County · Tennessee · United States
Loudon County ZIP codes
5 ZIP codes · 4 cities · FIPS 47105
Key facts
- State
- Tennessee (TN)
- FIPS code
- 47105
- Population
- 56,996
- Median household income
- $80,296
- Median age
- 48.7
- Land area
- 229.3 sq mi (593.8 km²)
- Population density
- 249 / sq mi
- Area codes
- 423, 865
Cities and ZIP codes in Loudon County (4)
| City | ZIP codes |
|---|---|
| Lenoir City | 37771, 37772 |
| Greenback | 37742 |
| Loudon | 37774 |
| Philadelphia | 37846 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.