County · Tennessee · United States
Union County ZIP codes
3 ZIP codes · 3 cities · FIPS 47173
Key facts
- State
- Tennessee (TN)
- FIPS code
- 47173
- Population
- 20,141
- Median household income
- $61,858
- Median age
- 42.4
- Land area
- 223.6 sq mi (579.1 km²)
- Population density
- 90 / sq mi
- Area codes
- 865
Cities and ZIP codes in Union County (3)
| City | ZIP codes |
|---|---|
| Luttrell | 37779 |
| Maynardville | 37807 |
| Sharps Chapel | 37866 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.