Rosebud County, Montana Cities (2025)

5 cities

City
Rank
2025 Pop. ↓
2020 Pop.
Change
Density
Area (mi²)
Type
Lame Deer12,0672,2880.05%3755.59 CDP
Colstrip22,0312,090-0.59%5024.05 City
Forsyth31,5941,649-0.69%1,3851.15 City
Ashland4773850-0.39%3720.67 CDP
Birney5121150-0.82%815.09 CDP

Rosebud County Cities Summary

Largest City

Lame Deer is the largest city in Rosebud County, with a population of 2,067.

Smallest City

Birney is the smallest city in Rosebud County.

10 Largest Cities

There are 5 cities in Rosebud County, Montana.