The canton Paimpol has 10 communes.
| Code | Name | Population ▼ |
|---|---|---|
| 22162 | Paimpol | 7 341 |
| 22214 | Plouézec | 3 147 |
| 22210 | Ploubazlanec | 2 932 |
| 22233 | Plourivo | 2 270 |
| 22178 | Pléhédel | 1 306 |
| 22390 | Yvias | 765 |
| 22086 | Kerfot | 642 |
| 22016 | Île-de-Bréhat | 429 |
| 22109 | Lanloup | 252 |
| 22108 | Lanleff | 121 |