| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Nephi | 1 | 7,706 | 6,473 | 2.91% | 1,407 | 5 | City |
| Mona | 2 | 2,012 | 1,767 | 2.44% | 755 | 3 | City |
| Rocky Ridge | 3 | 1,126 | 853 | 4.45% | 657 | 2 | Town |
| Levan | 4 | 945 | 870 | 1.29% | 1,171 | 1 | Town |
| Eureka | 5 | 663 | 660 | 0% | 458 | 1 | City |
Nephi is the largest city in Juab County, with a population of 7,706.
Eureka is the smallest city in Juab County, with a population of 663.
There are 5 cities in Juab County, Utah.