RVParkStore.com has 1 RVs for Sale in Gallatin County, PA. Find the perfect RV, camper, or motorhome in Gallatin County, PA. The current average listing price is around $17,000. RV prices in Gallatin County, PA have remained unchanged at approximately 0% compared to the 12-month average price of $17,000. Listing prices currently range from about $17,000 to $17,000 depending on the size, age, and mileage of the vehicle.