The canton Surgères has 19 communes.
| Code | Name | Population ▼ |
|---|---|---|
| 17434 | Surgères | 6 897 |
| 17003 | Aigrefeuille-d'Aunis | 4 677 |
| 17447 | Le Thou | 2 117 |
| 17338 | Saint-Georges-du-Bois | 1 883 |
| 17107 | Ciré-d'Aunis | 1 583 |
| 17340 | Saint-Pierre-La-Noue | 1 486 |
| 17166 | Forges | 1 308 |
| 17359 | Saint-Mard | 1 261 |
| 17080 | Chambon | 983 |
| 17221 | Marsais | 981 |
| 17394 | Saint-Saturnin-du-Bois | 915 |
| 17018 | Ardillières | 890 |
| 17032 | Ballon | 828 |
| 17203 | Landrais | 797 |
| 17293 | Puyravault | 747 |
| 17480 | Virson | 731 |
| 17482 | Vouhé | 674 |
| 17382 | Saint-Pierre-d'Amilly | 575 |
| 17063 | Breuil-la-Réorte | 470 |