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March 3rd Preview: Texas Republican U.S. House Primaries

VoteHub · March 1, 2026

High-stakes Texas GOP primaries test incumbents, Trump’s influence, and redistricting reshaped seats ahead of November’s elections.

Texas voters head to the polls on March 3rd for a slate of high-stakes Republican primaries that will help define the direction of the state GOP. While the U.S. Senate race has drawn much of the attention, several congressional contests — including incumbent-versus-insurgent battles and crowded open seats shaped by redistricting — will also ensure a busy night up and down the ballot.

In this Trump +23 Houston-area district, incumbent Rep. Dan Crenshaw faces a serious primary challenge from State Rep. Steve Toth, one of the most conservative members of the Texas State House. Crenshaw, a former Navy SEAL, has drawn criticism from hardline conservatives over his hawkish foreign policy positions and his vote to certify the 2020 presidential election. He is the only Texas Republican House incumbent this cycle who has not received an endorsement from President D…