🇺🇸 Mandan is a city on the eastern border of Morton County and the eighth-largest city in North Dakota. Founded in 1879 on the west side of the upper Missouri River, it was designated in 1881 as the county seat of Morton County. Across the Missouri River from Bismarck, Mandan is a core city of the Bismarck-Mandan Metropolitan Statistical Area.
Mandan has a population of over 24,206 people. Mandan also forms part of the wider Bismarck-Mandan Metropolitan Area which has a population of over 133,626 people. Mandan is situated near Bismarck.