In 2021, Gallia County, OH had a population of 29.4k people with a median age of 40.7 and a median household income of $50,773. Between 2020 and 2021 the population of Gallia County, OH declined from 29,995 to 29,369, a −2.09% decrease and its median household income grew from $48,975 to $50,773, a 3.67% increase.
The 5 largest ethnic groups in Gallia County, OH are White (Non-Hispanic) (92.8%), Two+ (Non-Hispanic) (2.56%), Black or African American (Non-Hispanic) (2.09%), Asian (Non-Hispanic) (0.793%), and Two+ (Hispanic) (0.538%).
None of the households in Gallia County, OH reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.6% of the residents in Gallia County, OH are U.S. citizens.
In 2021, the median property value in Gallia County, OH was $120,500, and the homeownership rate was 76.7%.
Most people in Gallia County, OH drove alone to work, and the average commute time was 27.8 minutes. The average car ownership in Gallia County, OH was 2 cars per household.