State legislatures may redraw U.S. House district maps mid-decade to try to alter partisan advantage for upcoming federal elections.
October 13, 2025
high
process
Mid-decade redistricting is a legislative tactic used by both parties to influence the partisan composition of congressional delegations.
Redistricting outcomes can change the partisan distribution of U.S. House seats between election cycles, affecting how many seats each political party wins.
October 13, 2025
high
impact
Altering district boundaries can shift competitive dynamics and translate into different seat allocations in subsequent elections.