RVParkStore.com has 1 RVs for Sale in Lamar Co, CO. Find the perfect RV, camper, or motorhome in Lamar Co, CO. The current average listing price is around $149,500. RV prices in Lamar Co, CO have remained unchanged at approximately 0% compared to the 12-month average price of $149,500. Listing prices currently range from about $149,500 to $149,500 depending on the size, age, and mileage of the vehicle.