Question: The town in which Birch Point State Park is located in had what population in the 2010 census?

full_context: Document 1: Fort Point State Park: Fort Point State Park is a public recreation area with historic features that overlooks Penobscot Bay from the easternmost tip of Cape Jellison in the town of Stockton Springs, Maine. The state park's 156 acre feature the Fort Point Light and the site of historic Fort Pownall. The park offers hiking trails, picnicking, and fishing.
Document 2: Brian Booth State Park: Brian Booth State Park is a coastal recreational area located near Seal Rock, Oregon. It consists of two major portions: Ona Beach State Park and Beaver Creek Natural Area. The park has beach access, kayaking, and hiking trails. The park is 886.32 acres and has an annual attendance of 247,772 people. Ona is known as a Chinook Jargon word for razor clam.
Document 3: Oxford, Maine: Oxford is a town in Oxford County, Maine, United States. The population was 4,110 at the 2010 census. Oxford is home to the Oxford Plains Speedway, the annual Oxford County Fair, and Oxford Casino. The town includes the village of Welchville.
Document 4: Warren Island State Park: Warren Island State Park is state-owned island and public recreation area on Penobscot Bay in the town of Islesboro, Waldo County, Maine. The 70 acre state park sits about ½-mile from Islesboro Island and 3 mi offshore from the mainland at Lincolnville. The island was acquired by the state of Maine for one dollar in 1959. Hiking trails, campsites, and open-faced shelters are found on the island; a pier allows access by private boat.
Document 5: Birch Point State Park: Birch Point State Park is a public recreation area occupying 62 acre on Penobscot Bay in the town of Owls Head, Knox County, Maine. The state park features a sandy, crescent-shaped "pocket beach" with scenic views of the Muscle Ridge Islands dotting Muscle Ridge Channel. The park is managed by the Maine Department of Agriculture, Conservation and Forestry.
Document 6: Kittery Point, Maine: Kittery Point is a census-designated place (CDP) in the town of Kittery, York County, Maine, United States. First settled in 1623, Kittery Point traces its history to the first seafarers who colonized the shore of what became Massachusetts Bay Colony and later the State of Maine. Located beside the Atlantic Ocean, it is home to Fort McClary State Historic Site, and Fort Foster Park on Gerrish Island. Cutts Island is home to Seapoint Beach and the Brave Boat Harbor Division of the Rachel Carson National Wildlife Refuge.
Document 7: North Point State Park: North Point State Park is a public recreation area located on Chesapeake Bay in Edgemere, Baltimore County, Maryland. The state park includes the site of the former Bay Shore Park, which was one of the state's premiere amusement parks during the first half of the 20th century. The park features restored remnants of the old amusement park as well as facilities for swimming, picnicking, bicycling, and hiking. Black Marsh, a 667 acre state wildlands area, makes up half the park's area. The park is administered by the Maryland Department of Natural Resources.
Document 8: Presque Isle State Park: Presque Isle State Park is a 3112 acre Pennsylvania state park on an arching, sandy peninsula that juts into Lake Erie, 4 mi west of the city of Erie, in Millcreek Township, Erie County, Pennsylvania, in the United States. The peninsula sweeps northeastward, surrounding Presque Isle Bay along the park's southern coast. It has 13 mi of roads, 21 mi of recreational trails, 13 beaches for swimming, and a marina. Popular activities at the park include swimming, boating, hiking, biking, and birdwatching.
Document 9: Penobscot Bay: Penobscot Bay is an inlet of the Gulf of Maine and Atlantic Ocean in south central Maine. The bay originates from the mouth of Maine's Penobscot River, downriver from Belfast. Penobscot Bay has many working waterfronts including Rockland, Rockport, and Stonington, and Belfast upriver. Penobscot Bay is between Muscongus Bay and Blue Hill Bay, just west of Acadia National Park.
Document 10: Knox County Regional Airport: Knox County Regional Airport (IATA: RKD, ICAO: KRKD, FAA LID: RKD) is a county owned, public use airport in Knox County, Maine, United States. It is located three nautical miles (6 km) south of the central business district of Rockland, Maine. The airport serves the residents of midcoast Maine with commercial and charter aviation services. Scheduled airline service is subsidized by the Essential Air Service program. It is also a major hub of freight and mail service to Maine's island communities including Matinicus, North Haven and Vinalhaven.
Document 11: Owls Head, Maine: Owls Head is a town in Knox County, Maine, United States. The population was 1,580 at the 2010 census. A resort and fishing area, the community is home to the Knox County Regional Airport. It includes the village of Ash Point.
Document 12: Knox County Regional Airport: Knox County Regional Airport (IATA: RKD, ICAO: KRKD, FAA LID: RKD) is a county owned, public use airport in Knox County, Maine, United States. It is located three nautical miles (6 km) south of the central business district of Rockland, Maine. The airport serves the residents of midcoast Maine with commercial and charter aviation services. Scheduled airline service is subsidized by the Essential Air Service program. It is also a major hub of freight and mail service to Maine's island communities including Matinicus, North Haven and Vinalhaven.
Document 13: Isle au Haut, Maine: Isle au Haut ( ) is a town in Knox County, Maine, United States, on an island of the same name in Penobscot Bay. The population was 73 at the 2010 census. Home to portions of Acadia National Park, Isle au Haut is accessible by ferry from Stonington, Maine.
Document 14: North Haven, Maine: North Haven is a town in Knox County, Maine, United States, in Penobscot Bay. The town is both a year-round island community and a prominent summer colony. The population was 355 at the 2010 census. North Haven is accessed by three-times daily ferry service from Rockland, or by air taxi from Knox County Regional Airport.
Document 15: Vinalhaven, Maine: Vinalhaven is a town located on the larger of the two Fox Islands in Knox County, Maine, United States. Vinalhaven is also used to refer to the Island itself. The population was 1,165 at the 2010 census. It is home to a thriving lobster fishery and hosts a summer colony. Since there is no bridge to the island, Vinalhaven is accessible from Rockland via an approximately hour-and-fifteen-minute ferry ride across West Penobscot Bay, or by air taxi from Knox County Regional Airport.
ground_truth: 1,580