
Altamont
- County:
- Grundy County
- County Seat:
- Yes
- Area (mi²):
- 19.824
- State:
- Tennessee
Altamont is a town located in Grundy County, Tennessee. Altamont has a 2025 population of 1,170. It is also the county seat of Grundy County. Altamont is currently growing at a rate of 0.78% annually and its population has increased by 4% since the most recent census, which recorded a population of 1,125 in 2020.
The average household income in Altamont is $84,269 with a poverty rate of 24.14%. The median age in Altamont is 49 years: 47.2 years for males, and 51 years for females.