Several states have already enacted new congressional district maps ahead of the 2026 midterms through legislative action or court rulings, with eight—including California, Florida, Missouri, North Carolina, Ohio, Tennessee, Texas, and Utah—finalizing changes that alter district lines for the November elections. A late-April U.S. Supreme Court decision in a Louisiana Voting Rights Act case narrowed protections for majority-minority districts and accelerated mid-decade redistricting efforts, particularly in Republican-controlled states seeking additional seats. Ongoing litigation and primary delays in Alabama, Louisiana, and South Carolina could still produce further map adjustments before ballots are finalized, while other states face procedural hurdles around special sessions and court challenges. These developments reflect state-level control over redistricting and the compressed timeline for implementing any remaining revisions.