Loudon County ZIP Codes

List of ZIP Codes in Loudon County

The following table lists ZIP Codes associated with Loudon County, Tennessee, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude City Population Density
1 37742 35.67548 -84.18049 Greenback 7,568 59.1
2 37771 35.8382 -84.31748 Lenoir City 17,829 137.3
3 37772 35.78775 -84.21876 Lenoir City 14,164 141.4
4 37774 35.7317 -84.35526 Loudon 20,989 91.9
5 37846 35.68008 -84.48505 Philadelphia 4,177 22.2


About Loudon County ZIP Codes

Loudon County in Tennessee (TN) is served by approximately 5 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 64,727 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Loudon County are located in cities such as Lenoir City, Loudon, Greenback, Philadelphia. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Loudon County, Tennessee follow the America/New_York time zone.