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2026 candidates we're tracking in CA-4
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Eric Jones
Democratic
Eric Jones is the Democratic candidate for California's 4th Congressional District on the November 3, 2026 ballot, per the Secretary of State's Certified List of Candidates (ballot designation: Businessman/Nonprofit Executive).
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Mike Thompson
Democratic
Incumbent
Mike Thompson represents California's 4th Congressional District, covering all or parts of Lake, Napa, Solano, Sonoma and Yolo counties, per his official House biography. He serves on the House Committee on Ways and Means as Ranking Member of the Subcommittee …
About this race
California's 4th 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 California primary is Tuesday, June 2, 2026, and the general election is Tuesday, November 3, 2026.