| District ID | 6th District |
| Representative | Sean Casten |
| Party Affiliation | Democrat |
| Partisan Voting Index (PVI) | R+2 |
| 60805 |
| 60803 |
| 60655 |
| 60643 |
| 60638 |
| 60563 |
| 60561 |
| 60559 |
| 60558 |
| 60532 |
| 60527 |
| 60525 |
| 60523 |
| 60521 |
| 60517 |
| 60516 |
| 60515 |
| 60514 |
| 60501 |
| 60487 |
| 60482 |
| 60480 |
| 60477 |
| 60467 |
| 60465 |
| 60464 |
| 60463 |
| 60462 |
| 60459 |
| 60458 |
| 60457 |
| 60456 |
| 60455 |
| 60453 |
| 60452 |
| 60445 |
| 60418 |
| 60415 |
| 60189 |
| 60187 |
| 60181 |
| 60148 |
| 60137 |
| 60126 |
| 60101 |