Every House Democrat but one voted to defeat a constitutional amendment that would have permanently locked the Supreme Court at nine seats, a result Republicans say proves the left still wants to pack the court.
The measure, sponsored by Rep. Andy Biggs of Arizona, failed 212, 206 on the House floor Wednesday, well short of the two-thirds supermajority the Constitution requires to send an amendment to the states. The vote split almost perfectly along party lines, with Rep. Don Davis of North Carolina the sole Democrat to break ranks and support the proposal.
Speaker Mike Johnson brought the amendment to the floor under a procedure called "suspension of the rules," which fast-tracks legislation but raises the passage threshold from a simple majority to two-thirds. Johnson framed the maneuver as a deliberate test. He wanted every Democrat on record.
As Just The News reported, Johnson told reporters the day before the vote: "We're going to put that bill on the floor tomorrow on suspension because it requires a 2/3 vote of both chambers of Congress to amend the Constitution. And we will have them put their money where their mouth is."
He got his answer. Only Davis crossed the aisle. The other 205 Democrats who voted said no to enshrining the current nine-seat court in the Constitution, a number that has held steady since 1869.
Biggs, who sits on the Judiciary Committee, pitched the amendment as a structural guardrail against future manipulation. His argument was straightforward: if Congress can add seats whenever it dislikes a ruling, the court ceases to function as a check on government power.
In a statement reported by Fox News, Biggs asked the question directly:
"How can the Supreme Court protect Americans from government overreach if the same government can pack the court whenever it dislikes a ruling?"
He also warned about the long-term institutional damage. "Once you go down that road, the court stops being an independent check on government power," Biggs said. "It becomes another political institution controlled by whoever happens to hold the majority."
Rep. Brad Knott, a North Carolina Republican on the Judiciary Committee, told The Hill that the party-line outcome did not surprise him. "Democrats are very clear. They want to pack the court," Knott said. "We want to maintain the normalcy and stick with the process that we've done for a long time."
Republicans have opposed court-packing since Franklin Roosevelt tried it in 1937. The difference now is that prominent Democrats have moved from floating the idea in academic panels to introducing formal resolutions to expand the bench. Progressives like Rep. Jamie Raskin have pushed to add four seats, bringing the total to thirteen, one justice for each federal circuit.
Democratic leaders made no effort to engage the substance of the amendment. Rep. Pete Aguilar of California, the House Democratic Caucus chair, waved it off as political theater.
"This is such a fake issue that Republicans are putting on," Aguilar told reporters. He said he had traveled extensively over the long summer recess and heard nothing from constituents about the Supreme Court's size. "Nowhere ever are people saying, 'You know what we should do? We should cap the number of Supreme Court justices,'" he said.
Aguilar added that he understood the political logic behind the vote but insisted the public was focused elsewhere, on the cost of living, which Democrats argue has risen under the current administration.
Rep. Mary Gay Scanlon, a Pennsylvania Democrat, offered a more candid objection. "I think it would be a grave mistake to dictate how many justices should sit on the Supreme Court in perpetuity, and thereby lock in for a generation or more a right-wing majority," Scanlon told the New York Post.
That statement cut against Aguilar's "fake issue" framing. Scanlon did not call the amendment irrelevant. She called it dangerous, because it would prevent Democrats from reshaping the court's ideological balance in the future. The quiet part, said out loud.
The National Republican Congressional Committee, the campaign arm that recruits and funds House GOP candidates, released a statement minutes after the final tally. Spokesman Mike Marinella framed the vote as a preview of what a Democratic House majority would pursue.
Democrats voted against the amendment "so they can follow through on a radical socialist agenda," Marinella said. He added:
"Give House Democrats an ounce of power, and they'll use every bit of it to fundamentally transform America into an unrecognizable socialist hellscape."
The speed of the NRCC's response underscored what both parties understood about the vote. Johnson did not expect the amendment to pass. He expected it to produce a roll call, a list of names, attached to a position, useful in thirty-second ads. Every vulnerable Democrat who voted no now carries that vote into the 2026 midterms.
The political logic mirrors other recent high-stakes votes in Congress. Narrow outcomes on major nominations have already shown how individual votes can define, or end, a political career in a closely divided chamber.
Don Davis of North Carolina was the only Democrat to vote yes. Davis represents a swing district in eastern North Carolina that voted for Donald Trump. His crossover vote is consistent with the survival math that other moderate Democrats have navigated on politically charged votes, sometimes breaking with leadership, sometimes paying a price for it.
No Republican voted against the amendment. The 212 yes votes represented the full GOP conference that was present and voting. But under the suspension procedure Johnson chose, even unanimous Republican support was never going to be enough without significant Democratic help.
That raises a question Johnson's critics on both sides have posed: why use suspension at all? A simple-majority vote through the regular Rules Committee process would have passed the amendment out of the House. But a constitutional amendment still requires two-thirds of both chambers and ratification by three-fourths of the states. Passing it with a bare majority in the House would have been symbolically satisfying but constitutionally meaningless.
Johnson chose the route that matched the constitutional standard, and produced the political contrast he wanted. Democrats could not hide behind procedure. They had to vote, and they voted no.
Democratic interest in expanding the Supreme Court has intensified in recent years, particularly after rulings that favored the Trump administration on executive authority and regulatory power. Progressive members have openly called for adding seats to dilute the court's current 6, 3 conservative majority.
Republicans framed Wednesday's vote partly as a response to the Democratic Socialists of America, whose platform calls for abolishing the Supreme Court entirely. The NRCC's post-vote messaging tied House Democrats to that position, arguing that a party unwilling to lock in nine justices is a party willing to entertain far more radical changes to the judiciary.
The broader fight over institutional norms and the separation of powers has become one of the defining tensions of the current Congress. Court-packing is not an abstract law-school hypothetical anymore. It is a live political question with named sponsors, floor votes, and a paper trail.
Wednesday's vote did not settle the question. It clarified where each party stands. Republicans want the number fixed at nine. All but one Democrat refused to agree, and at least one, Scanlon, explained exactly why: she wants the option to change the court's composition if her party ever gets the chance.
When someone tells you what they intend to do, the least you can do is take them at their word.