Loudon County, Tennessee ZIP Codes
- ZIP records
5 - Cities represented
4 - Sum of listed ZIP population estimates
66,097
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 37774 | Loudon | 21,784 |
| 2 | 37771 | Lenoir City | 18,042 |
| 3 | 37772 | Lenoir City | 14,646 |
| 4 | 37742 | Greenback | 7,046 |
| 5 | 37846 | Philadelphia | 4,579 |
Cities in Loudon County
ZIP Directory
Browse all ZIP data for Tennessee
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.