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Interactive: How the congressional map redistricting battle has played out in each state

Eight states have enacted new congressional maps ahead of the 2026 midterm elections, with six favoring Republicans and two favoring Democrats; the effort could net an additional eight Republican seats.
President Donald Trump urged Texas last year to redraw its maps to flip up to five districts held by Democrats and gain House seats; since then, Indiana, Maryland, New York, and Washington have attempted similar redistricting efforts.
The Supreme Court ruled Louisiana's congressional maps unconstitutional for excessive race reliance, limiting the Voting Rights Act; Tennessee subsequently split the majority-Black district containing Memphis among three Republican districts.
Virginia voters approved new districts in April, but the state Supreme Court overturned the results, demonstrating the ongoing redistricting battle occurring through both state legislatures and state courts.
Republican-Controlled states are using this mid-decade redistricting strategy to redraw maps eliminating districts with large Black and Latino populations, with the Facts Data Team tracking states joining the effort ahead of the 2026 midterms.

Insights by Ground AI