Republican gerrymanders backfire in 2026 blue wave

Republicans redraw maps for advantage

Republican state legislatures in Ohio and North Carolina redrew congressional maps in 2025 to maximize House seats. Ohio's 12 of 15 new seats and North Carolina's 11 of 14 included Trump voters from 2024.

The strategy: spread voters thin

By spreading supportive voters across many districts, parties can create more seats leaning their way. But spread too thin, these efforts backfire in wave elections, an unintended consequence called a dummymander.

Democratic wave sweeps Trump districts

In 2026, Democrats won dozens of seats previously out of reach, including districts Trump won by double digits in 2024. Many were in heavily gerrymandered Republican seats across Ohio and North Carolina.

North Carolina's drastic reversal

North Carolina Republicans aimed to design districts where they would win almost two-thirds of their congressional delegation. The party is currently poised to hold at best less than one-third of their state's seats.

“almost two-thirds of their congressional delegation”

Ohio's failed two-thirds majority

Ohio's gerrymander aimed for a two-thirds Republican majority in their House delegation but will net them less than half of that in the 120th Congress, producing a more representative result.

Texas and Florida hold the line

Texas and Florida Republicans targeted Democrat-held seats to flip in 2026. But the Democratic wave retained most of these seats, leaving both states' delegations identical to the previous Congress.

Tennessee's narrow Republican hold

Tennessee's 9th District, the last remaining Democratic seat in the state, was gerrymandered into a district Trump won by 21 points in 2024.Republicans held it by just 2,500 votes, or just over 1 percentage point.

California's Democratic success

California, which Democrats gerrymandered in reaction to Republican efforts, is a partisan success story. The state is projected to send only 8 percent of their delegation to the House as Republicans, despite voting 30 percent…

Failed maps could have cost more

Courts struck down gerrymanders in Missouri and Utah that would have created districts Trump won by around 20 percentage points. If not struck down, Democrats could have netted as many as five additional seats.

Indiana and South Carolina near misses

New maps in Indiana and South Carolina intended to produce lopsided Republican gains failed in state legislatures.

Wave elections can overcome gerrymanders

The 2026 cycle shows gerrymandering is complex and dynamic. Wave elections can overcome intended effects of gerrymandered maps, but subsequent elections might find them much more effective.

Future maps target Black districts

Both parties are dealing with the Louisiana v. Callais Supreme Court decision, which made gerrymandering of racial groups easier without court intervention. Republicans may attempt new maps in southern states to dilute majority-Black districts.