Gallia County, OH has a population of 30,376 people with a median age of 40.5 and a median household income of $39,423. Between 2015 and 2016 the population of Gallia County, OH declined from 30,565 to 30,376, a 0.62% decrease and its median household income grew from $37,319 to $39,423, a 5.64% increase.
The population of Gallia County, OH is 93.8% White, 2.69% Black, and 1.21% Hispanic. 3.25% of the people in Gallia County, OH speak a non-English language, and 99% are U.S. citizens.
The largest universities in Gallia County, OH are University of Rio Grande, with 407 graduates, Buckeye Hills Career Center, with 116 graduates, and Gallipolis Career College, with 32 graduates.
The median property value in Gallia County, OH is $101,200, and the homeownership rate is 74.8%. Most people in Gallia County, OH commute by Drove Alone, and the average commute time is 26.8 minutes. The average car ownership in Gallia County, OH is 2 cars per household.
Gallia County, OH is the 73rd most populated county in Ohio and borders Jackson County, OH; Lawrence County, OH; Meigs County, OH; Vinton County, OH; Cabell County, WV; and Mason County, WV& 1 more.