Fargo is the most populous city in the state of North Dakota, accounting for nearly 16% of the state population. Fargo is also the county seat of Cass County. According to the 2016 United States Census estimates, its population was 120,762, making it the 229th-most populous city in the United States. Fargo, along with its twin city of Moorhead, Minnesota, as well as the adjacent cities of West Fargo, North Dakota and Dilworth, Minnesota, form the core of the Fargo-Moorhead, ND-MN Metropolitan Statistical Area, which in 2016 contained a population of 238,124. In 2014, Forbes magazine ranked Fargo as the fourth fastest-growing small city in the United States.Founded in 1871 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. The city is also home to North Dakota State University.