| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Cedar City | 1 | 43,255 | 35,471 | 3.31% | 1,197 | 36 | City |
| Enoch | 2 | 9,097 | 7,487 | 2.83% | 1,136 | 8 | City |
| Parowan | 3 | 3,330 | 3,017 | 1.46% | 484 | 7 | City |
| Paragonah | 4 | 583 | 540 | 0.87% | 842 | 1 | Town |
| Kanarraville | 5 | 500 | 443 | 1.83% | 1,124 | 0 | Town |
| Brian Head | 6 | 165 | 147 | 1.85% | 25 | 6 | Town |
Cedar City is the largest city in Iron County, with a population of 43,255.
Brian Head is the smallest city in Iron County, with a population of 165.
There are 6 cities in Iron County, Utah.