The Missouri Supreme Court granted a major win to the state’s Republican Party on Tuesday, upholding the GOP redistricting plan in two opinions it handed down Tuesday evening.
The two decisions upheld that the state’s Republican-friendly redrawn map is legal and can be used for the 2026 midterm election cycle. The map, signed into law by Gov. Mike Kehoe (R-MO) in 2025, dices up the Democratic district surrounding Kansas City and aims to give the GOP a 7-1 advantage over Democrats. They currently have a 6-2 advantage.
Kehoe celebrated the rulings as a “HUGE victory for voters” in a Tuesday statement, pinning the state’s redistricting push and values against those of blue states like California.
“Missourians are more alike than we are different, and our Missouri values — rooted in common sense, hard work, and personal responsibility — are stronger and far more aligned across both sides of the aisle than the extreme left-wing agendas pushed in states like New York, California, and Illinois,” Kehoe said. “The Missouri First Map ensures those values are represented fairly and accurately at every level of government.”
One of the cases focused on the timing of the map installation, with the American Civil Liberties Union of Missouri arguing the submission of a 300,000-signature petition for a referendum on the map should have halted the GOP-friendly map’s installation before it took effect in December 2025. Missouri Secretary of State Denny Hoskins has not yet declared the signatures valid and does not have to act on them until the state’s Aug. 4 primaries.
The state Supreme Court upheld a lower court’s argument that the referendum process does not bar the map from being installed for the 2026 elections.
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The other ruling declared that plaintiffs failed to show the map was drawn out of compliance with the state’s constitution, rendering the GOP-drawn map legal.
The two Missouri decisions are major wins for Republicans and President Donald Trump on a national scale as the redistricting battle between Democrats and Republicans reaches a boiling point ahead of the midterm elections.