Identifiers: city · town · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Laurel (city), MT | 7,222 |
| 2 | Columbus (town), MT | 1,857 |
| 3 | Park City (CDP), MT | 1,023 |
| 4 | Absarokee (CDP), MT | 1,000 |
| 5 | Joliet (town), MT | 577 |
| 6 | Reed Point (CDP), MT | 177 |
| 7 | Greycliff (CDP), MT | 89 |
| 8 | Fishtail (CDP), MT | 67 |