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

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2020, the 7,605 population of Decatur County, Iowa comprised of 256 people who identified as Hispanic (3.37%), and 7,349 people who identified as Non-Hispanic (96.63%).

Race: The White Alone population was the largest racial group in Decatur County, Iowa with a population of 7,204 (94.73%); Black or African American Alone population was the second largest racial group with a population of 156 (2.05%); and Two Or More Races was the third largest racial group with a population of 118 (1.55%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Decatur County, Iowa in 2020, with a population of 6,992 (91.94%); the second largest ethnic group was White Alone - Hispanic with a population of 212 (2.79%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 142 (1.87%).

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

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

See this for other years:
Hispanics and Non Hispanics in Decatur County, IA in 2020
Total Population:
Race in Decatur County, IA in 2020
Total Population:
Ethnicity in Decatur County, IA in 2020
Total Population:
Population By Race in Decatur , IA in 2020
Race Population Percentage
Black or African American Alone 156 2.05%
White Alone 7,204 94.73%
American Indian and Alaska Native Alone 43 0.56%
Asian Alone 71 0.93%
Native Hawaiian And Pacific Islander Alone 13 0.17%
Two Or More Races 118 1.55%
Population By Ethnicity in Decatur , IA in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 14 0.18%
White Alone - Hispanic 212 2.79%
American Indian and Alaska Native Alone - Hispanic 10 0.13%
Asian Alone - Hispanic 5 0.07%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0.01%
Two Or More Races - Hispanic 14 0.18%
Black or African American Alone - Non Hispanic 142 1.87%
White Alone - Non Hispanic 6,992 91.94%
American Indian and Alaska Native Alone - Non Hispanic 33 0.43%
Asian Alone - Non Hispanic 66 0.87%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 12 0.16%
Two Or More Races - Non Hispanic 104 1.37%