Seneca, 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 43.03K voting-age population of Seneca, OH residents comprised of 1.82K residents who identified as Hispanic or Latino (4.24%), and 41.21K residents who identified as Non-Hispanic (95.76%).

Race: The White Alone voting-age population was the largest racial group in Seneca, OH, with a voting-age population of 39.19K (91.08%). The Two Or More Races voting-age population was the second largest racial group in Seneca, OH, with a voting-age population of 1.68K (3.90%). The Black or African American Alone voting-age population was the third largest racial group in Seneca, OH, with a voting-age population of 1.07K (2.49%). The smallest racial group in Seneca, OH was Native Hawaiian And Pacific Islander Alone with a voting-age population of 30 (0.07%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Seneca, OH, with a voting-age population of 38.50K (89.48%). The Non-Hispanic - Two or More Races voting-age population was the second largest ethnic group in Seneca, OH, with a voting-age population of 1.17K (2.73%). The Non-Hispanic - Black Alone voting-age population was the third largest ethnic group in Seneca, OH, with a voting-age population of 1.04K (2.42%). The smallest ethnic group in Seneca, OH 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 Seneca, Ohio from the 2020 decennial census.

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

Seneca, OH Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Seneca, OH Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Seneca, OH Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Seneca, 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 1072 2.49
White Alone 39193 91.08
American Indian and Alaska Native Alone 101 0.24
Asian Alone 293 0.68
Native Hawaiian And Pacific Islander Alone 30 0.07
Some Other Race Alone 662 1.54
Two Or More Races 1680 3.90
Seneca, 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 38502 89.48
Non-Hispanic - Two or More Races 1174 2.73
Non-Hispanic - Black Alone 1042 2.42
Hispanic - White Alone 691 1.61
Hispanic - Some Other Race Alone 549 1.28
Hispanic - Two or More Races 506 1.18
Non-Hispanic - Asian Alone 289 0.67
Non-Hispanic - Some Other Race Alone 113 0.26
Non-Hispanic - American Indian & Alaska Native 57 0.13
Hispanic - American Indian & Alaska Native 44 0.10
Hispanic - Black Alone 30 0.07
Non-Hispanic - Native Hawaiian & Pac. Islander 30 0.07
Hispanic - Asian Alone 4 0.01
Hispanic - Native Hawaiian & Pac. Islander 0 0.00