Skip to Main Content

Fundraising in California's 21st Congressional District

Incumbent Jim Costa is up for election in California's 21st Congressional District in 2026. This race is rated as Likely D. We estimate that $2.11M has been spent on this race over the last two years. Democrats have outspent Republicans by $568,067 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 91% chance of a Democratic win

per latest estimates

Track Livepolymarket

Outside Spending

Committee
Candidate
Support/Oppose
Amount
Date
Description