| District ID | 1st District |
| Representative | Cori Bush |
| Party Affiliation | Democrat |
| Partisan Voting Index (PVI) | D+29 |
| 63147 |
| 63146 |
| 63145 |
| 63144 |
| 63143 |
| 63141 |
| 63140 |
| 63139 |
| 63138 |
| 63137 |
| 63136 |
| 63135 |
| 63134 |
| 63133 |
| 63132 |
| 63131 |
| 63130 |
| 63124 |
| 63123 |
| 63121 |
| 63120 |
| 63119 |
| 63118 |
| 63117 |
| 63116 |
| 63115 |
| 63114 |
| 63113 |
| 63112 |
| 63111 |
| 63110 |
| 63109 |
| 63108 |
| 63107 |
| 63106 |
| 63105 |
| 63104 |
| 63103 |
| 63102 |
| 63101 |
| 63074 |
| 63045 |
| 63044 |
| 63043 |
| 63042 |
| 63034 |
| 63033 |
| 63031 |