10 cities
| City | Rank | County | 2026 Pop. ↓ |
|---|---|---|---|
| Salmon | 1 | Lemhi County | 3,337 |
| Challis | 2 | Custer County | 967 |
| Arco | 3 | Butte County | 927 |
| Fairfield | 4 | Camas County | 502 |
| Mackay | 5 | Custer County | 499 |
| Moore | 6 | Butte County | 181 |
| Stanley | 7 | Custer County | 125 |
| Leadore | 8 | Lemhi County | 102 |
| Butte City | 9 | Butte County | 89 |
| Clayton | 10 | Custer County | 12 |
Lemhi County, Custer County, Butte County, and Camas County are the counties generally considered part of Central Idaho.