RVParkStore.com has 1 RVs for Sale in Gallatin County, NH. Find the perfect RV, camper, or motorhome in Gallatin County, NH. The current average listing price is around $63,900. RV prices in Gallatin County, NH have remained unchanged at approximately 0% compared to the 12-month average price of $63,900. Listing prices currently range from about $63,900 to $63,900 depending on the size, age, and mileage of the vehicle.