The canton Pamiers-1 has 14 communes.
| Code | Name | Population ▼ |
|---|---|---|
| 09225 | Pamiers | 16 473 |
| 09265 | Saint-Jean-du-Falga | 2 851 |
| 09245 | Rieux-de-Pelleport | 1 253 |
| 09050 | Benagues | 488 |
| 09056 | Bézac | 485 |
| 09116 | Escosse | 356 |
| 09177 | Madière | 283 |
| 09270 | Saint-Martin-d'Oydes | 250 |
| 09276 | Saint-Victor-Rouzaud | 210 |
| 09319 | Unzent | 122 |
| 09021 | Artix | 113 |
| 09271 | Saint-Michel | 92 |
| 09163 | Lescousse | 82 |
| 09256 | Saint-Bauzeil | 52 |