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2026 Wisconsin Senate election

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2026 Wisconsin State Senate election

← 2024 November 3, 2026 2028 →

17 of 33 seats in the Wisconsin Senate
17 seats needed for a majority
 
Leader Devin LeMahieu Dianne Hesselbein
Party Republican Democratic
Leader's seat 9thOostburg 27thMiddleton
Last election 6 seats, 45.70% 10 seats, 54.30%
Current seats 18 15
Seats needed Steady Increase 2
Seats up 12 5

Map of the incumbents:
     Republican incumbent
     Democratic incumbent
     No incumbent
     No election

Incumbent President

Mary Felzkowski
Republican



The 2026 Wisconsin Senate election is scheduled to be held on Tuesday, November 3, 2026. Seventeen of the 33 seats in the Wisconsin Senate are up for election—the odd-numbered districts.

This election will be significantly affected by the legislative maps drawn as a result of the Wisconsin Supreme Court decision in Clarke v. Wisconsin Elections Commission, which declared the current legislative district map to be unconstitutional on December 22, 2023. The court was in the process of selecting a remedial plan, when the legislature chose to embrace the remedial map proposal from Governor Tony Evers. Evers signed the plan into law on February 19, 2024.[1]

Under the new maps, control of the Senate could go to either party due to Democratic gains in the 2024 Wisconsin Senate election.[2]

Background

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Redistricting

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This election will be significantly affected by the legislative maps drawn as a result of the Wisconsin Supreme Court decision in Clarke v. Wisconsin Elections Commission, which declared the previous legislative district map to be unconstitutional on December 22, 2023.[3] The court was in the process of selecting a remedial plan, when the legislature chose to embrace the remedial map proposal from Governor Tony Evers. Evers signed the plan into law on February 19, 2024.[4]

2024 elections

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In 2024, Democrats gained four seats in the Senate under the new maps, with the expectation they would not be able to win a majority then because only even-numbered seats were up for election that year.[5][6] During the 2024 campaign, both parties spent heavily on the competitive races in that cycle.[7] As a result of the election, where Democrats gained four seats, Democrats were put on a path to win a majority in 2026, where three senate districts could determine the majority.[8][9]

Democrats last won a majority of seats in the state senate in the 2012 recall elections, but they last seated a majority of seats in a session after the 2008 elections.

Incumbents and candidates

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Dist. Incumbent This race
Member Party First

elected

Status Declared candidate(s)
01 None (open seat) New member to be elected
03 Tim Carpenter Dem. 2002 TBD
05 Rob Hutton Rep. 2022 TBD
07 Chris Larson Dem. 2010 TBD
09 Devin LeMahieu Rep. 2014 TBD
11 Stephen Nass Rep. 2014 TBD
13 John Jagler Rep. 2021 (special) TBD
15 Mark Spreitzer Dem. 2022 TBD
17 None (open seat) New member to be elected
19 Rachael Cabral-Guevara Rep. 2022 TBD
21 Van H. Wanggaard Rep. 2010
2012 (recalled)
2014
TBD
23 Romaine Quinn (Redistricted from the 25th district) Rep. 2022 TBD
25 None (open seat) New member to be elected
27 Dianne Hesselbein Dem. 2022 TBD
29 Cory Tomczyk Rep. 2022 TBD
31 Jeff Smith Dem. 2018 TBD
Jesse James (Redistricted from the 23rd district) Rep. 2022 TBD
33 Chris Kapenga Rep. 2015 (special) TBD

See also

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References

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  1. ^ "Wisconsin Supreme Court consultants say Republican-drawn legislative maps are gerrymanders, don't deserve consideration". WPR. 2024-02-02. Retrieved 2024-03-13.
  2. ^ "Dem wins in state Senate keep open shot at majority in '26". WisPolitics. November 6, 2024. Retrieved November 7, 2024.
  3. ^ Kremer, Rich (February 1, 2024). "Wisconsin Supreme Court consultants say Republican-drawn legislative maps are gerrymanders, don't deserve consideration". Wisconsin Public Radio. Retrieved February 6, 2024.
  4. ^ Kremer, Rich (2024-02-19). "Evers signs new maps into law, effectively ending Wisconsin redistricting lawsuit". WPR. Retrieved 2024-06-16.
  5. ^ Kremer, Rich (2024-02-22). "What do Wisconsin's new maps mean for the Legislature's balance of power?". WPR. Retrieved 2024-02-23.
  6. ^ Karnopp, Hope (February 21, 2024). "You have questions about Wisconsin's new election maps and how they affect you? We have answers". Journal Sentinel. Retrieved 2024-02-23.
  7. ^ "Democrats commit $7 million to TV ads in 5 key state Senate races". AP News. 2024-05-08. Retrieved 2024-05-17.
  8. ^ Richmond, Todd (November 6, 2024). "New maps help Wisconsin Democrats make legislative gains and set up a push for majorities in 2026". Associated Press. Retrieved November 14, 2024.
  9. ^ Kelly, Jack; Claflin, Hallie; DeFour, Matthew (November 7, 2024). "Democrats flip 14 legislative seats, affirming GOP gerrymander is dead". Wisconsin Watch.
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