13 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hamilton | 1 | 5,547 | 4,692 | 3.05% | 2,180 | 3 | City |
| Hamilton | 2 | 5,547 | 4,725 | 3.05% | 2,180 | 3 | City |
| Stevensville | 3 | 2,291 | 2,003 | 2.46% | 1,764 | 1 | Town |
| Stevensville | 4 | 2,291 | 2,015 | 2.46% | 1,764 | 1 | Town |
| Corvallis | 5 | 1,501 | 1,755 | 2.39% | 2,601 | 1 | CDP |
| Florence | 6 | 1,116 | 805 | 2.1% | 1,453 | 1 | CDP |
| Victor | 7 | 920 | 973 | 1.32% | 2,058 | 0 | CDP |
| Darby | 8 | 892 | 789 | 2.18% | 1,407 | 1 | Town |
| Darby | 9 | 892 | 795 | 2.18% | 1,407 | 1 | Town |
| Pinesdale | 10 | 892 | 805 | 1.83% | 688 | 1 | Town |
| Pinesdale | 11 | 892 | 809 | 1.83% | 688 | 1 | Town |
| Conner | 12 | 117 | 95 | -5.65% | 66 | 2 | CDP |
| Sula | 13 | 45 | 77 | 7.14% | 14 | 3 | CDP |
Hamilton is the largest city in Ravalli County, with a population of 5,547.
Sula is the smallest city in Ravalli County, with a population of 45.
There are 13 cities in Ravalli County, Montana.