Yankton, South Dakota Yankton, South Dakota Yankton is a city in, and the county seat of, Yankton County, South Dakota, United States. The population was 14,454 at the 2010 census. Yankton is the principal city of the Yankton Micropolitan Statistical Area, which includes the entirety of Yankton County, and which had an estimated population of 22,662 as of July 1, 2017. Yankton was the first capital of Dakota Territory. It is named for the Yankton tribe of Nakota (Sioux) Native Americans; Yankton is derived from the Nakota word "I-hank-ton-wan" ("the end village"). Yankton is located on the Missouri River just downstream of the
Wanchese (Native American leader) Wanchese (Native American leader) Wanchese was the last known ruler of the Roanoke Native American tribe encountered by English colonists in the late sixteenth century. Along with Chief Manteo he travelled to London in 1584, where the two men created a sensation at court. Hosted at Durham House by the explorer and courtier Sir Walter Raleigh, he and Manteo assisted the scientist Thomas Harriot with the job of deciphering and learning the Carolina Algonquian language. Unlike Manteo, Wanchese evinced little interest in learning English, and did not befriend his hosts, remaining suspicious of English motives in the New World. In