
Loudon
- County:
- Loudon County
- County Seat:
- Yes
- Area (mi²):
- 12.646
- State:
- Tennessee
Loudon is a city located in Loudon County, Tennessee. Loudon has a 2025 population of 7,070. It is also the county seat of Loudon County. Loudon is currently growing at a rate of 3.05% annually and its population has increased by 17.34% since the most recent census, which recorded a population of 6,025 in 2020.
The average household income in Loudon is $84,832 with a poverty rate of 16.16%. The median age in Loudon is 39.8 years: 38.2 years for males, and 44.7 years for females.