U.S. Supreme Court Blocks Missouri's 2025 Congressional Map a Third Time, Keeping 2022 Lines for November

A Five-Page Order, No Noted Dissents

On Friday, Sept. 25, 2026, the U.S. Supreme Court blocked Missouri from using its Republican-drawn 2025 congressional map in the November election^[1][2]. The order was five pages long and unsigned. No justice noted a dissent^[1][3]. It paused a ruling the 8th U.S. Circuit Court of Appeals had issued just four days earlier, on Sept. 21, which would have forced the state to use the new map^[1][6].

This was the third time in September that the justices declined to let that map take effect^[1][8]. So Missouri's eight House seats will be decided in November under the same district lines the state used in 2022 and 2024^[1][2].

Here is the collision at the center of it: Missouri already held its August primary under the 2025 map. Now the general election will run under the 2022 map instead^[1][7]. Two different maps, two stages of the same election. Both sides agree that's true. They just disagree about whose fault it is.

The Petition Nobody Can Agree Was Handled Right

The fight traces back to a tool built into Missouri's constitution: the citizen referendum. If enough voters sign a petition against a new law within a set window, the law freezes. It cannot take effect until voters decide its fate at the ballot box. That mechanism is why a map passed by the legislature in September 2025 might still not be the map used in 2026.

Missouri's Republican-controlled legislature passed that new map, known as HB 1, at President Trump's urging, and Gov. Mike Kehoe signed it^[1][9]. It was drawn to make the Kansas City seat held by Democratic Rep. Emanuel Cleaver winnable for Republicans. Under the old lines, Republicans already hold six of the state's eight seats^[8][9].

Opponents moved fast. They gathered more than 300,000 signatures by December 2025, seeking a public vote on the map^[1][8]. Secretary of State Denny Hoskins, a Republican, rejected the petition on Aug. 4, 2026 — the same day as the primary, which had already been run under the 2025 map. He argued congressional maps simply cannot be put to a referendum^[4][8].

He turned out to be wrong, according to Missouri's own top court. On Sept. 3, the Missouri Supreme Court ruled 7-0 that the petition was "legal, sufficient, and timely," and that Hoskins "incorrectly concluded otherwise"^[1][4][5]. The 2025 map will now appear on the November ballot for voters to accept or reject on their own, separate from the House races^[5].

Why "Consistency" Means Opposite Things to Each Side

Republicans, including Kehoe, argue the courts have now created exactly the confusion Hoskins warned about. Voters picked their party's nominees in August under the 2025 map. Running the general election on different lines means some of those voters' primary choices no longer match the race on their November ballot^[7][9]. Kehoe said Missourians "deserved consistency and certainty, and not for the rules to be changed between elections"^[9].

That argument found real traction. The 8th Circuit's Sept. 21 ruling agreed a version of it raised a problem under Article I, Section 2 of the U.S. Constitution, the clause governing how House members are chosen — and two voters in the underlying lawsuit were shown to be in exactly that mismatched position^[6][7]. It's the strongest card Republicans have: an actual, concrete disruption, not a hypothetical one.

But the map's opponents point to a different timeline. The Missouri Supreme Court had signaled back in May that the 2025 map would not govern the 2026 election. Hoskins nonetheless waited until primary day itself to reject the referendum petition^[1][4]. In the Supreme Court's own words, Hoskins "was well aware" that running the primary on the 2025 map "carried significant risks"^[1][2].

So the mismatch both sides now point to as proof of chaos was foreseeable months in advance — the dispute is over who had the power to prevent it and chose not to.

What the Justices Actually Said

The Supreme Court didn't rule on the merits of gerrymandering or take sides on Kansas City's district lines. It ruled narrowly: under Missouri's own state law, "the 2022 map — not the 2025 map — must be used" for this election^[1]. It leaned on Missouri's own Supreme Court having already settled that question, and on a brief from county clerks and election officials confirming that voting under the 2022 map was already underway^[1][2].

Courts are generally reluctant to change election rules once voting has started, because late changes confuse voters and burden the officials printing ballots and processing absentee requests. The justices applied that caution directly against the 2025 map: reverting to it now, they wrote, "would usher in electoral chaos"^[1][3]. That single phrase became the order's operative logic — not who drew fairer lines, but what a last-minute switch would do to an election already in motion.

The order also functioned as a pointed correction of the lower federal courts. Talking Points Memo, a left-leaning outlet, called it a "slap on the wrist" for the 8th Circuit^[15]. Missouri officials, including Hoskins, said they would comply with the ruling regardless of how they felt about it. Hoskins called it "a disappointing blow to representative democracy" while confirming his office would follow it^[9].

Whose Framing Survives Contact With the Record

For Republicans, the stakes go beyond one seat: with the House split roughly 219 Republican-aligned to 214 Democratic seats, according to Al Jazeera's count, a single district can decide who controls the chamber^[10]. That's the incentive driving a national GOP redistricting push that Trump initiated, and it's why Missouri Republicans pursued this map through three trips to the Supreme Court rather than dropping it after the first loss^[3][10].

For Cleaver, the ACLU, and the group behind the referendum, People Not Politicians, the framing is that a citizen check on mid-decade redistricting actually worked as designed. The ACLU said the Court had "for a third time" declined to overturn a "lawful" map^[19]. Cleaver, whose district was the direct target of the redraw, called the fight "manufactured chaos" that "has at long last ended," and said his "reelection prospects shot up significantly"^[9].

News coverage split along familiar lines. Fox News framed the saga as a "mess" that spread responsibility across the whole process, without dwelling on Hoskins's primary-day rejection^[12]. RedState treated the 8th Circuit's since-paused Sept. 21 ruling as though it had already settled the matter, running the headline "New Map Must Be Used in November"^[14]. CNN led with Republican motive, framing the story as a bid to "capture" a Democratic seat, while giving less space to the state-law and election-timing reasoning the Court actually relied on^[11]. Al Jazeera's account was more procedural, but still centered Trump's national push rather than Missouri's referendum law^[10].

What's Left Unsettled

The map fight for this election cycle is over. But the underlying question voters will still answer isn't. In November, alongside the House races run under the 2022 lines, Missourians will separately vote on whether to accept or reject the 2025 map outright^[5]. That vote will decide whether the map Republicans fought three times to defend could ever take effect in a future election.

Meanwhile, a separate legal fight is still pending: a group of roughly 162,000 Missouri voters has sued Hoskins, seeking $80 million in statutory penalties over his handling of the referendum petition^[20]. That case wasn't resolved by Friday's order — it's a dispute about accountability for the process, running on its own track even after the map question itself has closed.