Coleharbor is a city in McLean County, North Dakota, United States.

[5] The name combines that of a Soo Railroad official (W. A. Cole) and a reference to an older site on the Missouri River a few miles to the southwest (Coal Harbor).

[6] In July 2006, three storms converged above the town, unleashing a derecho that resulted in significant damage around town, even blowing down part of the former school building (made of brick), while leaving the nearby grain elevator intact.

[7] According to the United States Census Bureau, the city has a total area of 0.19 square miles (0.49 km2), all land.

32.4% of all households were made up of individuals, and 8.1% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 98.11% White, 0.94% Native American, and 0.94% from two or more races.

There were 6.9% of families and 12.1% of the population living below the poverty line, including 15.4% of under eighteens and none of those over 64.