The Ballot Brief
2026 U.S. House

Oklahoma's 1st Congressional District — 2026 Candidates

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U.S. House · OK-1
Primary: Tuesday, June 16, 2026 General: Tuesday, November 3, 2026

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2026 candidates we're tracking in OK-1

John Croisant

Democratic

Top priorities

From the campaign site

  • Education
  • Healthcare
  • Housing & Childcare
About John Croisant

John Croisant is the Democratic candidate for Oklahoma's 1st Congressional District on the November 3, 2026 ballot, per the Oklahoma State Election Board's 2026 candidate list and official primary results. Croisant owns an insurance agency and serves as vice president of the Tulsa Public Schools Board of Education, per his campaign site. He previously taught social studies at Edison Prep and coached youth soccer, per the same source.

Mark Tedford

Republican

Top priorities

From the campaign site

  • Applying business experience to economic policy
  • Continuing a conservative legislative approach in Congress
About Mark Tedford

Mark Tedford is the Republican candidate for Oklahoma's 1st Congressional District on the November 3, 2026 ballot, per the Oklahoma State Election Board's 2026 candidate list and official primary results. Tedford owns Tedford Insurance, a Tulsa-based business, per his campaign site. He has served in the Oklahoma House of Representatives since 2022 and co-founded the Ten District Initiative, a mixed-use development project in Jenks, per the same source.

About this race

Oklahoma's 1st Congressional District elects one member of the U.S. House of Representatives to a two-year term. Every House seat in the country is on the ballot in 2026. The Oklahoma primary is Tuesday, June 16, 2026 (runoff Tuesday, August 25, 2026 if needed), and the general election is Tuesday, November 3, 2026.

Oklahoma primary details →  ·  Oklahoma voter guide →