DeKalb County ZIP Codes

List of ZIP Codes in DeKalb County

The following table lists ZIP Codes associated with DeKalb 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 37012 36.07112 -86.00563 Alexandria 2,149 22.5
2 37059 35.98611 -85.90798 Dowelltown 1,593 21.9
3 37095 35.98295 -85.95919 Liberty 1,840 9.2
4 37166 35.92444 -85.78978 Smithville 15,116 37.8


About DeKalb County ZIP Codes

DeKalb County in Tennessee (TN) is served by approximately 4 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 20,698 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 DeKalb County are located in cities such as Smithville, Alexandria, Liberty, Dowelltown. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in DeKalb County, Tennessee follow the America/Chicago time zone.