Dixville Notch is an unincorporated community in Dixville township, Coos County, New Hampshire, United States. The population of the township, all of whom live in Dixville Notch, was 4 as of the 2020 census. The village is known for being the first place to declare its results during the New Hampshire presidential primary. It is located in the northern part of the state, approximately 20 miles (32 km) south of the border with the Canadian province of Quebec. The village is situated at about 1,800 feet (550 m) above sea level at the base of mountains.