Fargo is the most populous city in the State of North Dakota, accounting for over 15% of the state population. Fargo is also the county seat of Cass County. According to the 2015 United States Census estimates, its population was 118,523. Fargo, along with its twin city of Moorhead, Minnesota, as well as adjacent West Fargo, North Dakota and Dilworth, Minnesota, form the core of the Fargo-Moorhead, ND-MN Metropolitan Statistical Area, which in 2015 contained a population of 233,836. In 2014, Forbes magazine ranked Fargo as the fourth fastest-growing small city in the United States.
Founded in 1871 and located on the Red River of the North floodplain, Fargo is a cultural, retail, health care, educational, and industrial center for Eastern North Dakota and Northwestern Minnesota. In addition, Fargo is home to North Dakota State University.