Old Orchard Beach is a resort town in York County, Maine, United States. The population was 8,960 at the 2020 census. It is part of the Portland-South Portland-Biddeford metropolitan area. Located on the inner side of Saco Bay on the Atlantic Ocean, the town is a popular seaside resort. The downtown contains many tourist-oriented businesses, including clam …Old Orchard Beach is a resort town in York County, Maine, United States. The population was 8,960 at the 2020 census. It is part of the Portland-South Portland-Biddeford metropolitan area. Located on the inner side of Saco Bay on the Atlantic Ocean, the town is a popular seaside resort. The downtown contains many tourist-oriented businesses, including clam shacks and T-shirt shops. A wooden pier on the beach contains many other tourist businesses, including a variety of souvenir shops. The town's seven-mile long beach extends into the towns of Scarborough and Saco, and is lined with many beach residential properties, condominiums, motels and bed and breakfasts.