Government & Civic — O'Fallon, Illinois
Local Government
| Government Type | 2 - MUNICIPAL |
|---|---|
| Government Name | CITY OF O'FALLON |
Representation
| Congressional District | 12 |
|---|---|
| State Senate District | 17057 |
| State House District | 17114 |
U.S. Senators
| Name | Party | Since |
|---|---|---|
| Dick Durbin | D | 1997 |
| Tammy Duckworth | D | 2017 |
Sources: Census Government Units 2022.