8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Townsend | 1 | 2,337 | 1,826 | 4.56% | 1,526 | 2 | City |
| Wheatland | 2 | 1,129 | 636 | 3.39% | 15 | 74 | CDP |
| Ponderosa Pines | 3 | 967 | 420 | 4.54% | 24 | 40 | CDP |
| Spokane Creek | 4 | 552 | 438 | 2.41% | 32 | 17 | CDP |
| The Silos | 5 | 466 | 433 | -0.64% | 91 | 5 | CDP |
| Toston | 6 | 211 | 36 | 3.43% | 81 | 3 | CDP |
| Radersburg | 7 | 84 | 56 | 7.69% | 335 | 0 | CDP |
| Winston | 8 | 83 | 318 | -5.68% | 16 | 5 | CDP |
Townsend is the largest city in Broadwater County, with a population of 2,337.
Winston is the smallest city in Broadwater County, with a population of 83.
There are 8 cities in Broadwater County, Montana.