Signal Mountain
- County:
- Hamilton County
- County Seat:
- No
- Area (mi²):
- 8.37
- State:
- Tennessee
Signal Mountain is a town located in Hamilton County, Tennessee. Signal Mountain has a 2026 population of 8,877. Signal Mountain is currently declining at a rate of -0.24% annually but its population has increased by 0.26% since the most recent census, which recorded a population of 8,854 in 2020.