County Departments • Ambulance Service
• Auditor, Treasurer and Equalization Offices
• Coroner
• Highway Superintendent
• Jail
• Register of Deeds
• SDSU Extension Office
• Sheriff Department
• State's Attorney
County Offices The Yankton County Commission oversees both appointed and elected county departments. The Yankton County Commission meets on the 1st and 3rd Tuesdays of each month. Meetings are held at 5 p.m. (time varies) at the Yankton County Government Center.