| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Townsend | 1 | 2,365 | 1,828 | 4.09% | 1,545 | 2 | City |
Townsend is the largest city in Broadwater County, with a population of 2,365.
Townsend is the smallest city in Broadwater County, with a population of 2,365.
There is 1 city in Broadwater County, Montana.