Moorhead is a city in Clay County, Minnesota, United States, and the largest city in northwest Minnesota. The population was 38,065 at the 2010 Census. It is the county seat of Clay County.Moorhead was platted in 1871 and a permanent name was assigned to the town on October 6, 1871. Moorhead is bordered on the west by the Red River of the North and city of Fargo, North Dakota. On the east, Moorhead is bordered by Dilworth, Minnesota. Together along with West Fargo, North Dakota, the communities comprise the core of the Fargo-Moorhead metropolitan area, which has an 2010 population of around 208,777 residents.