Yankton County, South Dakota Basics:
Yankton County South Dakota - Government Site
Population: 22,603
Area: 521 square miles
County seat: Yankton
Area code(s) in use: 605
Time zone: CST
High school graduate or higher: 90.3%
Bachelor's degree or higher: 26.0%
Median household income: $53,589
Persons in poverty: 10.9%
Home ownership rate: 72.6%
Mean travel time to work: 15.2 minutes
Adjacent counties:
Bon Homme Cedar (NE) Clay Hutchinson Knox (NE) Turner