Union County, New Mexico ZIP Codes
- ZIP records
7 - Cities represented
7 - Sum of listed ZIP population estimates
4,051
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 | 88415 | Clayton | 3,178 |
| 2 | 88418 | Des Moines | 536 |
| 3 | 88422 | Gladstone | 117 |
| 4 | 88424 | Grenville | 89 |
| 5 | 88419 | Folsom | 61 |
| 6 | 88410 | Amistad | 45 |
| 7 | 88436 | Sedan | 25 |
Cities in Union County
ZIP Directory
Browse all ZIP data for New Mexico
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.