Mississippi Democrats scored a significant win Tuesday night, breaking the Republican supermajority in the state Senate for the first time in 13 years by flipping two seats and shifting the balance of power.

What did Mississippi Democrats say about ending the supermajority in the state?

“Mississippi just broke the supermajority—and the people have taken back their power,” the Mississippi Democratic Party wrote in social media posts Tuesday night. “From the Delta to the Pine Belt, voters stood up for fair leadership and community progress: Better schools. Fairer representation. Expanded healthcare. Good-paying jobs.”

A supermajority in the state Senate occurs when a single party has the power to pass rules and laws without needing a certain number of votes from the other party, according to ThoughtCo and the Press.

Under this voting threshold, the party can also change the chamber’s rules, propose constitutional amendments and override a governor’s veto, per ThoughtCo. Mississippi Republicans had exercised those rules under the supermajority they’ve held since 2011, but voters responded differently Tuesday night.

Court-ordered redistricting map helps majority-Black districts under the Voting Rights Act

The outcome stemmed from court-ordered special redistricting elections that created new opportunities for Black residents to exercise their voting rights at the ballot box. They elected two Democrats in key districts to change the number of Republican seats in the upper chamber from 36 to 34, according to the Mississippi Free Press and Newsweek.

While the South has often faced voter discrimination, Democrats are rising to the challenge by fighting for voting rights among marginalized groups in Mississippi and nationwide. The issue has also been litigated in federal court, with a focus on redistricting and the Voting Rights Act. This shift could reshape legislative and congressional representation in future elections.

“Last night’s victory proves that Mississippi is no longer a foregone conclusion-we are a battleground state,” Cheikh Taylor, Mississippi Democratic Party chair, said in a news release statement Wednesday, per the Mississippi Free Press. “But this win was only possible because the Voting Rights Act ensures fair representation. If the Supreme Court dismantles these protections, we risk silencing the very voices that made last night’s historic outcome possible. As voters continue to reject Trump’s agenda in 2026 and 2027, we must protect the fundamental right that makes change possible: the right to vote.”

Who are the Democrats who flipped Republican Senate seats?

On Tuesday night, six Senate seats and one House seat were part of the special elections based on the court order to redraw legislative maps to increase the number of majority-Black districts, per Newsweek.

Democrat Johnny DuPree won Senate District 45 (the Pine Belt region), previously held by Republican Chris Johnson of Hattiesburg: “I think it’s wonderful that the citizens of District 45 are satisfied,” he told WDAM.

At the same time, Democrat Theresa Gillespie Isom captured Senate District 2 (northern Mississippi), a seat formerly held by Republican David Parker of Olive Branch, who did not seek reelection, according to the Mississippi Free Press.

Mississippi was not the only state that had a blue wave Tuesday night. Other key states, like New York, New Jersey and Virginia, had significant wins to gain momentum into the midterm elections in 2026.