Lauren Underwood vs. James Marter polls and 2026 forecast (Illinois's 14th District)
Our forecast gives Lauren Underwood (D) a >99% chance of winning (rating: Safe D), as of October 16, 2026. Expected margin: Underwood +18.6; in 80% of simulations the margin falls between Underwood +11.3 and Underwood +26.0. Incumbent: Lauren Underwood (D). 2024 presidential result here: D+5.3.
House forecast · How the forecast works