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535

WI-6

  • Brad Smith (Dem)
  • Glenn Grothman (Rep · incumbent)

Favors Rep

Republicans92%

Republicans are favored, winning 91,828 of 100,000 simulated elections.

Favors Rep

Republicans92%

Republicans are favored, winning 91,828 of 100,000 simulated elections.

Forecast detail

as of Oct 4, 2026, 2:30 AM EDT

Estimated margin

R+11.8

5th–95th interval

R+25.8 to D+2.1

Estimated margin

R+11.8

5th–95th interval

R+25.8 to D+2.1

Win probability over time

Dem win probability Rep win probability Tossup band

Polls

Dem-leaning poll Rep-leaning poll

Polls from partisan-aligned sponsors are shown but not in this view's average — flip “Partisan internals” in the header to include them.Partisan-sponsored polls are in this view's average, shifted 0.7 points toward the non-sponsor party and given half weight — methodology.

Pollster Dates Sample Results Margin House adj. Source
Glenn Grothman (R) vs Michael Thurow (I) · 2 polls
Tavern Research ind sponsor May 18–May 28, 2026 437 lv Glenn Grothman 55.0% Ind 45.0% — — Source
Change Research ind sponsor Mar 17–Mar 20, 2026 640 lv Glenn Grothman 41.7% Ind 37.7% — — Source
Brad Smith (D) vs Glenn Grothman (R) · 1 poll
Tavern Research ind sponsor May 18–May 28, 2026 437 lv Glenn Grothman 61.0% Brad Smith 39.0% R+22.0 — Source

Dispatches about this race

No dispatches about this race yet.