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
Native American mascot laws and regulations and Oakridge High School. At Lebanon, only Native images deemed to be artwork not associated with the team will remain. However, the state has issued a notice of non-compliance to North Douglas High School, although the school superintendent has stated that all Native American references have been removed. In January 2016 the South Dakota High School Activities Association passed a resolution asking all schools in the state to drop Native American nicknames and mascots. A bill was introduced in the South Dakota Legislature "to prohibit school districts from using school or athletic team names, mascots, or nicknames that are determined