Interactive map lays out the fight for House control amid Republican advantage
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An NBC News graphic lets readers model scenarios in which Democrats can overcome a GOP edge to win a majority, or Republicans can cling to control of the House of Representatives.
An interactive graphic from NBC News lets users explore how the 2026 congressional elections could shape control of the U.S. House of Representatives. Right now, Republicans hold 219 seats, Democrats 214, with two seats vacant. Democrats would need a net gain of three seats to win a majority, while Republicans are trying to defend their narrow grip on power. The analysis points out that many competitive districts are in states President Donald Trump won in 2024, and that redistricting efforts last year gave Republicans a structural advantage. Users can adjust variables to see how different outcomes might affect the size of a Democratic majority or help Republicans hang on to the chamber.