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
War Eagle (Dakota Leader) War Eagle (Dakota Leader) War Eagle (Dakota: Waŋbdí Okíčhize) was born in Minnesota or Wisconsin around 1785. He had left his own tribe, the Santee, to avoid bloodshed in a fight as to who would be chief. As a young man, War Eagle spent considerable time working among the white Americans. During the War of 1812, he carried messages for the United States government, and worked among the native peoples to promote the cause of the United States against the British. He worked as a riverboat guide on the upper Mississippi and also served as a messenger for the American