California · U.S. House

California's 21st District

U.S. House · Most votes wins

California

Official filing listNot reported

Holds the seat nowJim CostaDemocratic

Jim Costa

Democratic–Not reported

vsU.S. House · California

Kyle Kirkland

Republican–Not reported

Kyle KirklandRep––
Jim CostaIncumbentDem––

Sources¹²

About this race

Office: U.S. House
Level: Federal
How it is decided: Most votes wins
Ballot: Party labels on the ballot
Candidates known from: Official filing list
Results: Not reported

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Questions and answers

Who is running for California's 21st District?

Kyle Kirkland (Republican), Jim Costa (Democratic), according to the official source listed on this page.

Who holds this seat now?

Jim Costa (Democratic).

How is the winner decided?

Most votes wins.

When is the election?

Election Day is Tuesday, November 3, 2026. Polls close at different times in each state; results appear here as each election office publishes its official returns.

When will results be available?

On election night, as each county and state election office publishes its returns. Until a race reports, it shows as not reported, never as zero; results stay unofficial until they are certified.