The U.S. Supreme Court has rejected a Republican effort to restore a Trump-backed congressional map in Missouri, ruling unanimously that changing district boundaries during an active election would cause "electoral chaos." The decision leaves the state's 2022 map in place for the November midterm elections, protecting a seat held by Democratic Representative Emanuel Cleaver. The ruling ends a chaotic legal battle between state and federal courts, ensuring Missouri voters will decide the fate of the redrawn map in a November referendum.
The Supreme Court's ruling and reasoning
- ▪The U.S. Supreme Court's unsigned opinion, with no noted dissents, stated reverting to Missouri's 2025 map during the November 2026 election would cause chaos, as 2022 ballots were already printed, mailed, and cast
- ▪The U.S. Supreme Court on September 25, 2026 rejected an attempt to use a new Trump-backed Missouri congressional map for the November 2026 midterm elections, letting stand a Missouri Supreme Court decision requiring a voter referendum.
Political impact and reactions
- ▪Republican State Senator Rick Brattin, who won the August 2026 primary under Missouri's 2025 map, denounced the Supreme Court's September 25, 2026 decision as a travesty and characterized switching districts after the primary as voter disenfranchisement
- ▪The U.S. Supreme Court's September 25, 2026 ruling prevents Republicans from utilizing the 2025 map designed to expand their 6-2 majority in Missouri's congressional delegation to a 7-1 advantage, impacting the national battle for control of the U.S. House
- ▪Democratic Representative Emanuel Cleaver, whose Kansas City-based 5th Congressional District was targeted by the 2025 Republican redistricting plan, stated that the Supreme Court's September 25, 2026 ruling significantly improved his reelection prospects and ended the manufactured chaos over Missouri's map
Relief for election officials
- ▪Missouri election officials advised federal courts that reverting to Missouri's 2025 congressional map would be practically impossible due to the time and financial cost required to reprint and distribute new ballots while voting was active
- ▪Kansas City election director Shawn Kieffer welcomed the U.S. Supreme Court's September 25, 2026 ruling against Missouri's 2025 congressional map, stating that election officials wanted the legal dispute over that map to end so they could do their jobs properly
Prior legal rulings on the map
- ▪The Missouri Supreme Court ruled on September 3, 2026 that a citizen referendum petition was valid, suspending the 2025 map and ordering the use of the 2022 districts until voters decide on the map in November 2026.
- ▪The 8th U.S. Circuit Court of Appeals ruled on September 21, 2026 that using Missouri's 2022 map in the general election after holding the August 2026 primary under Missouri's 2025 map was unconstitutional, ordering that map reinstated
Creation and design of the 2025 map
- ▪At the urging of President Donald Trump and Republican Governor Mike Kehoe, the Republican-led Missouri General Assembly passed a revised congressional map in September 2025 designed to help Republicans win seven of the state's eight House seats.
- ▪The proposed 2025 Missouri congressional map, backed by President Trump, significantly reshaped the 5th Congressional District by shedding parts of Kansas City to neighboring Republican districts and stretching the remainder eastward into rural Republican areas
Debatable claims
- ▪Missouri Secretary of State Denny Hoskins bears the primary responsibility for the state's election map confusion
- ▪Federal court intervention in state-level election disputes close to an election does more harm than good
- ▪States must use the same congressional map for both primary and general elections
- ▪Citizen referendums are an appropriate tool for blocking legislatively enacted congressional maps
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