Union County, Tennessee ZIP Codes
- ZIP records
3 - Cities represented
3 - Sum of listed ZIP population estimates
17,186
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 | 37807 | Maynardville | 11,069 |
| 2 | 37779 | Luttrell | 3,649 |
| 3 | 37866 | Sharps Chapel | 2,468 |
Cities in Union 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.