RVParkStore.com has 1 RVs for Sale in Mclennan County, ID. Find the perfect RV, camper, or motorhome in Mclennan County, ID. The current average listing price is around $24,000. RV prices in Mclennan County, ID have remained unchanged at approximately 0% compared to the 12-month average price of $24,000. Listing prices currently range from about $24,000 to $24,000 depending on the size, age, and mileage of the vehicle.