Population By Race and Ethnicity in Seneca County, OH in 2020

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2020, the 55,051 population of Seneca County, Ohio comprised of 3,016 people who identified as Hispanic (5.48%), and 52,035 people who identified as Non-Hispanic (94.52%).

Race: The White Alone population was the largest racial group in Seneca County, Ohio with a population of 51,573 (93.68%); Black or African American Alone population was the second largest racial group with a population of 1,482 (2.69%); and Two Or More Races was the third largest racial group with a population of 1,358 (2.47%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Seneca County, Ohio in 2020, with a population of 49,009 (89.03%); the second largest ethnic group was White Alone - Hispanic with a population of 2,564 (4.66%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 1,285 (2.33%).

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 2020
Total Population:
Race in Seneca County, OH in 2020
Total Population:
Ethnicity in Seneca County, OH in 2020
Total Population:
Population By Race in Seneca , OH in 2020
Race Population Percentage
Black or African American Alone 1,482 2.69%
White Alone 51,573 93.68%
American Indian and Alaska Native Alone 172 0.31%
Asian Alone 438 0.8%
Native Hawaiian And Pacific Islander Alone 28 0.05%
Two Or More Races 1,358 2.47%
Population By Ethnicity in Seneca , OH in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 197 0.36%
White Alone - Hispanic 2,564 4.66%
American Indian and Alaska Native Alone - Hispanic 57 0.1%
Asian Alone - Hispanic 14 0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic 17 0.03%
Two Or More Races - Hispanic 167 0.3%
Black or African American Alone - Non Hispanic 1,285 2.33%
White Alone - Non Hispanic 49,009 89.03%
American Indian and Alaska Native Alone - Non Hispanic 115 0.21%
Asian Alone - Non Hispanic 424 0.77%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 11 0.02%
Two Or More Races - Non Hispanic 1,191 2.16%