Sean McCann secured victory in Michigan’s 4th Congressional District on November 3, 2026, defeating eight-term incumbent Bill Huizenga by roughly 1.8 percentage points according to unofficial tallies and Associated Press reporting. McCann’s margin stemmed from strong Democratic performance in Kalamazoo County and gains across parts of Berrien and Calhoun counties, building on prior regional shifts that moved the once-Republican-leaning seat into toss-up territory. Broader midterm dynamics favoring Democratic House gains further supported the outcome. With results largely finalized and McCann declaring victory, trader consensus assigns near-certainty to his win. A recount or successful legal challenge remains theoretically possible given the narrow margin, though such developments appear highly improbable at this stage.