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◆ THE IDEOLOGY ATLAS

California District 4 House Election 2026

Mike Thompson (D) is running. Cook Political Report rating: Solid D.

Status: upcoming. Election day is November 3, 2026.

New map for 2026 (Proposition 50). Top-two system: the two leading primary finishers advance regardless of party.

Candidates

CandidateParty
Mike ThompsonDemocratic
Eric JonesDemocratic
Open the interactive race pageTake the political test →

Sources

Candidates checked October 12, 2026; Cook ratings as of October 9, 2026.