Supreme Court preserves Mississippi mail ballot deadline, briefly

In a 5-4 decision, the Supreme Court upheld a Mississippi law that allows mail-in ballots to be counted up to five days after Election Day as long as they were postmarked by the election—averting chaos in the midterms and dealing a sharp setback to President T

For election officials who were bracing for the worst, Monday brought a rare moment of relief from the Supreme Court.

The court upheld a Mississippi law that lets mail-in ballots be counted up to five days after Election Day, provided the ballots were postmarked by Election Day. The ruling—decided 5-4—avoided a dramatic shift that advocates feared could throw midterm voting into turmoil.

Justice Amy Coney Barrett wrote for the majority and was joined by Chief Justice John Roberts and the court’s three liberal justices. The decision overruled the Fifth Circuit Court of Appeals.

Barrett’s key point was narrow and procedural: the Mississippi statute sets a deadline for when voters must make their choice. not when election officials must receive a ballot. “In sum, the election-day statutes require the electorate’s choice to be made on election day,” Barrett wrote. “That occurs so long as election day is the deadline for individuals to vote—as it is in Mississippi. But the election-day statutes do not set a deadline for ballot receipt. so they do not prevent Mississippi from counting ballots postmarked before election day yet received afterward.”.

The stakes were not abstract. The high court’s decision comes amid a patchwork of state rules around mail voting. Fourteen states have mail-in ballot grace periods on the books, and 30 states accept ballots from overseas and military voters sent before or on Election Day but received afterward.

Data from the 2024 election underscores how much hinges on these postmark-and-receipt rules. The New York Times found that “at least 725. 000 ballots were postmarked by Election Day and arrived within the legally accepted post-election window.” If states had tightened their deadlines months before the general election—especially in places where postal delivery can be slower—hundreds of thousands of voters could have been caught unaware of stricter rules. Their ballots could have been thrown out because of postal delays. or because they live in remote. rural locations. including in states like Alaska.

Justice Samuel Alito dissented. He was joined by Justices Clarence Thomas, Neil Gorsuch, and Brett Kavanaugh. Alito argued that accepting late-arriving ballots effectively postpones the date on which the electorate’s choice is made and that federal law bars that kind of postponement. His dissent claimed that the outcome changes nothing about the voter’s intent. since ballots are still required to be submitted by Election Day—but he still said federal law precludes the practice.

Alito also warned that the court’s ruling would create “opportunities for voter fraud that may further undermine Americans’ faith in the integrity of this country’s elections.” He wrote that “diverse sources have recognized that mail-in ballots increase the potential for fraud.”

That framing lands in a political moment already tense around mail voting.

President Trump has repeatedly spread conspiracies about mail voting. More recently, he attacked California’s protracted vote count as a “rigged election.” And the administration’s latest push to undercut mail voting has focused on how ballots get delivered.

The plan Trump’s team has advanced would require states to hand over voter rolls to the Department of Homeland Security for the Postal Service to deliver mail-in ballots. The proposal has been met with fierce pushback from election officials, who described it as extortion. The head of the Postal Service told the Senate that the agency was following Trump’s directive. saying Trump wanted “the right ballots are going to the right people.” A federal judge last week blocked key parts of a Trump executive order that authorized such a scheme.

Alito’s dissent, with its emphasis on fraud risk, amplifies the same political impulse—casting mail voting as inherently vulnerable and suggesting that the court has left the door open to further restriction.

But for voters in Mississippi, the practical impact is simpler: ballots postmarked by Election Day can still be counted for the five-day window the law allows.

The immediate question now is what comes next.

Barrett’s ruling only resolves one dispute about ballot receipt deadlines. It does not erase the broader fight over mail voting that has been playing out in courts and in executive actions. And it arrives just after another major blow to voting rights delivered by the Roberts Court.

In late April, the court effectively destroyed the Voting Rights Act. That decision gave Republicans enough time to dismantle majority-Black seats held by Democrats in Tennessee, Louisiana, and Alabama. The aftermath included a series of orders by the Republican-appointed justices on the shadow docket that expedited efforts to erase Black representation and give their party additional seats before the midterms.

Monday’s decision offered a brief shield against one form of election disruption. Yet the larger fight over how Americans vote—especially who gets counted, and how—remains very much alive.

Supreme Court Mississippi mail-in ballots Election Day postmarked five-day grace period Voting Rights Act Amy Coney Barrett Samuel Alito dissent voter fraud debate Department of Homeland Security Postal Service