The U.S. Supreme Court stepped into Missouri’s increasingly complicated redistricting battle Thursday, blocking the state from using a Republican-drawn congressional map in November and leaving the state’s 2022 boundaries in place.
In a brief emergency order with no publicly noted dissents, the justices granted a request from People Not Politicians and referendum organizer Richard von Glahn. The action halted a federal district court ruling that had directed Missouri officials to conduct the general election using congressional boundaries approved by the Republican-controlled legislature in 2025.
The practical result is significant. Missouri will use the 2022 congressional map for November’s elections. Under those boundaries, Republicans currently hold six of the state’s eight U.S. House seats, while Democrats hold two.
At the center of the dispute is Missouri’s 5th Congressional District, represented by Democratic Rep. Emanuel Cleaver.
The disputed 2025 map substantially reconfigured Cleaver’s Kansas City-area district. The changes could have created an opportunity for Republicans to capture a seventh Missouri congressional seat.
“The law is the law, the Missouri constitution is clear, as was the Missouri Supreme Court,” von Glahn said following the Supreme Court’s intervention.
The controversy began after Missouri lawmakers approved new congressional boundaries in 2025. The redistricting effort came as President Trump encouraged Republican-controlled states to consider new congressional maps ahead of the 2026 midterm elections.
Opponents of Missouri’s map responded by launching a referendum campaign seeking to put the boundaries before voters. Organizers submitted more than 300,000 signatures.
Republican Secretary of State Denny Hoskins argued that congressional redistricting legislation was not subject to Missouri’s referendum process.
The Missouri Supreme Court unanimously disagreed.
In its September 3 decision, the state’s highest court concluded that the Missouri Constitution permits voters to approve or reject “any act of the general assembly” unless a specific constitutional exception applies.
The court found no such exception for congressional redistricting.
It ordered Hoskins to certify the referendum and place it on the November ballot. More importantly for the immediate congressional elections, the court concluded that the referendum petition prevented the 2025 redistricting legislation from taking effect.
That meant the 2022 congressional map remained operative.
Then the federal courts entered the picture.
Republican congressional nominee Rick Brattin, GOP Rep. Bob Onder and two voters brought a separate federal challenge. U.S. District Judge Stephen Clark sided with them Tuesday, ordering Missouri to conduct the general election using the same districts it had used during the August primary.
That created the unusual situation of a federal judge directing Missouri to use one congressional map while the Missouri Supreme Court had effectively directed the state to use another.
Hoskins’ attorneys argued that changing the districts after voters had already participated in the August primary could cause serious problems.
They told the Supreme Court that Clark’s ruling was the only thing “preventing the disenfranchisement of hundreds of thousands of voters” who had participated in the primary under the new boundaries.
The Trump administration also supported Hoskins’ position, warning that blocking the federal ruling could “jeopardize state officials’ ability to conduct a timely and lawful federal election.”
The Supreme Court nevertheless halted Clark’s order Thursday.
The timing made the legal battle especially urgent. Missouri’s deadline for finalizing ballots had already arrived, while the first ballots are scheduled to be distributed September 19.
Hoskins is also facing a separate dispute before the Missouri Supreme Court concerning his response to its earlier ruling.
For November, however, the immediate question has been answered.
Missouri voters will elect their congressional representatives using the 2022 districts. Meanwhile, voters are also expected to have their say on the disputed 2025 redistricting legislation through the referendum process.
What began as a fight over congressional lines has turned into a complicated confrontation involving state lawmakers, Missouri voters, state judges, a federal judge, the Trump administration and ultimately the U.S. Supreme Court.
And with control of Congress at stake this November, the boundaries on a Missouri map suddenly became a national political fight.
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