All offices
Federal government
U.S. Senate
| Seat | Held by | Term ends | Next on the ballot |
|---|---|---|---|
| U.S. Senator (Class 2) | Richard J. Durbin Democrat | January 3, 2027 | November 3, 2026 |
| U.S. Senator (Class 3) | Tammy Duckworth Democrat | January 3, 2029 | November 7, 2028 |
How to run
Candidates for these offices file with the Illinois State Board of Elections. The filing window and petition requirements for the next election are set by that election’s calendar; we add them here once they are published.