Population By Race and Ethnicity in Decatur County, IA in 2021

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2021, the 7,668 population of Decatur County, Iowa comprised of 236 people who identified as Hispanic (3.08%), and 7,432 people who identified as Non-Hispanic (96.92%).

Race: The White Alone population was the largest racial group in Decatur County, Iowa with a population of 7,254 (94.6%); Black or African American Alone population was the second largest racial group with a population of 158 (2.06%); and Two Or More Races was the third largest racial group with a population of 126 (1.64%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Decatur County, Iowa in 2021, with a population of 7,071 (92.21%); the second largest ethnic group was White Alone - Hispanic with a population of 183 (2.39%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 141 (1.84%).

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 2021
Total Population:
Race in Decatur County, IA in 2021
Total Population:
Ethnicity in Decatur County, IA in 2021
Total Population:
Population By Race in Decatur , IA in 2021
Race Population Percentage
Black or African American Alone 158 2.06%
White Alone 7,254 94.6%
American Indian and Alaska Native Alone 44 0.57%
Asian Alone 73 0.95%
Native Hawaiian And Pacific Islander Alone 13 0.17%
Two Or More Races 126 1.64%
Population By Ethnicity in Decatur , IA in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 17 0.22%
White Alone - Hispanic 183 2.39%
American Indian and Alaska Native Alone - Hispanic 10 0.13%
Asian Alone - Hispanic 6 0.08%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0.01%
Two Or More Races - Hispanic 19 0.25%
Black or African American Alone - Non Hispanic 141 1.84%
White Alone - Non Hispanic 7,071 92.21%
American Indian and Alaska Native Alone - Non Hispanic 34 0.44%
Asian Alone - Non Hispanic 67 0.87%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 12 0.16%
Two Or More Races - Non Hispanic 107 1.4%