The canton La Ferté-Saint-Aubin has 7 communes.
| Code | Name | Population ▼ |
|---|---|---|
| 45146 | La Ferté-Saint-Aubin | 7 284 |
| 45272 | Saint-Cyr-en-Val | 3 467 |
| 45193 | Marcilly-en-Villette | 2 180 |
| 45200 | Ménestreau-en-Villette | 1 370 |
| 45182 | Ligny-le-Ribault | 1 252 |
| 45006 | Ardon | 1 203 |
| 45309 | Sennely | 677 |