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 disease and epidemics at a rate 20 percent greater than all other United States races. Additionally, the demographic of Native Americans who die from heart disease is younger than other United States races, with 36% dying of heart disease before age 65. The highest heart disease death rates are located primarily in South Dakota and North Dakota, Wisconsin, and Michigan. Heart disease in Native Americans is not only due to diabetic complications; the increased risk is also due to higher rates of hypertension. Native American populations have been documented as being more likely to have high blood pressure than other groups, such as