The 2018 Connecticut gubernatorial election took place on November 6, 2018, to elect the next governor and lieutenant governor of Connecticut, concurrently with the election of Connecticut's Class I U.S. Senate seat, as well as other elections to the United States Senate in other states, elections to the United States House of Representatives, and various state and local elections. This race's Democratic margin of victory was the closest to the national average of 3.1 points. (It was 0.1 point more Democratic.)