Ottawa, 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 4.41K voting-age population of Ottawa, KS residents comprised of 92 residents who identified as Hispanic or Latino (2.09%), and 4.32K residents who identified as Non-Hispanic (97.91%).

Race: The White Alone voting-age population was the largest racial group in Ottawa, KS, with a voting-age population of 4.14K (93.90%). The Two Or More Races voting-age population was the second largest racial group in Ottawa, KS, with a voting-age population of 190 (4.31%). The Some Other Race Alone voting-age population was the third largest racial group in Ottawa, KS, with a voting-age population of 30 (0.68%). The smallest racial group in Ottawa, 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 Ottawa, KS, with a voting-age population of 4.11K (93.06%). The Non-Hispanic - Two or More Races voting-age population was the second largest ethnic group in Ottawa, KS, with a voting-age population of 151 (3.42%). The Hispanic - Two or More Races voting-age population was the third largest ethnic group in Ottawa, KS, with a voting-age population of 39 (0.88%). The smallest ethnic group in Ottawa, 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 Ottawa, Kansas from the 2020 decennial census.

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

Ottawa, KS Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Ottawa, KS Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Ottawa, KS Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Ottawa, 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 22 0.50
White Alone 4142 93.90
American Indian and Alaska Native Alone 22 0.50
Asian Alone 5 0.11
Native Hawaiian And Pacific Islander Alone 0 0.00
Some Other Race Alone 30 0.68
Two Or More Races 190 4.31
Ottawa, 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 4105 93.06
Non-Hispanic - Two or More Races 151 3.42
Hispanic - Two or More Races 39 0.88
Hispanic - White Alone 37 0.84
Non-Hispanic - Black Alone 22 0.50
Non-Hispanic - American Indian & Alaska Native 22 0.50
Non-Hispanic - Some Other Race Alone 15 0.34
Hispanic - Some Other Race Alone 15 0.34
Non-Hispanic - Asian Alone 4 0.09
Hispanic - Asian Alone 1 0.02
Hispanic - Black Alone 0 0.00
Hispanic - American Indian & Alaska Native 0 0.00
Non-Hispanic - Native Hawaiian & Pac. Islander 0 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00