The value of land for sale in Jefferson County, Washington, recently on Land.com was nearly $43 million. This represents nearly 1,000 acres of ranches, farms, hunting land and other rural land and acreage for sale in Jefferson County. Jefferson County ranks 32nd out of 39 counties in the Evergreen State for the combined amount of land currently advertised for sale. Of all locations in Jefferson County with land for sale, Port Townsend featured the most land for sale. Based on its natural assets, Jefferson County's economy is dependent on tourism and recreation. Jefferson County is the 15th biggest county (2,187 square miles) in Washington. It's located in the Olympic Peninsula Washington region of the state.