There are 5 zip codes in Loudon County, Tennessee. The most populated is 37774, located in Loudon. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | City | Population |
---|---|---|
37774 | Loudon | 19,713 |
37771 | Lenoir City | 17,802 |
37772 | Lenoir City | 13,597 |
37742 | Greenback | 6,600 |
37846 | Philadelphia | 4,374 |