Identifiers: city · CDP · town
| Rank | Community | Population |
|---|---|---|
| 1 | Bozeman (city), MT | 53,293 |
| 2 | Belgrade (city), MT | 10,460 |
| 3 | Livingston (city), MT | 8,040 |
| 4 | Four Corners (CDP), MT | 5,901 |
| 5 | Manhattan (town), MT | 2,086 |
| 6 | King Arthur Park (CDP), MT | 1,549 |
| 7 | Churchill (CDP), MT | 1,030 |
| 8 | Gallatin Gateway (CDP), MT | 967 |
| 9 | Logan (CDP), MT | 72 |