Illinois 17

Dillan Vancil (R) vs Eric Sorensen (D).

Called by the AP: Eric Sorensen (D). Eric Sorensen (D) 59.7%; Dillan Vancil (R) 40.3%. 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%.