Senate District 4
| County | Cities and Villages | ||
| Cook | Bellwood | La Grange | |
| Berkeley | La Grange Park | ||
| Townships | Berwyn | Maywood | |
| Berwyn | Broadview | Melrose Park | |
| Lyons | Brookfield | North Riverside | |
| Oak Park | Chicago | Northlake | |
| Proviso | Elmhurst | Oak Park | |
| River Forest | Forest Park | River Forest | |
| Riverside | Hillside | Westchester |
Not sure whether or not you live in the district? Visit the State Board of Elections website to find out.
