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

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the 46,427 population of Clinton County, Iowa comprised of 1,546 people who identified as Hispanic (3.33%), and 44,881 people who identified as Non-Hispanic (96.67%).

Race: The White Alone population was the largest racial group in Clinton County, Iowa with a population of 43,370 (93.42%); Black or African American Alone population was the second largest racial group with a population of 1,404 (3.02%); and Two Or More Races was the third largest racial group with a population of 1,100 (2.37%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Clinton County, Iowa in 2020, with a population of 42,071 (90.62%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 1,335 (2.88%); and the third largest ethnic group was White Alone - Hispanic with a population of 1,299 (2.8%).

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

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

See this for other years:
Hispanics and Non Hispanics in Clinton County, IA in 2020
Total Population:
Race in Clinton County, IA in 2020
Total Population:
Ethnicity in Clinton County, IA in 2020
Total Population:
Population By Race in Clinton , IA in 2020
Race Population Percentage
Black or African American Alone 1,404 3.02%
White Alone 43,370 93.42%
American Indian and Alaska Native Alone 188 0.41%
Asian Alone 334 0.72%
Native Hawaiian And Pacific Islander Alone 31 0.07%
Two Or More Races 1,100 2.37%
Population By Ethnicity in Clinton , IA in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 69 0.15%
White Alone - Hispanic 1,299 2.8%
American Indian and Alaska Native Alone - Hispanic 68 0.15%
Asian Alone - Hispanic 11 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 7 0.02%
Two Or More Races - Hispanic 92 0.2%
Black or African American Alone - Non Hispanic 1,335 2.88%
White Alone - Non Hispanic 42,071 90.62%
American Indian and Alaska Native Alone - Non Hispanic 120 0.26%
Asian Alone - Non Hispanic 323 0.7%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 24 0.05%
Two Or More Races - Non Hispanic 1,008 2.17%