| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Beaver | 1 | 3,727 | 3,600 | 0.76% | 553 | 7 | City |
| Milford | 2 | 1,400 | 1,431 | -0.07% | 654 | 2 | City |
| Minersville | 3 | 881 | 812 | 1.73% | 405 | 2 | Town |
Beaver is the largest city in Beaver County, with a population of 3,727.
Minersville is the smallest city in Beaver County, with a population of 881.
There are 3 cities in Beaver County, Utah.