Decatur, Indiana Census 2020 Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 26.47K population of Decatur, IN residents comprised of 614 residents who identified as Hispanic or Latino (2.32%), and 25.86K residents who identified as Non-Hispanic (97.68%).

Race: The White Alone population was the largest racial group in Decatur, IN, with a population of 24.96K (94.29%). The Two Or More Races population was the second largest racial group in Decatur, IN, with a population of 970 (3.66%). The Some Other Race Alone population was the third largest racial group in Decatur, IN, with a population of 238 (0.90%). The smallest racial group in Decatur, IN was Native Hawaiian And Pacific Islander Alone with a population of 8 (0.03%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Decatur, IN, with a population of 24.77K (93.57%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Decatur, IN, with a population of 763 (2.88%). The Hispanic - Two or More Races population was the third largest ethnic group in Decatur, IN, with a population of 207 (0.78%). The smallest ethnic group in Decatur, IN was Hispanic - Native Hawaiian & Pac. Islander with a population of 0 (0.00%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in Decatur, Indiana from the 2020 decennial census.

You can see similar information for other Indiana counties and also for the state of Indiana.

Decatur, IN Hispanics and Non Hispanics Population in Census 2020
Total Population:
Decatur, IN Racial Groups in Census 2020
Total Population:
Decatur, IN Ethnicity Groups in Census 2020
Total Population:
Decatur, IN Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 91 0.34
White Alone 24961 94.29
American Indian and Alaska Native Alone 44 0.17
Asian Alone 160 0.60
Native Hawaiian And Pacific Islander Alone 8 0.03
Some Other Race Alone 238 0.90
Two Or More Races 970 3.66
Decatur, IN Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 24769 93.57
Non-Hispanic - Two or More Races 763 2.88
Hispanic - Two or More Races 207 0.78
Hispanic - Some Other Race Alone 199 0.75
Hispanic - White Alone 192 0.73
Non-Hispanic - Asian Alone 154 0.58
Non-Hispanic - Black Alone 90 0.34
Non-Hispanic - Some Other Race Alone 39 0.15
Non-Hispanic - American Indian & Alaska Native 35 0.13
Hispanic - American Indian & Alaska Native 9 0.03
Non-Hispanic - Native Hawaiian & Pac. Islander 8 0.03
Hispanic - Asian Alone 6 0.02
Hispanic - Black Alone 1 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00