Marni von Wilpert vs. Jim Desmond polls and 2026 forecast (California's 48th District)
Our forecast gives Marni von Wilpert (D) a 95% chance of winning (rating: Likely D), as of October 16, 2026. Expected margin: Wilpert +8.8; in 80% of simulations the margin falls between Wilpert +2.0 and Wilpert +15.4. Polling average: Wilpert +3.0 across 1 poll. Incumbent: Darrell Issa. 2024 presidential result here: D+3.5.
House forecast · How the forecast works