Jefferson County occupies an area of 1,845 square miles in western Washington with its headquarters at Port Townsend serving as its county seat having a population exceeding 29k individuals (as per 2019 census). Attractions range from outdoorsy pastimes such as Fort Flagler State Park sheltering wildlife over 725 acres combined with Marrowstone Island Marine Sanctuary & Rocky Brook Falls Trail showcasing waterfalls among lush woodlands to historical venues such as Admiralty Head Lighthouse – restored first floor open to visitor tours; Fort Worden Historical State Park boasting ex-army structures dating back to turn-of-the-century era amongst beauty spots including Dungeness Spit Viewpoint highlighting breathtaking bay views alongside many other adventures scattered throughout Jefferson’s vast terrain.