8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Superior | 1 | 985 | 835 | 3.14% | 1,031 | 0.95 | Town |
| Alberton | 2 | 577 | 452 | 4.53% | 1,055 | 0.55 | Town |
| Riverbend | 3 | 420 | 332 | -0.94% | 107 | 3.94 | CDP |
| St. Regis | 4 | 313 | 207 | 0% | 366 | 0.86 | CDP |
| Cyr | 5 | 130 | 83 | 7.44% | 93 | 1.40 | CDP |
| De Borgia | 6 | 82 | 71 | 6.49% | 30 | 2.74 | CDP |
| Haugan | 7 | 26 | 13 | 8.33% | 41 | 0.64 | CDP |
| Saltese | 8 | 19 | 9 | 5.56% | 58 | 0.33 | CDP |
Superior is the largest city in Mineral County, with a population of 985.
Saltese is the smallest city in Mineral County.
There are 8 cities in Mineral County, Montana.