There was a total of around $38 million of farms, ranches, and rural real estate for sale in Jefferson County, Washington, recently on Land.com. The total acreage of all Jefferson County farms and ranches for sale was 1,000 acres. Jefferson County ranks 33rd in the Evergreen State for the total number of acres of land currently advertised for sale. Port Townsend featured the most land for sale. Based on its natural assets, tourism and recreation contribute significant revenue toward Jefferson County's overall GDP. 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.