Belfield is a city in Stark County, North Dakota in the United States. The population was 800 at the 2010 census. Belfield was founded in 1883. It is part of the Dickinson Micropolitan Statistical Area.
Belfield is located at 46°53′10″N 103°11′55″W / 46.88611°N 103.19861°W / 46.88611; -103.19861 (46.885981, -103.198622).
According to the United States Census Bureau, the city has a total area of 1.1 square miles (2.8 km²), of which, 1.1 square miles (2.8 km²) of it is land and 0.92% is water.