California's 4th Congressional District, 2026
New district linesEric Jones (D) vs. Mike Thompson (D): California's 4th District election is on Tuesday, November 3, 2026, part of the 2026 midterm elections.
- Election day
- Tuesday, Nov. 3, 2026
- Term
- Jan 3, 2027 – Jan 3, 2029
Who is running for California's 4th Congressional District?
Eric Jones (D) vs. Mike Thompson (D)
- Eric Jones, Democratic FEC filing ↗
- Mike Thompson, Democratic FEC filing ↗
New district lines for 2026
Drawn by Proposition 50, approved by voters in November 2025. Source ↗
Sitting members on this ballot
- (D) Mike Thompson, currently CA-4
When is the election?
Tuesday, Nov. 3, 2026
This race is for California's 4th Congressional District (CA-4, District 4). Find your district on the district map.
Candidate list: civicAPI ↗