Bismarck, North Dakota Bismarck Blaze and the Bismarck Roughriders, but both teams left the city soon after they were formed. Bismarck once had a professional baseball team, the Dakota Rattlers, but the team moved to Minot after several seasons in Bismarck. Bismarck, North Dakota Bismarck () is the capital of the U.S. state of North Dakota and the county seat of Burleigh County. It is the second-most populous city in North Dakota after Fargo. The city's population was estimated in 2017 at 72,865, while its metropolitan population was 132,142. In 2017, "Forbes" magazine ranked Bismarck as the seventh fastest-growing small city in the
U.S. Route 12 in North Dakota run concurrently for a short distance through the city. U.S. Route 12 in North Dakota U.S. Route 12 (US 12) is a part of the U.S. Highway System that travels from Aberdeen, Washington, to Detroit, Michigan. In the state of North Dakota, US 12 extends from the Montana border east to the South Dakota border. Throughout the state, US 12 is a two-lane undivided highway that runs through Adams, Bowman and Slope counties in southwest North Dakota. The speed limit is on rural segments, with slower posted speeds within the cities of Marmarth, Rhame, Bowman, Scranton and Hettinger. US 12