Mississippi ( MISS-iss-IP-ee) is a state in the Southeastern and Deep South regions of the United States. It borders Tennessee to the north, Alabama to the east, the Gulf of Mexico to the south, Louisiana to the southwest, and Arkansas to the northwest. Mississippi's western boundary is largely defined by the Mississippi River, or its historical course. Mississippi is the 32nd largest by area and 35th-most populous of the 50 U.S. states and has the lowest per-capita income. Jackson is both the state's capital and largest city. Greater Jackson is the state's most populous metropolitan area, with a population of 591,978 in 2020. Other major cities include Gulfport, Southaven, Hattiesburg, Biloxi, Olive Branch, Tupelo, Meridian, and Greenville.
The state's history traces back to around 9500 BC with the arrival of Paleo-Indians, evolving through periods marked by the development of agricultural societies, rise of the Mound Builders, and flourishing of the Mississippian culture. European exploration began with the Spanish in the 16th century, followed by French colonization in the 17th century. Mississippi's strategic location along the Mississippi River made it a site of significant economic and strategic importance, especially during the era of cotton plantation agriculture, which led to its wealth pre-Civil War, but entrenched slavery and racial segregation. On December 10, 1817, Mississippi became the 20th state admitted to the Union. By 1860, Mississippi was the nation's top cotton-producing state and slaves accounted for 55% of the state population. Mississippi declared its secession from the Union on January 9, 1861, and was one of the seven original Confederate States, which constituted the largest slaveholding states in the nation. Following the Civil War, it was restored to the Union on February 23, 1870. Mississippi's political and social landscape was dramatically shaped by the Civil War, Reconstruction era, and civil rights movement, with the state playing a pivotal role in the struggle for civil rights. From the Reconstruction era to the 1960s, Mississippi was dominated by socially conservative and segregationist Southern Democrats dedicated to upholding white supremacy.
