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House
CA-21 House winner?
Resolves by winning party
Chance
Jim Costa
Democratic party
94.9%
▼ 0.1
Yes
93.9¢
No
6.5¢
Jim Costa
Democratic party
94.9%
▼ 0.1
Yes
93.9¢
No
6.5¢
Kyle Kirkland
Republican party
5.1%
▲ 0.1
Yes
5.7¢
No
95¢
Kyle Kirkland
Republican party
5.1%
▲ 0.1
Yes
5.7¢
No
95¢
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Buy
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Dollars
CA-21 House winner?
Jim Costa
YES 93.9¢
NO 6.5¢
3.5% Interest
Dollars
$
Odds
94% chance
Max payout
Nov 3, 2027
$0
Sign up to trade
Costa
Nov 3
·
D +15.6
margin forecast
Kirkland
$35,719 vol
1D
1W
1M
ALL
Race Intel
CA-21 House Race 2026
Election
Nov 3, 2026
General election
Incumbent
Jim Costa (D)
Running for re-election
CA-21 House Candidates and Fundraising
Candidate
Raised
Small Donors
Jim Costa
D
$1.3M
0.8%
$1.3M raised
·
0.8% small donors
Kyle Kirkland
R
$339K
11%
$339K raised
·
11% small donors
Fundraising: FEC filings · Small-donor ≤ $200.
This does not include third party expenditures.
Past CA-21 Election Results
Past presidential elections
2024
D +6.0%
2020
D +21.1%