| District ID | 9th District |
| Representative | Bill Keating |
| Party Affiliation | Democrat |
| Partisan Voting Index (PVI) | D+4 |
| 02791 |
| 02790 |
| 02770 |
| 02767 |
| 02748 |
| 02747 |
| 02746 |
| 02745 |
| 02744 |
| 02743 |
| 02740 |
| 02739 |
| 02738 |
| 02719 |
| 02717 |
| 02713 |
| 02675 |
| 02673 |
| 02672 |
| 02671 |
| 02670 |
| 02668 |
| 02667 |
| 02666 |
| 02664 |
| 02660 |
| 02659 |
| 02657 |
| 02655 |
| 02653 |
| 02652 |
| 02650 |
| 02649 |
| 02648 |
| 02647 |
| 02646 |
| 02645 |
| 02644 |
| 02643 |
| 02642 |
| 02641 |
| 02639 |
| 02638 |
| 02637 |
| 02635 |
| 02633 |
| 02632 |
| 02631 |
| 02630 |
| 02601 |
| 02576 |
| 02575 |
| 02571 |
| 02568 |
| 02563 |
| 02562 |
| 02561 |
| 02559 |
| 02558 |
| 02557 |
| 02556 |
| 02554 |
| 02543 |
| 02542 |
| 02540 |
| 02539 |
| 02538 |
| 02537 |
| 02536 |
| 02535 |
| 02534 |
| 02532 |
| 02379 |
| 02370 |
| 02367 |
| 02364 |
| 02360 |
| 02359 |
| 02347 |
| 02346 |
| 02341 |
| 02339 |
| 02338 |
| 02333 |
| 02332 |
| 02330 |
| 02325 |
| 02324 |
| 02066 |
| 02061 |
| 02050 |
| 02047 |
| 02025 |
| 02020 |