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Midwestern United States

Census region of the United States

  • 65 min read
  • 8 chapters
Gateway Arch - St. Louis, Missouri
Doug Kerr · CC BY-SA 2.0

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The United States Census Bureau's definition consists of 12 states in the north central United States: Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, and Wisconsin. The 2020 United States census put the population of the Midwest at 68,995,685. The region generally lies on the broad Interior Plain between the states occupying the Appalachian Mountain range and the states occupying the Rocky Mountain range. Major rivers in the region include, from east to west, the Ohio River, the upper Mississippi River, and the Missouri River. The Midwest is further divided by the U.S. Census Bureau into the East North Central states and the West North Central states.

Chicago is the most populous city in the American Midwest and the third-most populous in the United States. Other large Midwestern cities include Columbus, Indianapolis, Detroit, Milwaukee, Kansas City, Omaha, Minneapolis, Cleveland, Cincinnati, St. Paul, and St. Louis. The Chicago metropolitan area has an estimated 9.4 million residents and is the region's largest metropolitan area, as well as the fourth-largest metropolitan area in North America. Other prominent metropolitan areas in the Midwest include Metro Detroit, Minneapolis–St. Paul, Greater St. Louis, the Cincinnati metro area, the Kansas City metro area, the Columbus metro area, the Indianapolis metro area, Greater Cleveland, and the Milwaukee metropolitan area.

The region's economy is a mix of heavy industry and agriculture, with extensive areas forming part of the United States' Corn Belt. Finance and services such as medicine and education are becoming increasingly important. Its central location makes it a transportation crossroads for river boats, railroads, autos, trucks, and airplanes. Politically, the region includes multiple swing states, and therefore is heavily contested and often decisive in elections.

The West

The term West was applied to the region in British America and in the early years of the United States, when the British colonial territories had not extended far from the Atlantic coast and the Pacific seaboard was generally unknown. By the early 19th century, anything west of the Appalachians was considered the American frontier. Over time, the American frontier moved to west of the Mississippi River. During the colonial period, the French settled the upper Mississippi watershed, which included the valleys of the Missouri River and the Illinois River, and called it the Illinois Country. In 1787, the Northwest Ordinance was enacted, creating the Northwest Territory, which was bounded by the Great Lakes and the Ohio and Mississippi Rivers. Some entities in the Midwest have "Northwest" in their names for historical reasons, such as Northwestern University in Illinois.

One of the earliest late 19th-century uses of Midwest was in reference to Kansas and Nebraska to indicate that they were the civilized areas of the West. Another term applied to the same region is Heartland.

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