State senators write Illinois law, pass the state budget, and confirm appointments. Celina Villanueva, a Democrat, represents the Southwest Side.
Celina Villanueva
| Office | State Legislature |
|---|---|
| Office | Illinois State Senator, 12th District — State of Illinois — State Senate; on the Nov 3, 2026 ballot |
| Contact | Official Website |
| Verified | August 2026 |