Mid-decade redistricting—once an exception to the once-a-decade routine after each census—is now reshaping the U.S. House map in the mid-2020s. Legislatures, voters, and courts in both parties’ strongholds are reopening congressional lines ahead of the 2026 midterms.
With three House seats vacant, the current majority mark is 217 votes. Republicans hold 218, giving Speaker Mike Johnson (R-La.) only a one-seat lead on tough party-line votes.
To pad that cushion, Republicans set off the latest round of district adjustments by pushing a new map in Texas that aimed to add five GOP seats. Democrats then answered with moves in California and other blue states, arguing they could not leave those gains unanswered….
Mid-Decade Redistricting Wave Scrambles House Map Ahead of 2026
