Jim Costa, 2026 California 21st District House Democratic candidate
Jim Costa*
DEMOCRATIC
US House of Representatives (D-CA)
2005 – Present
California state flag

2026 California 21st District House Polls

Kyle Kirkland, 2026 California 21st District House Republican candidate
Kyle Kirkland
REPUBLICAN
Casino Owner

2026 California 21st District House Polling Average:

Aggregate of all polls released for California's 21st congressional district House election between Democrat Jim Costa and Republican Kyle Kirkland. This page will update the moment new polls are released, including the polling average, projected margin, and survey details.

Year
2026
Race
House
District
CA-21
Democratic candidate
Jim Costa
Republican candidate
Kyle Kirkland
Incumbent / open seat
Jim Costa
Polling average
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Polling average margin
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Last updated
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Polls included
0
Latest poll
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California 21st District House Polling Trend

2026 California 21st district House Polling Average

No public general-election polls are currently included in the Pollsmax polling average for the 2026 California 21st district House election.

Democrat

—%

Weighted polling average

Republican

—%

Weighted polling average

Net margin

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Polling average difference

Polls Included

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Number of polls conducted

Latest California 21st District House Polls

About the Pollsmax Polling Average

Pollsmax creates a time-weighted and partisanship-adjusted polling average from an aggregate of all polls conducted for the general election. See the polling methodology to learn more about how polls are standardized and weighted.