Cook Rates Kansas Senate Race a Toss-Up

The Cook Political Report with Amy Walter rates the Kansas U.S. Senate race between Republican Sen. Roger Marshall and Democrat Adam Hamilton a toss-up, meaning either candidate could win. An Emerson College poll had Hamilton at 45% and Marshall at 43%, while a Trafalgar Group poll tied them 44%-44%. Early voting was underway as of Oct. 14, 2026.