CA-21

Name: CA-21 Election 2026
Start: 2026-11-03
Location: California

California — U.S. House District 21

Nov 3, 2026California2 candidates

Incumbent

Jim Costa

(D)Incumbent

In office since 2005 · 11 terms

Participation

96%

Party Unity

87%

Bipartisan

13%

Coverage Scorecard

Net +676 votes

Good Look (5)Bad Look (1)

View Full Profile

Jim Costa

(D)Incumbent

Since 2005

Participation

96%

Party Unity

87%

Bipartisan

13%

View Full Profile

Challengers

Kyle Kirkland

(R)

View Profile

Campaign finance data not yet available for this race.

Recent Coverage

Costa eyes run for top Democrat on House Ag, shaking up already competitive race

POLITICOSep 16, 2026

informational

California Sens. Padilla and Schiff lead bipartisan push to block Yosemite deal

The TribuneSep 15, 2026

positive

Election History

2024

2022

2020

2018

2026

Jim Costa(D)N/A

Kyle Kirkland(R)N/A

2024

Jim Costa(D)52.6%

Michael Maher(R)47.4%

2022

Jim Costa(D)54.2%

Michael Maher(R)45.8%

2020

David G Valadao(R)50.4%

TJ Cox(D)49.6%

2018

TJ Cox(D)50.4%

David Valadao(R)49.6%

Campaign finance data sourced from FEC filings. Election results from MIT Election Lab. ChamberLight is not an official government source.

Search