RVParkStore.com has 7 RVs for Sale in Delaware County, PA. Find the perfect RV, camper, or motorhome in Delaware County, PA. The current average listing price is around $55,871. RV prices in Delaware County, PA have increased approximately 28% compared to the 12-month average price of $43,609. Listing prices currently range from about $18,999 to $120,000 depending on the size, age, and mileage of the vehicle.