| Ohio State Senate District ID | 20 |
| Representative | Tim Schaffer |
| Party Affiliation | Republican |
| 43830 |
| 43822 |
| 43783 |
| 43777 |
| 43766 |
| 43764 |
| 43760 |
| 43748 |
| 43746 |
| 43740 |
| 43739 |
| 43731 |
| 43157 |
| 43155 |
| 43154 |
| 43150 |
| 43148 |
| 43147 |
| 43136 |
| 43130 |
| 43112 |
| 43110 |
| 43107 |
| 43105 |
| 43102 |
| 43080 |
| 43076 |
| 43071 |
| 43068 |
| 43062 |
| 43056 |
| 43055 |
| 43054 |
| 43046 |
| 43033 |
| 43031 |
| 43030 |
| 43025 |
| 43023 |
| 43018 |
| 43013 |
| 43011 |
| 43008 |
| 43001 |