Illinois 5

Tommy Hanson (R) vs Mike Quigley (D).

Called by the AP: Mike Quigley (D). Mike Quigley (D) 76.6%; Tommy Hanson (R) 23.4%. Source: The Associated Press.

Cook: Solid D. Public polls: 0.

Atlas pre-election model — built only from data frozen on October 29, 2026; first published November 3 after polls closed, so it is a test of the method, not a prediction. Republican chance in that model: 0%.