The arrondissement Saint-Pierre has 10 communes.
| Code | Name | Population ▼ |
|---|---|---|
| 97416 | Saint-Pierre | 85 038 |
| 97422 | Le Tampon | 82 579 |
| 97414 | Saint-Louis | 54 941 |
| 97412 | Saint-Joseph | 39 207 |
| 97404 | L'Étang-Salé | 14 464 |
| 97405 | Petite-Île | 13 067 |
| 97401 | Les Avirons | 11 536 |
| 97403 | Entre-Deux | 7 176 |
| 97417 | Saint-Philippe | 5 082 |
| 97424 | Cilaos | 5 040 |