The canton Saint-Avold has 10 communes.
| Code | Name | Population ▼ |
|---|---|---|
| 57606 | Saint-Avold | 14 755 |
| 57336 | L'Hôpital | 5 183 |
| 57224 | Folschviller | 3 916 |
| 57123 | Carling | 3 291 |
| 57690 | Valmont | 3 041 |
| 57428 | Macheren | 2 814 |
| 57550 | Porcelette | 2 397 |
| 57765 | Diesen | 1 015 |
| 57373 | Lachambre | 906 |
| 57015 | Altviller | 524 |