The remaking of the U.S. political map accelerated this week in courts and state legislatures, part of a broader effort in multiple states to adjust congressional district lines to improve party prospects in the 2026 midterms. A major development came in Virginia, where the Virginia Supreme Court invalidated a new Democratic congressional map that voters approved in April, resulting in the state’s earlier district lines staying in effect for the year’s elections.
In a 4-3 decision Friday, the Virginia Supreme Court struck down the Democratic plan that supporters said would give Democrats an inside track for 10 of the state’s 11 U.S. House seats—an increase from the six seats Democrats currently hold. The map was built as part of a push by both parties to redraw districts to gain advantage ahead of the 2026 elections. The court majority cited procedural flaws, saying state lawmakers did not follow required steps for advancing a constitutional amendment that paved the way for the new district maps.
The court said the amendment process failed because lawmakers approved the measure initially in October after early voting had begun for the general election. As a result, Virginia’s previous congressional maps remained in place for this year’s elections rather than the newly approved lines.
Across the South, lawmakers’ actions this week reflected the fallout from an April 29 U.S. Supreme Court ruling that struck down a Louisiana congressional district drawn to have a Black majority of constituents. The decision was widely treated as a blow to a Voting Rights Act provision that requires political maps to include districts where minority populations’ preferred candidates can win elections. In Louisiana, Republicans and Democrats faced a fast-moving process as state primaries scheduled for May 16 were suspended so lawmakers could create new districts.
Louisiana’s statehouse saw voting rights activists oppose proposals that could eliminate at least one of the two current majority-Black districts. With legal uncertainty high, the changes were moving quickly enough that state officials could not rely on the normal election calendar to play out the next round of contests.
In Alabama, Republicans enacted a law Friday that would ignore the results of the state’s May 19 congressional primaries and instead hold a new election if a federal court lifts an order affecting the state’s ability to draw a second district with a majority or near-majority of Black residents. Republicans currently hold four of Alabama’s six House seats and have said their goal is to use a map that could allow them to win an additional seat.
South Carolina’s GOP-dominated legislature met Friday to discuss creating a new map aimed at giving the party a chance to win all seven U.S. House seats in the state. Some lawmakers raised concerns about whether breaking up the single Democratic-controlled district could increase the risk that other districts become vulnerable to Democratic election wins.
Tennessee enacted a law Thursday creating a new U.S. House map that carves up a majority-Black House district in Memphis—described in the reporting as the only one now held by a Democrat. That change, as presented in the week’s coverage, would give Republicans a strong chance of winning all nine of Tennessee’s House seats.
The broader political picture could shift further if multiple states’ mid-decade map changes and court fights result in new districts that parties can contest in time for November. Normally, House districts are reworked after results from the once-a-decade U.S. Census are tallied, but this round is driven by a different combination of court decisions and legislative moves. President Donald Trump urged Texas officials to draw new districts to help his chance of keeping Congress in GOP control after the 2026 midterm elections, and Texas officials complied with a plan designed to add as many as five new seats.
Democratic-dominated California responded with a map intended to bring them five new states. Other states followed, and the pace picked up after the Supreme Court decision, especially in places where Republicans already hold nearly all the seats and thus have fewer structural constraints on potential gains.
The reporting said that without counting pending possible map changes in Alabama, Louisiana and South Carolina, the mid-decade redistricting has created 14 more House seats that Republicans believe they could win and six seats that could give Democrats an edge. That arithmetic, if it held through election day, would translate into a potential eight-seat advantage for the GOP ahead of the midterm elections, when the president’s party normally loses seats. Still, the ultimate outcome remained uncertain because changes could be blocked or adjusted by courts and because voters ultimately decide contests.
As of this week’s status report, Republicans held 217 seats in the U.S. House to Democrats’ 212, with one independent member. Five House seats were vacant.