Yankton County Auditor
Friday, September 25, 2026
Absentee voting for the upcoming November 3, 2026 General Election has been suspended until further notice. You can click here to read more information
Yankton County Weed Department
Friday, September 18, 2026
The Yankton County Weed Department would like to remind Yankton County landowners that fall is a good time to take care of leafy spurge .
To learn more information, please click here
Yankton County Register of Deeds
Monday, September 14, 2026
As of September 14, 2026, the state has implemented a new vital records system. Please expect a delay in all services as we learn and navigate this new software.
September 14th – October 16th you will need to make an appointment to apply for a marriage license. Plan for this to take at least 30 minutes.
Notary services will not be available from September 14th – October 2nd.
Yankton County Treasurer
Tuesday, September 1, 2026
Reminder: Yankton County residents that have last name starting with S, have until September 30, 2026 to renew vehicle registration.