20 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 84790 | Saint George | 51,773 |
| 84770 | Saint George | 47,207 |
| 84780 | Washington | 29,212 |
| 84737 | Hurricane | 22,153 |
| 84738 | Ivins | 9,282 |
| 84765 | Santa Clara | 7,625 |
| 84745 | La Verkin | 4,360 |
| 84774 | Toquerville | 2,034 |
| 84725 | Enterprise | 1,566 |
| 84757 | New Harmony | 1,305 |
| 84746 | Leeds | 1,272 |
| 84784 | Hildale | 1,076 |
| 84783 | Dammeron Valley | 943 |
| 84722 | Central | 902 |
| 84779 | Virgin | 787 |
| 84767 | Springdale | 666 |
| 84782 | Veyo | 519 |
| 84781 | Pine Valley | 310 |
| 84733 | Gunlock | 251 |
| 84763 | Rockville | 180 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 20 ZCTAs in Washington County, Utah (US Census).