Illinois — Senate

Don Tracy (R) vs Juliana Stratton (D).

Called by the AP: Juliana Stratton (D). Juliana Stratton (D) 60.8%; Don Tracy (R) 37.7%. Source: The Associated Press.

Cook: Solid D. Public polls: 2.

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%.