Population By Race and Ethnicity in Decatur, IN in 2018

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2018, the 26,685 population of Decatur County, Indiana comprised of 559 people who identified as Hispanic (2.1%), and 26,126 people who identified as Non-Hispanic (97.91%).

Race: The White Alone population was the largest racial group in Decatur County, Indiana with a population of 25,827 (96.79%); Asian Alone population was the second largest racial group with a population of 367 (1.38%); and Two Or More Races was the third largest racial group with a population of 247 (0.93%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Decatur County, Indiana in 2018, with a population of 25,350 (95%); the second largest ethnic group was White Alone - Hispanic with a population of 477 (1.79%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 353 (1.32%).

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

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

See this for other years:
Hispanics and Non Hispanics in Decatur, IN in 2018
Total Population:
Race in Decatur, IN in 2018
Total Population:
Ethnicity in Decatur, IN in 2018
Total Population:
Population By Race in Decatur , IN in 2018
Race Population Percentage
Black or African American Alone 161 0.6%
White Alone 25,827 96.79%
American Indian and Alaska Native Alone 71 0.27%
Asian Alone 367 1.38%
Native Hawaiian And Pacific Islander Alone 12 0.05%
Two Or More Races 247 0.93%
Population By Ethnicity in Decatur , IN in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 18 0.07%
White Alone - Hispanic 477 1.79%
American Indian and Alaska Native Alone - Hispanic 24 0.09%
Asian Alone - Hispanic 14 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 0 0%
Two Or More Races - Hispanic 26 0.1%
Black or African American Alone - Non Hispanic 143 0.54%
White Alone - Non Hispanic 25,350 95%
American Indian and Alaska Native Alone - Non Hispanic 47 0.18%
Asian Alone - Non Hispanic 353 1.32%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 12 0.05%
Two Or More Races - Non Hispanic 221 0.83%