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The 2024 Wisconsin Senate election was held on Tuesday, November 5, 2024, at the Fall general election in Wisconsin, alongside the election for the State Assembly. Sixteen of the 33 seats in the
Wisconsin Senate The Wisconsin Senate is the upper house of the Wisconsin State Legislature. Together with the Wisconsin State Assembly they constitute the legislative branch of the state of Wisconsin. The powers of the Wisconsin Senate are modeled after those ...
were up for election—the even-numbered districts. Before the election, 22 Senate seats were held by Republicans, 11 seats were held by Democrats. The primary election was held on August 13, 2024, and the filing deadline to appear on the ballot was June 3, 2024. This was the first Wisconsin Senate election after the 2024 redistricting. Democrats won all five of the most competitive Senate races, flipping four Republican-held seats. Republicans maintained their majority, with Democrats breaking their two-thirds
supermajority A supermajority is a requirement for a proposal to gain a specified level of support which is greater than the threshold of one-half used for a simple majority. Supermajority rules in a democracy can help to prevent a majority from eroding fun ...
in the chamber. After the elections, Republicans entered the 107th Wisconsin Legislature with 18 of 33 seats.


Background


Redistricting

This election was significantly affected by the legislative maps drawn as a result of the
Wisconsin Supreme Court The Wisconsin Supreme Court is the Supreme court, highest and final court of appeals in the state judicial system of the U.S. state of Wisconsin. In addition to hearing appeals of lower Wisconsin court decisions, the Wisconsin Supreme Court also ...
decision in '' Clarke v. Wisconsin Elections Commission'', which declared the previous 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 Anthony Steven Evers ( ; born November 5, 1951) is an American politician and educator serving since 2019 as the 46th governor of Wisconsin. A member of the Democratic Party, he served from 2009 to 2019 as Wisconsin's 26th superintendent of p ...
. Evers signed the plan into law on February 19, 2024. Under the new maps, Democrats were expected to gain seats in the Senate, but they were not expected to be able to win a majority because only even-numbered seats were up for election in 2024. Five of the sixteen seats up for election had no incumbents due to the shifting legislative boundaries. Both parties spent heavily on the competitive races in this cycle. 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 the session following the 2008 elections.


PFAS Legislation

To combat the threat of
PFAS Per- and polyfluoroalkyl substances (also PFAS, PFASs, and informally referred to as "forever chemicals") are a group of synthetic organofluorine chemical compounds that have multiple fluorine atoms attached to an alkyl chain; there are 7 millio ...
contamination, the Wisconsin legislature included $125 million in the state budget. Despite this, Republicans on the Joint Finance Committee (JFC) have refused to release the funds to be used by the
Wisconsin Department of Natural Resources The Wisconsin Department of Natural Resources (WDNR) is a government agency of the U.S. state of Wisconsin charged with conserving and managing Wisconsin's natural resources. The Wisconsin Natural Resources Board has the authority to set polic ...
(DNR). On April 9, Evers vetoed a piece of legislation which would have created grants to fight pollution due to PFAS chemicals, in explaining his veto, Evers cited the restrictions the legislation would have placed on the DNR to prosecute polluters. Evers also continued calling for the release of the $125 million which was set aside in the budget for combatting PFAS contamination. In response to Evers' veto, JFC members said they would hold the funds hostage. On April 16, Evers called the JFC to session, but its Republican members refused to attend, denying the committee a quorum to do business. In response to this inaction, Wisconsin Democrats launched a six-figures campaign called "No More Games" which served the purpose to pressure and target members of the Committee from competitive districts. Among their targets were Senate Republicans
Joan Ballweg Joan A. Ballweg (''née'' Gottinger; born March 16, 1952) is an American business owner and Republican politician from Green Lake County, Wisconsin. She served four years as a member of the Wisconsin Senate, representing the 14th Senate distri ...
,
Howard Marklein Howard L. Marklein (born October 3, 1954) is an American Republican politician and retired accountant and fraud examiner from Iowa County, Wisconsin. He is a member of the Wisconsin Senate, representing Wisconsin's 17th Senate district since 20 ...
,
Duey Stroebel Sherburn Duane "Duey" Stroebel Jr. (born September 1, 1959) is an American realtor and Republican politician from Cedarburg, Wisconsin. He served 10 years as a member of the Wisconsin Senate, representing Wisconsin's 20th Senate district from ...
, and
Eric Wimberger Eric Wimberger (born April 2, 1979) is an American attorney and Republican politician from De Pere, Wisconsin. He is a member of the Wisconsin Senate, representing Wisconsin's 2nd Senate district since January 2025. Prior to redistricting ...
, from the 14th, 17th, 20th and 30th districts respectively.


Results summary


Close races

Seats where the margin of victory was under 10%: # (gain) # (gain) # # (gain) # (gain)


Outgoing incumbents


Retiring

*
Robert Cowles Robert Lewis Cowles III (born July 31, 1950) is a retired American Republican Party (United States), Republican politician from Green Bay, Wisconsin. He served 38 years as a member of the Wisconsin Senate, representing Wisconsin's 2nd Senat ...
(R– Green Bay), the at the time longest currently-serving Wisconsin legislator, representing district 2 since
1987 Events January * January 1 – Bolivia reintroduces the Boliviano currency. * January 2 – Chadian–Libyan conflict – Battle of Fada: The Military of Chad, Chadian army destroys a Libyan armoured brigade. * January 3 – Afghan leader ...
, retired.


Seeking other office

*
Melissa Agard Melissa Kristen Agard (born March 28, 1969) is an Americans, American small business owner and Democratic Party (United States), Democratic politician from Madison, Wisconsin. She is the county executive of Dane County, Wisconsin, since November ...
(D– Madison), representing district 16 since
2020 The year 2020 was heavily defined by the COVID-19 pandemic, which led to global Social impact of the COVID-19 pandemic, social and Economic impact of the COVID-19 pandemic, economic disruption, mass cancellations and postponements of even ...
, retired to run for Dane County executive. * Dan Knodl (R– Germantown), representing district 8 since
2023 Catastrophic natural disasters in 2023 included the Lists of 21st-century earthquakes, 5th-deadliest earthquake of the 21st century 2023 Turkey–Syria earthquakes, striking Turkey and Syria, leaving up to 62,000 people dead; Cyclone Freddy ...
, announced in February 2024 that he would not seek reelection to the district after the 2024 redistricting put him in an incumbent-vs-incumbent matchup. Instead, Knodl ran for Wisconsin State Assembly in Wisconsin's 24th Assembly district.


Vacated

*
Lena Taylor Lena C. Taylor (born July 25, 1966) is an American lawyer, judge, and former politician serving as a Wisconsin circuit courts, Wisconsin circuit court judge in Milwaukee County, since January 2024. She previously served 19 years as a Democratic Pa ...
(D–
Milwaukee Milwaukee is the List of cities in Wisconsin, most populous city in the U.S. state of Wisconsin. Located on the western shore of Lake Michigan, it is the List of United States cities by population, 31st-most populous city in the United States ...
), representing district 4 since
2004 2004 was designated as an International Year of Rice by the United Nations, and the International Year to Commemorate the Struggle Against Slavery and Its Abolition (by UNESCO). Events January * January 3 – Flash Airlines Flight 60 ...
, resigned on January 26, 2024, after her appointment as a Wisconsin circuit court judge in Milwaukee County and was replaced by Dora Drake following a special election on July 30, 2024.


Lost re-election

*
Joan Ballweg Joan A. Ballweg (''née'' Gottinger; born March 16, 1952) is an American business owner and Republican politician from Green Lake County, Wisconsin. She served four years as a member of the Wisconsin Senate, representing the 14th Senate distri ...
(R– Markesan), representing district 14 since
2020 The year 2020 was heavily defined by the COVID-19 pandemic, which led to global Social impact of the COVID-19 pandemic, social and Economic impact of the COVID-19 pandemic, economic disruption, mass cancellations and postponements of even ...
, lost reelection to Sarah Keyeski (D– Lodi) *
Duey Stroebel Sherburn Duane "Duey" Stroebel Jr. (born September 1, 1959) is an American realtor and Republican politician from Cedarburg, Wisconsin. He served 10 years as a member of the Wisconsin Senate, representing Wisconsin's 20th Senate district from ...
(R– Saukville), representing the 20th district since
2016 2016 was designated as: * International Year of Pulses by the sixty-eighth session of the United Nations General Assembly. * International Year of Global Understanding (IYGU) by the International Council for Science (ICSU), the Internationa ...
, lost reelection to Jodi Habush Sinykin (D–
Whitefish Bay Whitefish Bay is a large bay on the eastern end of Lake Superior between Michigan, United States, and Ontario, Canada. It is located between Whitefish Point in Michigan and Whiskey Point along the more rugged, largely wilderness Canadian Shield ...
) in the 8th district


Special elections

There was one special election scheduled in 2024 for the Wisconsin state Senate.


Predictions


Race summary


Detailed results


District 2

Incumbent Republican
Robert Cowles Robert Lewis Cowles III (born July 31, 1950) is a retired American Republican Party (United States), Republican politician from Green Bay, Wisconsin. He served 38 years as a member of the Wisconsin Senate, representing Wisconsin's 2nd Senat ...
declined to seek re-election. Following redistricting, fellow Republican
Eric Wimberger Eric Wimberger (born April 2, 1979) is an American attorney and Republican politician from De Pere, Wisconsin. He is a member of the Wisconsin Senate, representing Wisconsin's 2nd Senate district since January 2025. Prior to redistricting ...
decided to move to this district to avoid a potential defeat. He avoided facing a primary against Cowles after the latter decided against seeking re-election. Wimberger defeated Democrat Kelly Peterson in the general election.


District 4

Incumbent Democrat Dora Drake ran for re-election unopposed. In the primary she defeated state representative LaKeshia Myers in a rematch from the special election primary earlier in 2024.


District 6

Incumbent Democrat La Tonya Johnson ran for re-election unopposed.


District 8

Incumbent Republican Dan Knodl declined to seek re-election after redistricting put fellow Republican
Duey Stroebel Sherburn Duane "Duey" Stroebel Jr. (born September 1, 1959) is an American realtor and Republican politician from Cedarburg, Wisconsin. He served 10 years as a member of the Wisconsin Senate, representing Wisconsin's 20th Senate district from ...
into his district. Stroebel faced Democrat Jodi Habush Sinykin, who was a candidate for this district in a 2023 special election. This election was highly contested, with it becoming the most expensive senate race in the state in 2024. Stroebel was defeated by Habush Sinykin in the general election. In years past, the 8th district was strongly Republican, voting for Republicans by double digit margins, but over time the Milwaukee suburbs and surrounding communities have become more liberal due to the election of
Donald Trump Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who is the 47th president of the United States. A member of the Republican Party (United States), Republican Party, he served as the 45 ...
in 2016, which saw the 8th district give Trump around 56% of the vote. In 2020 the district gave Donald Trump around 53% of the vote. In 2023, the district was won by Knodl with less than two points.


District 10

Incmbent Republican Rob Stafsholt ran for re-election. He defeated Democrat Paul Hambleton, a former teacher and chair of the St. Croix county Democrats, in the general election.


District 12

Incumbent Republican
Mary Felzkowski Mary Jean Felzkowski (''née'' Behling; born September 25, 1963) is an American businesswoman and Republican politician from northern Wisconsin. She is a member of the Wisconsin Senate, representing Wisconsin's 12th Senate district since 2021. ...
ran for re-election. She faced and defeated Democrat Andi Rich in the general election.


District 14

Incumbent Republican
Joan Ballweg Joan A. Ballweg (''née'' Gottinger; born March 16, 1952) is an American business owner and Republican politician from Green Lake County, Wisconsin. She served four years as a member of the Wisconsin Senate, representing the 14th Senate distri ...
ran for re-election after being drawn out of this district due to redistricting. In the general election she faced and was defeated by Democrat Sarah Keyeski.


District 16

Incumbent Democrat
Melissa Agard Melissa Kristen Agard (born March 28, 1969) is an Americans, American small business owner and Democratic Party (United States), Democratic politician from Madison, Wisconsin. She is the county executive of Dane County, Wisconsin, since November ...
declined to seek re-election, leaving the seat open. Following Agard's declaration, Democratic representatives Jimmy Anderson, Melissa Ratcliff, and Samba Baldeh; of the 47th, 46th, and 48th assembly districts respectively, all filed to succeed her. All three ran on similar platforms, including expanding Medicaid access and enshrining abortion rights. To differentiate themselves, the three emphasized their different experiences, voter coalitions, and endorsements; with Anderson emphasizing his fight for disability rights in the Wisconsin legislature, Ratcliff emphasizing her support for the LGBTQ+ community, and Baldeh cited his personal experiences as a black, muslim immigrant to the United States. Ratcliff defeated Anderson and Baldeh by a wide margin and was unopposed in the general election.


District 18

Incumbent Republican
Dan Feyen Daniel Joseph Feyen (born July 12, 1968) is an American Republican politician and retired printer from Fond du Lac, Wisconsin. He is a member of the Wisconsin Senate, representing Wisconsin's 20th Senate district since 2025; he prev ...
was moved into the 20th district due to redistricting, leaving the district open. After Feyen was moved, two Republicans filed to succeed him, physician Anthony Phillips and restaurant owner Blong Yang. During the primary Phillips campaigned as a center right Republican, supporting a standard set of Republican policies such as increased police funding, low taxes on income and property, and giving parents further oversight of their children's education. Yang in his campaign ran to the right of Phillips, and was opposed recognizing transgender people. Yang also attempting to use his race, as he is Hmong, to attack Kristin Alfheim, a member of the Appleton Common Council and the only Democrat to file for the race. Phillips ultimately defeated Yang by a margin of 25 points. Alfheim went on to defeat Phillips in the election by a 7 point margin.


District 20

Incumbent Republican Duey Stroebel was drawn into the 8th district as a result of redistricting, while Dan Feyen was drawn into this district from the 18th due to redistricting. One other Republican filed to run against Feyen, former Republican representative and election denier Timothy Ramthun. In the primary, Ramthun ran to the right of Feyen, supporting removing ballot drop boxes from the state and opposing incumbent Republican leadership in the state legislature, garnering the support of figures such as
Mike Lindell Michael James Lindell ( ; born June 28, 1961), also known as the My Pillow Guy and Mike Pillow, is an American businessman, political activist, and conspiracy theorist. He is the founder and CEO of My Pillow, a pillow, bedding, and slipper man ...
. Feyen ran with the support of Republican legislative leadership in the legislature, gaining the endorsements of majority leader Devin LeMahieu and U.S. congressmen
Glenn Grothman Glenn Sholes Grothman ( ; born July 3, 1955) is an American attorney and politician serving as the U.S. representative from Wisconsin's 6th congressional district. A member of the Republican Party, he was first elected to his seat in 2014. Gro ...
and Scott Fitzgerald, as well as gaining the support of the conservative PAC "Stronger Wisconsin Fund", which sent out fliers and other material in opposition to Ramthun's candidacy. Ramthun also garnered controversy during the campaign when he shared content on social media which threatened violence against Feyen. While some Republicans feared Ramthun could defeat Feyen, Feyen defeated Ramthun by 29 points. He advanced to the general election, where he defeated Democrat Michael Rapp.


District 22

Incumbent Democrat
Robert Wirch Robert W. Wirch (born November 16, 1943) is an American Democratic politician from Kenosha County, Wisconsin. He is a member of the Wisconsin Senate, representing Wisconsin's 22nd Senate district since 1997. He previously served two terms in t ...
ran for re-election unopposed.


District 24

Incumbent Republican Patrick Testin ran for re-election. In the general election he faced and defeated Democrat Collin McNamara.


District 26

Incumbent Democrat Kelda Roys ran for re-election unopposed.


District 28

Incumbent Republican Julian Bradley ran for re-election after being drawn out of this district due to redistricting. In the general election he faced and defeated Democrat Megan Lach.


District 30

Incumbent Republican
Eric Wimberger Eric Wimberger (born April 2, 1979) is an American attorney and Republican politician from De Pere, Wisconsin. He is a member of the Wisconsin Senate, representing Wisconsin's 2nd Senate district since January 2025. Prior to redistricting ...
declined to seek re-election in this district, instead opting to run for the neighboring 2nd district, leaving this district open. In the general election, Democrat Jamie Wall defeated Republican Jim Rafter. As a result of redistricting, the district became one of the most competitive in the Senate. During the campaign, both candidates touted their moderate credentials and desire for bipartisanship in the legislature. During the campaign, they both campaigned on tax cuts and sending some of Wisconsin's $3 billion dollar surplus towards funding local communities. The two candidates also had their major differences, as Wall campaigned on codifying abortion rights in Wisconsin, while Rafter took a more moderate approach. Rafter also made closing the Green Bay Correctional Institution a central part of his campaign. In the general election, Wall defeated Rafter by a 5 point margin.


District 32

Incumbent Democrat Brad Pfaff ran for re-election. In the general election he defeated Republican and former candidate for
U.S. Senate The United States Senate is a chamber of the bicameral United States Congress; it is the upper house, with the U.S. House of Representatives being the lower house. Together, the Senate and House have the authority under Article One of the ...
in
2024 The year saw the list of ongoing armed conflicts, continuation of major armed conflicts, including the Russian invasion of Ukraine, the Myanmar civil war (2021–present), Myanmar civil war, the Sudanese civil war (2023–present), Sudane ...
Stacey Klein.


See also

* Redistricting in Wisconsin ** '' Clarke v. Wisconsin Elections Commission'' *
2024 Wisconsin elections The 2024 Wisconsin fall general election was held in the U.S. state of Wisconsin on November 5, 2024. One of Wisconsin's U.S. Senate seats and all of Wisconsin's eight seats in the U.S. House of Representatives were up for election, as w ...
**
2024 Wisconsin State Assembly election The 2024 Wisconsin State Assembly election was held on Tuesday, November 5, 2024, alongside 2024 Wisconsin Senate election, elections for the State Senate. All 99 seats in the Wisconsin State Assembly were up for election. The primary elec ...
*
2024 United States elections Elections in the United States, Elections were held in the United States on November 5, 2024. In 2024 United States presidential election, the presidential election, former Republican President Donald Trump, seeking a non-consecutive second term ...
* Elections in Wisconsin *
Wisconsin Senate The Wisconsin Senate is the upper house of the Wisconsin State Legislature. Together with the Wisconsin State Assembly they constitute the legislative branch of the state of Wisconsin. The powers of the Wisconsin Senate are modeled after those ...


References


External links


Wisconsin Elections Commission
* {{Portal bar, Wisconsin, Politics
Wisconsin Senate The Wisconsin Senate is the upper house of the Wisconsin State Legislature. Together with the Wisconsin State Assembly they constitute the legislative branch of the state of Wisconsin. The powers of the Wisconsin Senate are modeled after those ...
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
2024 The year saw the list of ongoing armed conflicts, continuation of major armed conflicts, including the Russian invasion of Ukraine, the Myanmar civil war (2021–present), Myanmar civil war, the Sudanese civil war (2023–present), Sudane ...
November 2024 in the United States