DeKalb County, Tennessee ZIP Codes
- ZIP records
4 - Cities represented
4 - Sum of listed ZIP population estimates
21,136
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 | 37166 | Smithville | 15,731 |
| 2 | 37012 | Alexandria | 2,118 |
| 3 | 37095 | Liberty | 1,697 |
| 4 | 37059 | Dowelltown | 1,590 |
Cities in DeKalb 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.