RVParkStore.com has 1 RVs for Sale in Gallia County, OH. Find the perfect RV, camper, or motorhome in Gallia County, OH. The current average listing price is around $239,500. RV prices in Gallia County, OH have increased approximately 137% compared to the 12-month average price of $101,167. Listing prices currently range from about $239,500 to $239,500 depending on the size, age, and mileage of the vehicle.