Seneca County, Ohio Census 2020 Population By Race and Ethnicity

Updated on April 9, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 55.07K population of Seneca County, OH residents comprised of 2.90K residents who identified as Hispanic or Latino (5.26%), and 52.17K residents who identified as Non-Hispanic (94.74%).

Race: The White Alone population was the largest racial group in Seneca County, OH, with a population of 49.36K (89.63%). The Two Or More Races population was the second largest racial group in Seneca County, OH, with a population of 2.92K (5.30%). The Black or African American Alone population was the third largest racial group in Seneca County, OH, with a population of 1.38K (2.51%). The smallest racial group in Seneca County, OH was Native Hawaiian And Pacific Islander Alone with a population of 37 (0.07%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Seneca County, OH, with a population of 48.21K (87.55%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Seneca County, OH, with a population of 2.02K (3.68%). The Non-Hispanic - Black Alone population was the third largest ethnic group in Seneca County, OH, with a population of 1.31K (2.39%). The smallest ethnic group in Seneca County, OH was Hispanic - Native Hawaiian & Pac. Islander with a population of 1 (0.00%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in Seneca County, Ohio from the 2020 decennial census.

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

Seneca County, OH Hispanics and Non Hispanics Population in Census 2020
Total Population:
Seneca County, OH Racial Groups in Census 2020
Total Population:
Seneca County, OH Ethnicity Groups in Census 2020
Total Population:
Seneca County, OH Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 1380 2.51
White Alone 49358 89.63
American Indian and Alaska Native Alone 120 0.22
Asian Alone 363 0.66
Native Hawaiian And Pacific Islander Alone 37 0.07
Some Other Race Alone 891 1.62
Two Or More Races 2920 5.30
Seneca County, OH Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 48213 87.55
Non-Hispanic - Two or More Races 2024 3.68
Non-Hispanic - Black Alone 1314 2.39
Hispanic - White Alone 1145 2.08
Hispanic - Two or More Races 896 1.63
Hispanic - Some Other Race Alone 733 1.33
Non-Hispanic - Asian Alone 359 0.65
Non-Hispanic - Some Other Race Alone 158 0.29
Hispanic - Black Alone 66 0.12
Non-Hispanic - American Indian & Alaska Native 66 0.12
Hispanic - American Indian & Alaska Native 54 0.10
Non-Hispanic - Native Hawaiian & Pac. Islander 36 0.07
Hispanic - Asian Alone 4 0.01
Hispanic - Native Hawaiian & Pac. Islander 1 0.00