Wisconsin Democrats moved quickly to capitalize on leadership turnover in the state Legislature after Senate Majority Leader Devin LeMahieu announced he would not seek reelection this fall, a decision that came days after other top Republican news from Madison. LeMahieu’s retirement bid fuels Democratic hopes of winning the state Senate this year, particularly as Republicans face the pressure of open-seat elections following court-ordered changes to district lines.
LeMahieu said in a statement that he will not seek a fourth Senate term and that “The time has come for a new chapter in my life.” He did not outline what he plans to do next. LeMahieu was first elected in 2014 and became GOP leader of the Senate in 2020, giving his exit a prominent role in the party’s fall campaign planning.
The announcement followed Assembly Speaker Robin Vos’ decision last month to retire, the AP reported, leaving Republicans with two top legislative leaders stepping away at the same time. It also comes amid a broader wave of state-level GOP retirements, with party strategists and candidates watching what leadership exits can do to campaign organization and district-level competition.
Wisconsin Democratic Party Chair Devin Remiker said LeMahieu and Vos’ retirements should serve as a warning to other Republican candidates. Remiker said, “All potential Republican candidates should take note: Both of your leaders have abandoned you,” and added that the retirements mean “Both of your leaders have abandoned you,” according to the AP report.
Beyond the Legislature, Wisconsin’s political map is shifting. Republicans took control of the Wisconsin Legislature in 2011, and newly elected Republican Gov. Scott Walker signed legislative maps into law that helped the GOP expand majorities over the next decade, the AP reported. But in 2023, the Wisconsin Supreme Court—after liberals won a majority on the court—overturned the GOP-drawn legislative maps, and the new lines that Democratic Gov. Tony Evers signed into law in 2024 were designed to help Democrats compete.
Under the new district lines signed in 2024, Democrats believe they can flip one or both houses this year. Democrats, according to the AP report, need to win two state Senate seats for a majority and five seats in the Assembly. A spokesperson for a committee working to elect Democrats to the state Senate, Will Karcz, said LeMahieu’s move demonstrates how Republicans view the risk in the chamber, describing the Wisconsin Senate as “the most flippable chamber in the country,” and adding, “There are no two ways about it: Senate Republicans see the writing on the wall.”
The leadership reshuffling also intersects with the governor’s race. Evers has decided to retire, opening the governor’s contest for the first time in 16 years, the AP reported. The AP said Republican U.S. Rep. Tom Tiffany, who has President Donald Trump’s endorsement, is the presumptive GOP nominee, while seven high-profile Democrats are running, with the primary scheduled for August.
Evers, in response to LeMahieu’s retirement announcement, praised him for “patience and persistence,” saying LeMahieu was able to put politics aside and focus on “doing the right thing.” The AP said Evers recently signed bills into law that LeMahieu supported, including measures to expand Medicaid coverage for postpartum mothers and to cover additional cancer screenings for women with dense breast tissue. The AP also said LeMahieu and Republicans worked with Evers on efforts to spend money on fighting PFAS chemicals, expanding state funding for local communities, and keeping the Milwaukee Brewers in Wisconsin—alongside other state priorities that LeMahieu oversaw during his tenure.
Still, the retirement note underscores how quickly the state’s political balance could change even for long-serving leaders. The AP reported that under LeMahieu, Wisconsin’s top land conservation program died this year due to a lack of funding, and that a bipartisan deal to continue funding a public affairs network—the state’s version of C-SPAN—also did not survive the session. In the background, a conservative state Supreme Court justice said last week that she would not run again in 2027, adding another open-seat factor for the political cycle, after another conservative justice decided not to run this year.