State senators write Illinois law, pass the state budget, and confirm appointments. Robert Martwick, a Democrat, represents the Northwest Side (Jefferson Park/Portage Park) and adjacent suburbs.
Robert Martwick
| Office | State Legislature |
|---|---|
| Office | Illinois State Senator, 10th District — State of Illinois — State Senate; term to 2028 (not on the 2026 ballot) |
| Contact | Official Website |
| Verified | August 2026 |