Jasper
- County:
- Marion County
- County Seat:
- Yes
- Area (mi²):
- 9.846
- State:
- Tennessee
Jasper is a town located in Marion County, Tennessee. Jasper has a 2026 population of 3,655. It is also the county seat of Marion County. Jasper is currently growing at a rate of 0.77% annually and its population has increased by 1.08% since the most recent census, which recorded a population of 3,616 in 2020.