Indiana 8

Mark Messmer (R) vs Mary Allen (D).

Called by the AP: Mark Messmer (R). Mark Messmer (R) 55.2%; Mary Allen (D) 44.8%. Source: The Associated Press.

Cook: Solid R. 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: 100%.