Departments

Yankton County Extension Office

The Extension Office is located next to the 4-H fairgrounds on Whiting Drive.

Extension Office

Hours of Operation:

Monday through Friday
9:00am to 5:00pm

Phone:

(605) 665-3387

Fax:

(605) 665-2669

Address:

901 Whiting Drive
Yankton, SD 57078

Links:

Staff

Katie Doty

4-H Youth Development Coordinator Send an Email

Announcements

Yankton County Treasurer
Monday, July 1, 2024

Reminder: Yankton County residents that have last names starting with M and N have until July 31, 2024 to renew vehicle registration.

Yankton County Highway Department
Tuesday, April 2, 2024

The Yankton County Highway Department will begin their summer hours on Monday, April 02, 2024 and will run until further notice.

Summer hours are Monday through Thursday 6:30am-5:00pm.

Yankton County Weed Department
Tuesday, April 2, 2024

The Yankton County Weed Department would like to remind that Yankton County landowners are required to control noxious weeds on their property. The Weed Department will begin their inspections on May 1, 2024.

Main Phone:
(605) 260-4400

Address:
321 West 3rd Street, Suite 100 Yankton, SD 57078

Office Hours:
9:00am - 5:00pm CST, Monday-Friday
Closed on Holidays, Saturdays, & Sundays

Yankton County YouTube Channel

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