alone - Non Hispanic 16,270 95.54%
American Indian and Alaska Native Alone - Non Hispanic 20 0.12%
Asian Alone - Non Hispanic 38 0.22%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 15 0.09%
Two Or More Races - Non Hispanic 171 1%