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

Staff

Katie Doty

4-H Youth Development Coordinator Send an Email

Announcements

Yankton County Register of Deeds

Monday, April 14, 2025

The only third-party company South Dakota authorizes to order vital records (birth certificates, death certificates, marriage certificates) is at VitalChek with an option to order online using a credit card.
Fees for S.D. vital records are $15.00 per copy (ordered from the County Register of Deeds office) and $26.50 (ordered through Vital Chek) or $44.00 (ordered through Vital Chek with overnight shipping).

Yankton County Treasurer

Tuesday, April 1, 2025

A reminder to all residents that the first half of property taxes is due by April 30th. There are several convenient ways to pay. You can pay in person, by mail, by our secure drop box or you can pay on-line. For more information please see the Treasurer's page under the Departments tab or call our office.

Yankton County Highway Department

Tuesday, April 1, 2025

The Yankton County Highway Department will begin their summer hours on Monday, April 07, 2025 and will run until further notice.

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

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