Decatur, Kansas Voting-age Population By Race and Ethnicity from Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 2.20K voting-age population of Decatur, KS residents comprised of 43 residents who identified as Hispanic or Latino (1.96%), and 2.16K residents who identified as Non-Hispanic (98.05%).

Race: The White Alone voting-age population was the largest racial group in Decatur, KS, with a voting-age population of 2.10K (95.27%). The Two Or More Races voting-age population was the second largest racial group in Decatur, KS, with a voting-age population of 71 (3.23%). The Asian Alone voting-age population was the third largest racial group in Decatur, KS, with a voting-age population of 10 (0.46%). The smallest racial group in Decatur, KS was Native Hawaiian And Pacific Islander Alone with a voting-age population of 0 (0.00%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Decatur, KS, with a voting-age population of 2.07K (94.05%). The Non-Hispanic - Two or More Races voting-age population was the second largest ethnic group in Decatur, KS, with a voting-age population of 59 (2.68%). The Hispanic - White Alone voting-age population was the third largest ethnic group in Decatur, KS, with a voting-age population of 27 (1.23%). The smallest ethnic group in Decatur, KS was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 0 (0.00%).

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

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

Decatur, KS Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Decatur, KS Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Decatur, KS Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Decatur, KS Voting-age Population of Racial Groups in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 9 0.41
White Alone 2096 95.27
American Indian and Alaska Native Alone 9 0.41
Asian Alone 10 0.46
Native Hawaiian And Pacific Islander Alone 0 0.00
Some Other Race Alone 5 0.23
Two Or More Races 71 3.23
Decatur, KS Voting-age Population of Ethnicity Groups in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 2069 94.05
Non-Hispanic - Two or More Races 59 2.68
Hispanic - White Alone 27 1.23
Hispanic - Two or More Races 12 0.55
Non-Hispanic - Asian Alone 10 0.46
Non-Hispanic - Black Alone 9 0.41
Non-Hispanic - American Indian & Alaska Native 7 0.32
Non-Hispanic - Some Other Race Alone 3 0.14
Hispanic - American Indian & Alaska Native 2 0.09
Hispanic - Some Other Race Alone 2 0.09
Hispanic - Black Alone 0 0.00
Hispanic - Asian Alone 0 0.00
Non-Hispanic - Native Hawaiian & Pac. Islander 0 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00