South Carolina 6

John Peterson (R) vs Jim Clyburn (D).

Called by the AP: James Clyburn (D). James Clyburn (D) 69.2%; John Peterson (R) 30.6%. 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%.