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 identity in the United States However, many people who do not satisfy tribal requirements identify themselves as Native American - whether due to biology, culture, or some other reason. The United States census allows citizens to check any ethnicity without requirements of validation. Thus, the census allows individuals to self-identify as Indian, merely by checking the racial category, "Native American/Alaska Native". In 1990, about 60 percent of the more than 1.8 million persons identifying themselves in the census as American Indian were actually enrolled in a federally recognized tribe. Using self identification allows both uniformity and includes many different ideas of "Indianness". It also avoids