2027 Wisconsin Supreme Court election
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April 6, 2027
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The 2027 Wisconsin Supreme Court election will be held on April 6, 2027, to elect a justice of the Wisconsin Supreme Court for a ten-year term. Incumbent justice Annette Ziegler has announced that she will not run for re-election after serving on the court since August 2007. The filing deadline to appear on the ballot is January 1, 2027.
Ziegler is associated with the conservative minority on the court, meaning that the 2027 election is not expected to affect the ideological majority of the court. However, a liberal victory would result in the court having a 6–1 liberal majority, further solidifying their majority until at least 2033.
The Wisconsin Supreme Court tipped from a 4–3 conservative majority to a 4–3 liberal majority due to the 2023 Wisconsin Supreme Court election, which at that time was the most expensive judicial election in history. The liberals retained their 4–3 majority in the 2025 Wisconsin Supreme Court election, when that race surpassed 2023 to become the most expensive judicial election in history. The liberals increased their majority to 5–2 after the 2026 Wisconsin Supreme Court election, which secured a liberal majority until 2030.
The incumbent in 2027, Annette Ziegler, is a member of the conservative minority, and therefore the outcome of the election will not change the court's controlling ideology. If a liberal-backed candidate wins this race, it will result in a 6–1 liberal majority, solidifying their majority through 2033.
Ziegler announced in March 2026 that she would not run for re-election.[1] This will be the fourth consecutive Wisconsin Supreme Court election without an incumbent on the ballot, an unprecedented streak.[a]
Candidates
Declared
- Lyndsey Brunette[b], Clark County circuit judge (2018–present) and former Clark County district attorney (2012–2016)[4]
- Pedro Colón, Wisconsin Court of Appeals judge (2023–present) and former state representative (1999–2011)[5]
Declined
- Shelley Grogan, Wisconsin Court of Appeals judge (2021–present)[6]
- Annette Ziegler,[c] incumbent Supreme Court justice (2007–present)[1]
Endorsements
- Statewide officials
- Barbara Lawton, former lieutenant governor of Wisconsin (2003–2011) (Democratic)[7]
- State legislators
- Jamie Wall, state senator from the 30th district (2025–present) (Democratic)[8]
- U.S. representatives
- Mark Pocan, WI-2 (2013–present) (Democratic)[9]
- Judicial officials
- Chris Taylor, justice-elect of the Wisconsin Supreme Court and Wisconsin Court of Appeals judge (2023–present)[10]