Port Townsend
- County:
- Jefferson County
- County Seat:
- Yes
- Area (mi²):
- 6.942
- State:
- Washington
Port Townsend is a city located in Jefferson County, Washington. Port Townsend has a 2026 population of 10,649. It is also the county seat of Jefferson County. Port Townsend is currently growing at a rate of 0.72% annually and its population has increased by 4.7% since the most recent census, which recorded a population of 10,171 in 2020.