Minot ( ) is a city located in north central North Dakota, United States. It is most widely known for the Air Force base located approximately north of the city. With a population of 40,888 at the 2010 census, Minot is the fourth largest city in the state. In 2012, the Minot Area Development Corporation estimated that there were between 46,000 and 47,000 permanent residents within city limits. The city is the county seat of Ward County and is a trading center for a large portion of northern North Dakota, southwestern Manitoba, and southeastern Saskatchewan. Founded in 1886 during the construction of the Great Northern Railway, Minot is also known as "Magic City", commemorating its remarkable growth in size over a short time.