Population By Race and Ethnicity in Decatur County, IA in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 8,145 population of Decatur County, Iowa comprised of 212 people who identified as Hispanic (2.6%), and 7,933 people who identified as Non-Hispanic (97.4%).

Race: The White Alone population was the largest racial group in Decatur County, Iowa with a population of 7,775 (95.46%); Black or African American Alone population was the second largest racial group with a population of 145 (1.78%); and Two Or More Races was the third largest racial group with a population of 104 (1.28%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Decatur County, Iowa in 2015, with a population of 7,596 (93.26%); the second largest ethnic group was White Alone - Hispanic with a population of 179 (2.2%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 139 (1.71%).

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 2015
Total Population:
Race in Decatur County, IA in 2015
Total Population:
Ethnicity in Decatur County, IA in 2015
Total Population:
Population By Race in Decatur , IA in 2015
Race Population Percentage
Black or African American Alone 145 1.78%
White Alone 7,775 95.46%
American Indian and Alaska Native Alone 42 0.52%
Asian Alone 62 0.76%
Native Hawaiian And Pacific Islander Alone 17 0.21%
Two Or More Races 104 1.28%
Population By Ethnicity in Decatur , IA in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 6 0.07%
White Alone - Hispanic 179 2.2%
American Indian and Alaska Native Alone - Hispanic 8 0.1%
Asian Alone - Hispanic 5 0.06%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0.01%
Two Or More Races - Hispanic 13 0.16%
Black or African American Alone - Non Hispanic 139 1.71%
White Alone - Non Hispanic 7,596 93.26%
American Indian and Alaska Native Alone - Non Hispanic 34 0.42%
Asian Alone - Non Hispanic 57 0.7%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 16 0.2%
Two Or More Races - Non Hispanic 91 1.12%