Thurston County is located in the state of Washington, in the Pacific Northwest region of the United States. It was established in 1852 and is named after Samuel Thurston, the first delegate to the U.S. Congress from the Oregon Territory. The county seat is Olympia, which is also the state capital. Thurston County is known for its diverse landscapes, including forests, rivers, and lakes. The county has a population of over 290,000 residents and offers a mix of urban and rural living. It is home to several parks and recreational areas, such as Mount Rainier National Park and Capitol State Forest, making it a popular destination for outdoor activities.