New Town is a city in Mountrail County, North Dakota. The population was 2,764 at the time of the 2020 census, making it the 18th largest city in North Dakota. New Town was platted in 1950 as a replacement site for the residents of Sanish and Van Hook, as these towns were scheduled to be flooded by the creation of Lake Sakakawea, a reservoir to provide water for irrigation. It is the largest city and the administrative center of the Fort Berthold Reservation.