This canton has 10 communes.
| Code | Name | Population |
|---|---|---|
| 50129 | Cherbourg-en-Cotentin | 78 258 |
| 50599 | Tollevast | 1 654 |
| 50294 | Martinvast | 1 348 |
| 50149 | Couville | 1 249 |
| 50594 | Teurthéville-Hague | 1 037 |
This canton has 1 associated/delegated commune.
| Code | Name |
|---|---|
| 50129 | Cherbourg-Octeville |