County · New Mexico · United States
Union County ZIP codes
8 ZIP codes · 8 cities · FIPS 35059
Key facts
- State
- New Mexico (NM)
- FIPS code
- 35059
- Population
- 4,039
- Median household income
- $45,319
- Median age
- 40.3
- Land area
- 3,825 sq mi (9,906.8 km²)
- Population density
- 1 / sq mi
- Area codes
- 575
Cities and ZIP codes in Union County (8)
| City | ZIP codes |
|---|---|
| Amistad | 88410 |
| Capulin | 88414 |
| Clayton | 88415 |
| Des Moines | 88418 |
| Folsom | 88419 |
| Gladstone | 88422 |
| Grenville | 88424 |
| Sedan | 88436 |
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.