Population By Race and Ethnicity in Seneca County, OH in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 55,256 population of Seneca County, Ohio comprised of 2,957 people who identified as Hispanic (5.35%), and 52,299 people who identified as Non-Hispanic (94.65%).

Race: The White Alone population was the largest racial group in Seneca County, Ohio with a population of 51,913 (93.95%); Black or African American Alone population was the second largest racial group with a population of 1,486 (2.69%); and Two Or More Races was the third largest racial group with a population of 1,241 (2.25%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Seneca County, Ohio in 2018, with a population of 49,391 (89.39%); the second largest ethnic group was White Alone - Hispanic with a population of 2,522 (4.56%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 1,302 (2.36%).

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 2018
Total Population:
Race in Seneca County, OH in 2018
Total Population:
Ethnicity in Seneca County, OH in 2018
Total Population:
Population By Race in Seneca , OH in 2018
Race Population Percentage
Black or African American Alone 1,486 2.69%
White Alone 51,913 93.95%
American Indian and Alaska Native Alone 162 0.29%
Asian Alone 429 0.78%
Native Hawaiian And Pacific Islander Alone 25 0.05%
Two Or More Races 1,241 2.25%
Population By Ethnicity in Seneca , OH in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 184 0.33%
White Alone - Hispanic 2,522 4.56%
American Indian and Alaska Native Alone - Hispanic 46 0.08%
Asian Alone - Hispanic 14 0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic 17 0.03%
Two Or More Races - Hispanic 174 0.32%
Black or African American Alone - Non Hispanic 1,302 2.36%
White Alone - Non Hispanic 49,391 89.39%
American Indian and Alaska Native Alone - Non Hispanic 116 0.21%
Asian Alone - Non Hispanic 415 0.75%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 8 0.01%
Two Or More Races - Non Hispanic 1,067 1.93%