12 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| American Fork | Utah County | 43,232 |
| Alpine | Utah County | 10,617 |
| Aurora | Sevier County | 1,066 |
| Apple Valley | Washington County | 948 |
| Annabella | Sevier County | 897 |
| Avon | Cache County | 582 |
| Amalga | Cache County | 524 |
| Aneth | San Juan County | 302 |
| Altamont | Duchesne County | 253 |
| Alta | Salt Lake County | 228 |
| Antimony | Garfield County | 124 |
| Alton | Kane County | 115 |