Influence no longer invisible Races · CA-04 House 2026
Hidden Levers
Race · U.S. House · California · 2026

California District 4 · U.S. House · 2026

Seat U.S. House, California District 4

← All 2026 races

Race header

U.S. House, California District 4 · Incumbent running
DEMAdvanced to the general
Eric Jones
66%Hume Outlook · Hume model estimate · as of 2026-10-28
DEMAdvanced to the general
Mike Thompson incumbent
34%Hume Outlook · Hume model estimate · as of 2026-10-28
IncumbentMike Thompson

Hume Outlook

hume-2026.10-r1 · Forecast as of Oct 28, 2026
66% Eric Jones · DemocratLow confidenceChance to win, between the two named candidates
DEM Eric Jones 66%
DEM Mike Thompson 34%
  • Hume model estimate · built on polls, fundamentals, and markets
Latest poll Not available No public polls of this race in our data yet.
Seat lean (Hume PVI) Not available The district lean is held: this state's House map was redrawn, and the plan-aware lean has not yet been cross-checked.
Prior result, this seat Not available District redrawn; not comparable.

Side by side

2 candidates · 5 measures
FEC summary through 2026-10-14
MeasureDEMJonesDEMThompson
Total receiptsUSD, cycle to date, all authorized committees
Eric Jones$18,058,057.13
Mike Thompson$5,482,944.34
Total disbursementsUSD, cycle to date
Eric Jones$16,516,978.44
Mike Thompson$5,290,993.22
Cash on handUSD, close of the covered period
Eric Jones$1,541,078.69
Mike Thompson$1,401,439.52
Latest pollpercent, as stored
Eric JonesNot available No public polls of this race in our data yet.
Mike ThompsonNot available No public polls of this race in our data yet.
Seat lean (Hume PVI)identical for every candidate
Eric JonesNot available The district lean is held: this state's House map was redrawn, and the plan-aware lean has not yet been cross-checked.
Mike ThompsonNot available The district lean is held: this state's House map was redrawn, and the plan-aware lean has not yet been cross-checked.
Money is each candidate's FEC summary: every committee the candidate has authorized, combined, as filed through the coverage date shown.

Polling

0 listed · newest first

Not available No public polls of this race in our data yet.

    Seat lean · Hume PVI

    not available

    Not available The district lean is held: this state's House map was redrawn, and the plan-aware lean has not yet been cross-checked.

    Prior result, this seat

    not available

    Not available District redrawn; not comparable.

    Sources: FEC filings (through Oct 14, 2026) · Hume PVI and Hume Outlook: Hidden Levers estimates.

    Federal law prohibits the sale or use of contributor information copied from FEC reports, by any person, for the purpose of soliciting contributions (including charitable contributions) or for any commercial purpose. 52 U.S.C. §30111(a)(4); 11 C.F.R. §104.15. Hidden Levers does not provide contributor contact information.