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

Wednesday, November 12, 2025

The Yankton County Government Center and all other Yankton County Non-Emergency offices will be closed on Thursday, November 27, 2025 and Friday, November 28, 2025 to enjoy Thanksgiving and to spend time with our families.

Happy Thanksgiving!

Yankton County Treasurer

Saturday, November 1, 2025

Reminder: Yankton County residents that have last name starting with T, U, V, W, X Y and Z, have until November 30, 2025 to renew vehicle registration.

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