20 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 84790 | Saint George | 55,892 |
| 84770 | Saint George | 48,397 |
| 84780 | Washington | 32,366 |
| 84737 | Hurricane | 24,359 |
| 84738 | Ivins | 10,050 |
| 84765 | Santa Clara | 8,152 |
| 84745 | La Verkin | 4,476 |
| 84774 | Toquerville | 2,344 |
| 84725 | Enterprise | 2,054 |
| 84757 | New Harmony | 1,494 |
| 84784 | Hildale | 1,372 |
| 84746 | Leeds | 1,092 |
| 84783 | Dammeron Valley | 928 |
| 84779 | Virgin | 713 |
| 84767 | Springdale | 663 |
| 84722 | Central | 660 |
| 84782 | Veyo | 598 |
| 84781 | Pine Valley | 355 |
| 84733 | Gunlock | 276 |
| 84763 | Rockville | 260 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 20 ZCTAs in Washington County, Utah (US Census).