Mandela Barnes
DEMOCRATIC
Lieutenant Governor (D-WI)
2019 – 2023
2026 Wisconsin Governor Forecast
2026 Governor
Tom Tiffany
REPUBLICAN
US House of Representatives (R-WI)
2020 – Present
2026 Wisconsin Governor Forecast
- Year
- 2026
- Race
- Governor
- State
- Wisconsin
- Democratic candidate
- Mandela Barnes
- Republican candidate
- Tom Tiffany
- Incumbent / open seat
- Open Seat
- Forecast rating
- Lean D
- Projected vote
- 52.1% D / 47.9% R
- Projected margin
- D +4.2
- Forecast odds
- 68.3% D / 31.7% R
- Forecast last updated
- 12:00 AM on June 20, 2026
- Polling average
- 45.3% D / 40.9% R
- Polling average margin
- D +4.4
- Polling last updated
- 12:00 AM on June 20, 2026
- Polls included
- 3
- Latest poll
- Public Sentiment Institute — May 15, 2026