Congressional Races Set in San Diego Region
Candidates are contesting Districts 48 through 52 in San Diego and Riverside counties in the November 2026 election, with District 48 redrawn after Proposition 50.
Updated on Nov. 4, 2026 in Elections
Live Poll
Did you vote in your San Diego-area congressional race?
Congressional races for California's Districts 48 through 52 are being contested in the November 2026 election. The 48th district was redrawn after the passage of Proposition 50 and includes parts of San Diego and Riverside counties.
Why it matters
The redrawn boundaries and named matchups determine which candidates will represent San Diego-area voters in Congress. Each district spans different communities, from the north county coast to central and eastern San Diego.
Each of the five districts features a Democratic and a Republican candidate on the November 2026 ballot, with District 48 the only one explicitly redrawn by Proposition 50. Vote results and polling data for these contests are not included in the source extraction.
The players
Jim Desmond
Jim Desmond is a Republican candidate running for California's 48th congressional district in the November 2026 election.
Marni von Wilpert
Marni von Wilpert is a Democratic candidate running for California's 48th congressional district in the November 2026 election.
Mike Levin
Mike Levin is a Democratic incumbent seeking re-election in California's 49th congressional district in the November 2026 election.
Scott Peters
Scott Peters is a Democratic candidate running for California's 50th congressional district in the November 2026 election.
Juan Vargas
Juan Vargas is a Democratic candidate running for California's 52nd congressional district in the November 2026 election.
The details
District 48 pairs Jim Desmond (R) with Marni von Wilpert (D) and covers Vista, San Marcos, Palm Springs, and Temecula across San Diego and Riverside counties. Districts 49 through 52 cover the north county coast, a span from inland north to south coastal San Diego, and central and eastern San Diego, respectively.
Timeline
November 2026: Congressional elections for Districts 48-52 are held.
Political Context
The District 48 contest reflects the boundary changes Proposition 50 introduced, which reshaped the district across San Diego and Riverside counties. Opposition and counter-arguments to Proposition 50 are not addressed in the source extraction.
Residents of the affected districts will choose their representatives in the November 2026 election, with the District 48 boundaries reflecting Proposition 50. The extraction does not describe changes to voter registration, polling place locations, or ballot procedures.
The takeaway
Voters in San Diego and Riverside counties should check their updated district assignments before the November 2026 election, since District 48 was redrawn under Proposition 50.
Further reading
Explore more on Elections coverage across California's congressional contests.
Live Poll
Did you vote in your San Diego-area congressional race?
