Fundraising in California's 4th Congressional District
Incumbent Mike Thompson is up for election in California's 4th Congressional District in 2026. This race is rated as . We estimate that $17.32M has been spent on this race over the last two years. Democrats have outspent Republicans by $13.09M over that time period, per our estimates.
Cumulative Spending by Party
Note: Recent data is often incomplete due to lags between spending and disclosure
Projected Outcome
We estimate a 95% chance of a Democratic win
per latest estimates-
Mike Thompson
Quarterly Committee Fundraising Amount: $720,616% Individual: 50.60%Committee Cash on Hand: $1,075,631 -
Eric Jones
Quarterly Committee Fundraising Amount: $247,414% Individual: 19.16%Committee Cash on Hand: $655,718 -
Sean Colin Frame
Quarterly Committee Fundraising Amount: $20,298% Individual: 100.00%Committee Cash on Hand: $16,864
Outside Spending
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