
Philadelphia
- County:
- Loudon County
- County Seat:
- No
- Area (mi²):
- 1.555
- State:
- Tennessee
Philadelphia is a city located in Loudon County, Tennessee. Philadelphia has a 2025 population of 699. Philadelphia is currently growing at a rate of 2.64% annually and its population has increased by 14.97% since the most recent census, which recorded a population of 608 in 2020.
The average household income in Philadelphia is $84,866 with a poverty rate of 9.97%. The median age in Philadelphia is 34.8 years: 38.6 years for males, and 32.8 years for females.