Incumbent Republican Lauren Boebert faces Democrat Eileen Laubacher in Colorado’s 4th congressional district, where a single recent poll showed Boebert ahead by five points amid a Libertarian candidate drawing notable support. The district’s Republican lean from prior cycles and the broader 2026 House battleground environment contribute to the tight trader consensus around either candidate prevailing and narrow victory margins. Limited polling data, combined with factors such as turnout patterns in Front Range and Eastern Plains counties, sustains the even odds on the winner and the clustering of probabilities in sub-6 percent buckets. Developments including additional surveys, candidate debates, or shifts in national generic ballot trends before the November 3 election could widen separation in the margin outcomes.