The capital of Washington is Olympia, which has been the capital since 1853. It is located in Thurston County and is the county seat. Olympia is the home of the state government, including the governor's mansion, the state capitol building, and other government offices. Olympia is also home to many cultural attractions, such as the Washington State History Museum, the Hands On Children's Museum, and the Olympia Symphony Orchestra. Olympia is a vibrant city with a population of over 50, 000 people.