The canton Gray has 24 communes.
| Code | Name | Population ▼ |
|---|---|---|
| 70279 | Gray | 5 365 |
| 70026 | Arc-lès-Gray | 2 393 |
| 70280 | Gray-la-Ville | 928 |
| 70018 | Ancier | 523 |
| 70528 | Velesmes-Échevanne | 491 |
| 70331 | Mantoche | 458 |
| 70376 | Nantilly | 443 |
| 70024 | Apremont | 437 |
| 70220 | Essertenne-et-Cecey | 427 |
| 70529 | Velet | 369 |
| 70289 | Igny | 202 |
| 70054 | Battrans | 196 |
| 70185 | Cresancey | 181 |
| 70125 | Champvans | 171 |
| 70505 | Le Tremblois | 159 |
| 70022 | Angirey | 152 |
| 70265 | Germigney | 145 |
| 70218 | Esmoulins | 127 |
| 70466 | Saint-Loup-Nantouard | 119 |
| 70461 | Saint-Broing | 105 |
| 70479 | Sauvigney-lès-Gray | 100 |
| 70124 | Champtonnay | 79 |
| 70394 | Onay | 61 |
| 70389 | Noiron | 58 |