12 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| American Fork | Utah County | 41,881 |
| Alpine | Utah County | 10,318 |
| Aurora | Sevier County | 1,068 |
| Apple Valley | Washington County | 951 |
| Annabella | Sevier County | 901 |
| Avon | Cache County | 582 |
| Amalga | Cache County | 520 |
| Aneth | San Juan County | 302 |
| Altamont | Duchesne County | 255 |
| Alta | Salt Lake County | 224 |
| Antimony | Garfield County | 129 |
| Alton | Kane County | 117 |