James Martin vs. Brian Mast polls and 2026 forecast (Florida's 21st District)
Our forecast gives Brian Mast (R) a 98% chance of winning (rating: Safe R), as of October 16, 2026. Expected margin: Mast +13.4; in 80% of simulations the margin falls between Mast +20.8 and Mast +6.0. Incumbent: Brian Mast (R). 2024 presidential result here: R+16.4.
House forecast · How the forecast works