Meanings
proper noun
- One of 66 counties in South Dakota, United States. County seat: Yankton.
Origin
Named after the Yankton Sioux people.
Full word history & related roots →Cite this entry
APA
Yankton County. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Yankton%20County
MLA
“Yankton County.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Yankton%20County. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Yankton County,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Yankton%20County.
Source: Yankton County on Wiktionary, CC BY-SA 4.0.