Lenoir City
- County:
- Loudon County
- County Seat:
- No
- Area (mi²):
- 8.626
- State:
- Tennessee
Lenoir City is a city located in Loudon County, Tennessee. Lenoir City has a 2026 population of 12,041. Lenoir City is currently growing at a rate of 2.6% annually and its population has increased by 18.91% since the most recent census, which recorded a population of 10,126 in 2020.