2026 results · California · California 48th District

Marni von Wilpert, the Democrat, flips California's 48th District

Kamala Harris carried the district by 3.4 points in 2024; this year's count is a 15.3-point move toward the Democrats. The Republicans held the seat before the election. California redrew this district for 2026, and on its new lines Kamala Harris carried it by 3.4 points in 2024: part of this gain comes from the map, not only from the vote.

California 48th District: votes counted for each candidate
Candidate	Votes	Share	Share of the vote
Marni von WilpertDemocrat	111,923	59.4%
Jim DesmondRepublican	76,544	40.6%

Called by Call the Map, Nov 4, 4:49 PM EST · 83% counted.

About 83% of the expected vote counted188,467 votesCount last changed Nov 7, 12:48 PM EST · checked Nov 7, 4:59 PM ESTSource: the official state and county counts, gathered by civicAPI

The map

Loading the map.

About the seat

California's 48th District takes in all or part of 2 counties. The Republicans held it before this election. Its voters went D+3.4 for president in 2024. Its move from that vote, 15.3 points toward the Democrats, ranks 20 of 42 among the state's districts, counting from the largest move toward the Democrats.

2024 president: D+3.4
2024 House vote on these lines: D+2.7
Move from 2024, rank in state: 20 of 42

San Diego County54%
Riverside County46%

Shares are of the votes counted this year. The district was redrawn for 2026: its 2024 House figure is that year's House vote re-added onto the new lines precinct by precinct, an estimate.

What the count shows

Added together, the 2 counties compared moved 15.3 points toward the Democrats from the 2024 presidential vote.

The counties compared cast 58% as many votes as in 2024, from 64% in San Diego County to 52% in Riverside County.

1 county Donald Trump carried in 2024 is led by Wilpert this year

Striped on the map above. Largest first.

Riverside CountyR+1.1D+18.2

California’s ballot

All of California’s results The state legislature Ballot measures

The seats that changed party

StatewideDemocrats won 6 of California's 12 statewide races and lead 5 more.

won leads, still counting changed party. Margins are the leader’s share minus the runner-up’s, in points.

Every count on this page is the official count, from the state and its counties. Counts are unofficial until the state certifies them. The 2024 comparison is the presidential vote, Kamala Harris against Donald Trump, on the same ground. Margins are the Democrat minus the Republican, in points of all votes. Photos: Marni von Wilpert, by City of San Diego, public domain, via Wikimedia Commons, cropped, background removed; Jim Desmond, by County of San Diego, public domain, via Wikimedia Commons, cropped, background removed.