Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Polson (city), MT | 5,148 |
| 2 | Pablo (CDP), MT | 2,138 |
| 3 | Ronan (city), MT | 1,955 |
| 4 | Finley Point (CDP), MT | 532 |
| 5 | Lindisfarne (CDP), MT | 320 |
| 6 | Jette (CDP), MT | 273 |
| 7 | Kerr (CDP), MT | 273 |
| 8 | Turtle Lake (CDP), MT | 251 |
| 9 | Elmo (CDP), MT | 244 |
| 10 | Big Arm (CDP), MT | 218 |
| 11 | Kings Point (CDP), MT | 201 |
| 12 | Rollins (CDP), MT | 192 |
| 13 | Rocky Point (CDP), MT | 111 |
| 14 | Dayton (CDP), MT | 104 |