Gully is a city in Polk County, Minnesota, United States. It is part of the 'Grand Forks-ND-MN Metropolitan Statistical Area'. The population was 66 at the 2010 census.
According to the United States Census Bureau, the city has a total area of 2.0 square miles (5.2 km²), of which, 2.0 square miles (5.2 km²) of it is land and 0.50% is water.
As of the census of 2000, there were 106 people, 52 households, and 26 families residing in the city. The population density was 52.7 people per square mile (20.4/km²). There were 66 housing units at an average density of 32.8 per square mile (12.7/km²). The racial makeup of the city was 99.06% White, and 0.94% from two or more races.