| District ID | 9th District |
| Representative | Marcy Kaptur |
| Party Affiliation | Democrat |
| Partisan Voting Index (PVI) | D+14 |
| 45821 |
| 44889 |
| 44870 |
| 44857 |
| 44847 |
| 44846 |
| 44841 |
| 44839 |
| 44836 |
| 44826 |
| 44824 |
| 44814 |
| 44811 |
| 44089 |
| 43623 |
| 43620 |
| 43619 |
| 43617 |
| 43616 |
| 43615 |
| 43614 |
| 43613 |
| 43612 |
| 43611 |
| 43610 |
| 43609 |
| 43608 |
| 43607 |
| 43606 |
| 43605 |
| 43604 |
| 43571 |
| 43570 |
| 43567 |
| 43566 |
| 43560 |
| 43558 |
| 43557 |
| 43556 |
| 43554 |
| 43551 |
| 43549 |
| 43548 |
| 43547 |
| 43543 |
| 43542 |
| 43540 |
| 43537 |
| 43536 |
| 43533 |
| 43532 |
| 43528 |
| 43527 |
| 43526 |
| 43522 |
| 43521 |
| 43520 |
| 43519 |
| 43518 |
| 43517 |
| 43515 |
| 43512 |
| 43506 |
| 43505 |
| 43504 |
| 43502 |
| 43501 |
| 43469 |
| 43468 |
| 43465 |
| 43464 |
| 43460 |
| 43458 |
| 43457 |
| 43456 |
| 43452 |
| 43449 |
| 43447 |
| 43446 |
| 43445 |
| 43442 |
| 43440 |
| 43439 |
| 43438 |
| 43436 |
| 43435 |
| 43434 |
| 43432 |
| 43431 |
| 43430 |
| 43420 |
| 43416 |
| 43412 |
| 43410 |
| 43408 |
| 43407 |
| 43406 |
| 43402 |