Overview

• Platform Communications’ Badger Battleground Poll of 500 likely voters conducted Sept. 28–30 finds no majority favorite in either party.
• Rep. Tom Tiffany leads Republicans at 30% with 34% undecided and 9% choosing “none of these.”
• Former Lt. Gov. Mandela Barnes tops Democrats at 16% as he weighs a run, with 38% undecided and 12% preferring “none of these.”
• On a generic gubernatorial ballot, Republicans edge Democrats 43% to 40%, while 52% approve of Gov. Tony Evers’ job performance.
• The poll tested declared and potential contenders including Sara Rodriguez, David Crowley, Josh Kaul, Kelda Roys, Francesca Hong, Missy Hughes, Eric Hovde and Tim Michels, ahead of the Aug. 11, 2026 primary.