| Missouri State Senate District ID | 18 |
| Representative | Cindy O\'\'Laughlin |
| Party Affiliation | Republican |
| 65285 |
| 65284 |
| 65283 |
| 65282 |
| 65280 |
| 65275 |
| 65270 |
| 65265 |
| 65264 |
| 65263 |
| 65260 |
| 65259 |
| 65258 |
| 65257 |
| 65247 |
| 65244 |
| 65243 |
| 65240 |
| 65239 |
| 65232 |
| 65230 |
| 64672 |
| 64667 |
| 64658 |
| 64655 |
| 64631 |
| 63567 |
| 63565 |
| 63563 |
| 63561 |
| 63560 |
| 63559 |
| 63558 |
| 63557 |
| 63555 |
| 63552 |
| 63551 |
| 63549 |
| 63548 |
| 63547 |
| 63546 |
| 63544 |
| 63543 |
| 63541 |
| 63540 |
| 63539 |
| 63538 |
| 63537 |
| 63536 |
| 63535 |
| 63534 |
| 63533 |
| 63532 |
| 63531 |
| 63530 |
| 63501 |
| 63474 |
| 63473 |
| 63472 |
| 63471 |
| 63469 |
| 63468 |
| 63466 |
| 63465 |
| 63463 |
| 63462 |
| 63461 |
| 63460 |
| 63459 |
| 63458 |
| 63457 |
| 63456 |
| 63454 |
| 63453 |
| 63452 |
| 63451 |
| 63450 |
| 63448 |
| 63447 |
| 63446 |
| 63445 |
| 63443 |
| 63442 |
| 63441 |
| 63440 |
| 63439 |
| 63438 |
| 63437 |
| 63436 |
| 63435 |
| 63434 |
| 63432 |
| 63431 |
| 63430 |
| 63401 |
| 63384 |
| 63382 |
| 63359 |
| 63352 |
| 63345 |