With a year to go before the midterm elections, the defining political issue of 2026 is still not certain. But what is clear so far is that mid-decade redistricting will have a major impact on the House battlefield.

Newly enacted maps in a handful of states have influenced where some lawmakers land on our top 10 list of the most vulnerable House incumbents 365 days before Election Day 2026.

Of course, incumbents from the most evenly split and competitive House districts continue to dominate the list. But the top two spots are claimed by a pair of Democrats, Don Davis of North Carolina and Vicente Gonzalez of Texas, whose districts were made significantly redder by state Republicans after President Donald Trump called for new maps to help the GOP defend its narrow House majority next ye

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