RVParkStore.com has 1 RVs for Sale in Saint Joseph County, IN. Find the perfect RV, camper, or motorhome in Saint Joseph County, IN. The current average listing price is around $97,000. RV prices in Saint Joseph County, IN have remained unchanged at approximately 0% compared to the 12-month average price of $97,000. Listing prices currently range from about $97,000 to $97,000 depending on the size, age, and mileage of the vehicle.