Kansas — Senate

Roger Marshall (R) vs Adam Hamilton (D).

Count in progress (84% of the expected vote): Adam Hamilton (D) 52.9%; Roger Marshall (R) 44.3%. Source: The Associated Press.

Cook: Toss Up. Public polls: 8.

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: 53%.