Population By Race and Ethnicity in Decatur County, IA in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 8,419 population of Decatur County, Iowa comprised of 187 people who identified as Hispanic (2.22%), and 8,232 people who identified as Non-Hispanic (97.78%).

Race: The White Alone population was the largest racial group in Decatur County, Iowa with a population of 8,072 (95.88%); Black or African American Alone population was the second largest racial group with a population of 155 (1.84%); and Two Or More Races was the third largest racial group with a population of 82 (0.97%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Decatur County, Iowa in 2010, with a population of 7,914 (94%); the second largest ethnic group was White Alone - Hispanic with a population of 158 (1.88%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 149 (1.77%).

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 2010
Total Population:
Race in Decatur County, IA in 2010
Total Population:
Ethnicity in Decatur County, IA in 2010
Total Population:
Population By Race in Decatur , IA in 2010
Race Population Percentage
Black or African American Alone 155 1.84%
White Alone 8,072 95.88%
American Indian and Alaska Native Alone 34 0.4%
Asian Alone 59 0.7%
Native Hawaiian And Pacific Islander Alone 17 0.2%
Two Or More Races 82 0.97%
Population By Ethnicity in Decatur , IA in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 6 0.07%
White Alone - Hispanic 158 1.88%
American Indian and Alaska Native Alone - Hispanic 6 0.07%
Asian Alone - Hispanic 5 0.06%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0.01%
Two Or More Races - Hispanic 11 0.13%
Black or African American Alone - Non Hispanic 149 1.77%
White Alone - Non Hispanic 7,914 94%
American Indian and Alaska Native Alone - Non Hispanic 28 0.33%
Asian Alone - Non Hispanic 54 0.64%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 16 0.19%
Two Or More Races - Non Hispanic 71 0.84%