Hamilton, Ohio 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 645.53K voting-age population of Hamilton, OH residents comprised of 22.87K residents who identified as Hispanic or Latino (3.54%), and 622.65K residents who identified as Non-Hispanic (96.46%).

Race: The White Alone voting-age population was the largest racial group in Hamilton, OH, with a voting-age population of 429.98K (66.61%). The Black or African American Alone voting-age population was the second largest racial group in Hamilton, OH, with a voting-age population of 152.33K (23.60%). The Two Or More Races voting-age population was the third largest racial group in Hamilton, OH, with a voting-age population of 28.57K (4.43%). The smallest racial group in Hamilton, OH was Native Hawaiian And Pacific Islander Alone with a voting-age population of 443 (0.07%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Hamilton, OH, with a voting-age population of 426.11K (66.01%). The Non-Hispanic - Black Alone voting-age population was the second largest ethnic group in Hamilton, OH, with a voting-age population of 151.47K (23.47%). The Non-Hispanic - Two or More Races voting-age population was the third largest ethnic group in Hamilton, OH, with a voting-age population of 21.20K (3.28%). The smallest ethnic group in Hamilton, OH was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 41 (0.01%).

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

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

Hamilton, OH Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Hamilton, OH Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Hamilton, OH Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Hamilton, OH 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 152332 23.60
White Alone 429982 66.61
American Indian and Alaska Native Alone 1602 0.25
Asian Alone 20204 3.13
Native Hawaiian And Pacific Islander Alone 443 0.07
Some Other Race Alone 12395 1.92
Two Or More Races 28568 4.43
Hamilton, OH 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 426112 66.01
Non-Hispanic - Black Alone 151470 23.47
Non-Hispanic - Two or More Races 21200 3.28
Non-Hispanic - Asian Alone 20068 3.11
Hispanic - Some Other Race Alone 9912 1.54
Hispanic - Two or More Races 7368 1.14
Hispanic - White Alone 3870 0.60
Non-Hispanic - Some Other Race Alone 2483 0.39
Non-Hispanic - American Indian & Alaska Native 917 0.14
Hispanic - Black Alone 862 0.13
Hispanic - American Indian & Alaska Native 685 0.11
Non-Hispanic - Native Hawaiian & Pac. Islander 402 0.06
Hispanic - Asian Alone 136 0.02
Hispanic - Native Hawaiian & Pac. Islander 41 0.01