RVParkStore.com has 1 RVs for Sale in Elkhart County, MT. Find the perfect RV, camper, or motorhome in Elkhart County, MT. The current average listing price is around $149,000. RV prices in Elkhart County, MT have remained unchanged at approximately 0% compared to the 12-month average price of $149,000. Listing prices currently range from about $149,000 to $149,000 depending on the size, age, and mileage of the vehicle.