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2025–26 Mid-Decade Redistricting Explained: Which States Redrew Their Maps

Facts checked Oct. 28, 2026 · Jamoke News does not project winners or call races; results link to the AP.

Between July 2025 and June 2026, an unusual number of states redrew their U.S. House maps in the middle of the decade, the largest such effort in modern history. Here is what changed for the 2026 elections.

How it started

Texas Republicans redrew the state’s map in summer 2025 at President Trump’s urging, aiming to gain up to five seats; the map was enacted Aug. 29, 2025. California Democrats answered with Proposition 50, a constitutional amendment voters approved on Nov. 4, 2025, to redraw that state’s map in Democrats’ favor.

Sources: Texas Tribune: Texas redistricting and coalition districts · New York Times: Newsom's redistricting response to Texas · Wikipedia: 2025–2026 United States redistricting (overview, with sources)

New maps in effect for 2026

• Texas (enacted Aug. 2025): drawn to favor Republicans.
• North Carolina (Oct. 2025): designed to give Republicans an extra seat.
• Ohio (Oct. 2025): redrawn because the previous map lacked the bipartisan support the state constitution requires.
• California (Prop. 50, Nov. 2025): drawn to favor Democrats.
• Utah (Nov. 2025): new map after the Utah Supreme Court struck down the old one as a partisan gerrymander.
• Florida, Tennessee, Louisiana and Alabama (May–June 2026): enacted after the U.S. Supreme Court’s April 29, 2026 decision in Louisiana v. Callais, which held that Section 2 of the Voting Rights Act does not require states to draw majority-minority districts.

Sources: NBC News: North Carolina passes new map designed to give GOP an extra seat · PBS NewsHour: Federal court rejects bid to block Utah House map · AP: Florida redistricting · NBC News: Louisiana delays House primaries after Supreme Court ruling · NBC News: Supreme Court allows Alabama map · Wikipedia: 2025–2026 United States redistricting (overview, with sources)

Attempts that did not take effect for 2026

• Missouri enacted a new map in September 2025, but after a citizen referendum petition it was blocked from use in 2026; a ballot measure (Proposition A) this November decides whether it is used in 2028.
• Virginia voters approved a redistricting amendment in April 2026, but the Virginia Supreme Court invalidated it, so the previous map remains.

Sources: Politico: Missouri Supreme Court ruling on GOP map, Mar. 24, 2026 · Politico: Virginia redistricting amendment · Wikipedia: 2025–2026 United States redistricting (overview, with sources)

Where to see the effect

Several of the House races the Cook Political Report rates as toss-ups are in redrawn states, including Texas (TX-15, TX-35), North Carolina (NC-01) and Ohio (OH-07, OH-09). See the Texas, North Carolina and Ohio guides.

Sources: Cook Political Report House ratings, Oct. 23, 2026