Gallia, Ohio Census 2020 Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 29.22K population of Gallia, OH residents comprised of 262 residents who identified as Hispanic or Latino (0.90%), and 28.96K residents who identified as Non-Hispanic (99.10%).

Race: The White Alone population was the largest racial group in Gallia, OH, with a population of 27.05K (92.57%). The Two Or More Races population was the second largest racial group in Gallia, OH, with a population of 1.21K (4.15%). The Black or African American Alone population was the third largest racial group in Gallia, OH, with a population of 600 (2.05%). The smallest racial group in Gallia, OH was Native Hawaiian And Pacific Islander Alone with a population of 5 (0.02%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Gallia, OH, with a population of 26.96K (92.25%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Gallia, OH, with a population of 1.12K (3.83%). The Non-Hispanic - Black Alone population was the third largest ethnic group in Gallia, OH, with a population of 597 (2.04%). The smallest ethnic group in Gallia, OH was Hispanic - Native Hawaiian & Pac. Islander with a population of 0 (0.00%).

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

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

Gallia, OH Hispanics and Non Hispanics Population in Census 2020
Total Population:
Gallia, OH Racial Groups in Census 2020
Total Population:
Gallia, OH Ethnicity Groups in Census 2020
Total Population:
Gallia, OH Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 600 2.05
White Alone 27049 92.57
American Indian and Alaska Native Alone 64 0.22
Asian Alone 148 0.51
Native Hawaiian And Pacific Islander Alone 5 0.02
Some Other Race Alone 141 0.48
Two Or More Races 1213 4.15
Gallia, OH Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 26955 92.25
Non-Hispanic - Two or More Races 1119 3.83
Non-Hispanic - Black Alone 597 2.04
Non-Hispanic - Asian Alone 148 0.51
Hispanic - White Alone 94 0.32
Hispanic - Two or More Races 94 0.32
Non-Hispanic - Some Other Race Alone 79 0.27
Hispanic - Some Other Race Alone 62 0.21
Non-Hispanic - American Indian & Alaska Native 55 0.19
Hispanic - American Indian & Alaska Native 9 0.03
Non-Hispanic - Native Hawaiian & Pac. Islander 5 0.02
Hispanic - Black Alone 3 0.01
Hispanic - Asian Alone 0 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00