| District ID | 12th District |
| Representative | Bonnie Watson Coleman |
| Party Affiliation | Democrat |
| Partisan Voting Index (PVI) | D+16 |
| 08902 |
| 08884 |
| 08882 |
| 08880 |
| 08876 |
| 08873 |
| 08857 |
| 08852 |
| 08850 |
| 08846 |
| 08844 |
| 08835 |
| 08831 |
| 08828 |
| 08824 |
| 08823 |
| 08821 |
| 08816 |
| 08812 |
| 08810 |
| 08807 |
| 08805 |
| 08648 |
| 08638 |
| 08629 |
| 08628 |
| 08618 |
| 08611 |
| 08610 |
| 08609 |
| 08608 |
| 08560 |
| 08558 |
| 08553 |
| 08550 |
| 08544 |
| 08542 |
| 08540 |
| 08536 |
| 08534 |
| 08530 |
| 08528 |
| 08525 |
| 08512 |
| 08502 |
| 07747 |
| 07069 |
| 07063 |
| 07062 |
| 07060 |