CA-48 House raceAwaiting a verified result
The Baseline has not added a verified result for this race. The election office may have newer totals. Closing times vary by state and locality. Official source: California election office ↗.
2026 · U.S. House · CA-48
Marni von Wilpert
Jim DesmondResults Pre-election polling average
CA-48 House race
California
Matchup in the latest qualifying poll
Marni von WilpertJim DesmondPhotograph credits
Marni von Wilpert, photo by City of San Diego, via Wikimedia Commons.; Jim Desmond, photo by County of San Diego, via Wikimedia Commons.
Wilpert +8.5 across 2 nonpartisan polls of this matchup
Latest poll per pollster from the last 180 days, equal weight, current top-two matchup only. Polls that tested other pairings, such as pre-primary hypotheticals, are left out of the table below as well. Not a forecast — state polls are sparse and carry wider error than national averages.
Every poll counted
Recent nonpartisan polls
| Pollster | Field date | Sample | Result |
|---|---|---|---|
| University of Southern California Democracy and Fair Elections Lab ↗ | Oct 28, 2026 | 474 likely voters | Marni von Wilpert 52% · Jim Desmond 44% |
| SurveyUSA ↗ | Oct 7, 2026 | 518 likely voters | Marni von Wilpert 47% · Jim Desmond 38% |
Polling data via VoteHub Polling API, licensed CC BY 4.0. The Baseline computes the displayed average; VoteHub does not endorse it. Partisan and campaign-internal polls are excluded.