RVParkStore.com has 3 RVs for Sale in Darlington County, SC. Find the perfect RV, camper, or motorhome in Darlington County, SC. The current average listing price is around $163,650. RV prices in Darlington County, SC have increased approximately 60% compared to the 12-month average price of $102,106. Listing prices currently range from about $18,950 to $300,000 depending on the size, age, and mileage of the vehicle.