Jamestown
- County:
- Fentress County
- County Seat:
- Yes
- Area (mi²):
- 3.119
- State:
- Tennessee
Jamestown is a city located in Fentress County, Tennessee. Jamestown has a 2026 population of 2,102. It is also the county seat of Fentress County. Jamestown is currently growing at a rate of 1.2% annually and its population has increased by 4.06% since the most recent census, which recorded a population of 2,020 in 2020.