The canton Lille-6 has 10 communes.
| Code | Name | Population ▼ |
|---|---|---|
| 59350 | Lille | 238 246 |
| 59360 | Loos | 22 567 |
| 59553 | Santes | 5 652 |
| 59278 | Hallennes-lez-Haubourdin | 4 683 |
| 59566 | Sequedin | 4 675 |
| 59196 | Ennetières-en-Weppes | 1 280 |
| 59056 | Beaucamps-Ligny | 845 |
| 59201 | Erquinghem-le-Sec | 620 |
| 59195 | Englos | 618 |
| 59208 | Escobecques | 302 |