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CA-48

California — U.S. House District 48

Nov 3, 2026California2 candidates

Incumbent

DI
Darrell Issa
(R)IncumbentNot on the ballot

Since 2001

Participation
99%
Party Unity
96%
Bipartisan
4%
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Challengers

2
JD
Jim Desmond
(R)

Republican member of the San Diego County Board of Supervisors and former Mayor of San Marcos.

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MV
Marni Von Wilpert
(D)

Democratic member of the San Diego City Council and attorney running for California's 48th congressional district in 2026.

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Campaign finance data not yet available for this race.

Election History

2026
2024
Darrell Issa(R)59.3%
2022
Darrell Issa(R)60.4%
2020
Harley Rouda(D)48.9%
2018
Harley Rouda(D)53.6%

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