Aggregate of all polls released for California's 48th congressional district House election between Democrat Marni von Wilpert and Republican Jim Desmond. This page will update the moment new polls are released, including the polling average, projected margin, and survey details.
2026 California 48th district House Polling Average
Jim Desmond leads Marni von Wilpert by 1.0% in the Pollsmax polling average for the 2026 California 48th district House election, 43.8% to 42.8%. The average currently aggregates results from 1 poll. According to the latest California 48th district House poll, conducted by SurveyUSA (D) on September 1, Wilpert leads Desmond 45% to 42%.
Democrat
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Weighted polling average
Republican
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Weighted polling average
Net margin
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Polling average difference
Polls Included
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Number of polls conducted
Pollsmax creates a time-weighted and partisanship-adjusted polling average from an aggregate of all polls conducted for the general election. See the polling methodology to learn more about how polls are standardized and weighted.