Departments

Yankton County Sheriff's Office

The Sheriff's Office is located on the first floor of the Yankton County Courthouse and Safety Center building at 410 Walnut Street. Use the entrance on the south side of the building.

Phone:

(605) 668-3567

Fax:

(605) 260-2780

Address:

410 Walnut Street
Yankton, SD 57078

You can visit the Yankton County Sheriff's website for more information.

Preston Crissey

Yankton County Sheriff

Announcements

Yankton County Treasurer

Friday, May 1, 2026

Reminder: Yankton County residents that have last names starting with H, I and O have until May 31, 2026 to renew vehicle registration.

Yankton County Weed Department

Wednesday, April 29, 2026

The Yankton County Weed Department would like to remind residents, that SD Law requires that all landowners control noxious weeds on their property.

To read more information, you can click here

Yankton County Highway Department

Wednesday, April 1, 2026

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, 2026.

To learn more information, please click here

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