Population By Race and Ethnicity in Seneca County, OH in 2021

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2021, the 54,954 population of Seneca County, Ohio comprised of 3,115 people who identified as Hispanic (5.67%), and 51,839 people who identified as Non-Hispanic (94.33%).

Race: The White Alone population was the largest racial group in Seneca County, Ohio with a population of 51,471 (93.66%); Black or African American Alone population was the second largest racial group with a population of 1,458 (2.65%); and Two Or More Races was the third largest racial group with a population of 1,386 (2.52%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Seneca County, Ohio in 2021, with a population of 48,816 (88.83%); the second largest ethnic group was White Alone - Hispanic with a population of 2,655 (4.83%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 1,267 (2.31%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Seneca, Ohio.

You can find similar information for other Ohio counties, and for Ohio.

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Hispanics and Non Hispanics in Seneca County, OH in 2021
Total Population:
Race in Seneca County, OH in 2021
Total Population:
Ethnicity in Seneca County, OH in 2021
Total Population:
Population By Race in Seneca , OH in 2021
Race Population Percentage
Black or African American Alone 1,458 2.65%
White Alone 51,471 93.66%
American Indian and Alaska Native Alone 182 0.33%
Asian Alone 422 0.77%
Native Hawaiian And Pacific Islander Alone 35 0.06%
Two Or More Races 1,386 2.52%
Population By Ethnicity in Seneca , OH in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 191 0.35%
White Alone - Hispanic 2,655 4.83%
American Indian and Alaska Native Alone - Hispanic 62 0.11%
Asian Alone - Hispanic 14 0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic 21 0.04%
Two Or More Races - Hispanic 172 0.31%
Black or African American Alone - Non Hispanic 1,267 2.31%
White Alone - Non Hispanic 48,816 88.83%
American Indian and Alaska Native Alone - Non Hispanic 120 0.22%
Asian Alone - Non Hispanic 408 0.74%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 14 0.03%
Two Or More Races - Non Hispanic 1,214 2.21%