| Massachusetts State Senate District ID | Cape and Islands |
| Representative | Julian Andre Cyr |
| Party Affiliation | Democrat |
| 01475 |
| 01440 |
| 01436 |
| 01430 |
| 01380 |
| 01379 |
| 01378 |
| 01376 |
| 01375 |
| 01373 |
| 01370 |
| 01368 |
| 01366 |
| 01364 |
| 01360 |
| 01355 |
| 01354 |
| 01351 |
| 01349 |
| 01347 |
| 01344 |
| 01342 |
| 01341 |
| 01337 |
| 01331 |
| 01301 |
| 01088 |
| 01072 |
| 01066 |
| 01063 |
| 01062 |
| 01060 |
| 01054 |
| 01053 |
| 01038 |
| 01035 |
| 01027 |
| 01007 |
| 01003 |
| 01002 |