Zoe Lofgren vs. Shane Lewis polls and 2026 forecast (California's 18th District)
Our forecast gives Zoe Lofgren (D) a >99% chance of winning (rating: Safe D), as of October 16, 2026. Expected margin: Lofgren +37.4; in 80% of simulations the margin falls between Lofgren +30.0 and Lofgren +44.7. Incumbent: Zoe Lofgren (D). 2024 presidential result here: D+29.4.
House forecast · How the forecast works