Meetings

Commission Meeting Agenda Policy and Form

Please complete the form and return to the Auditor's Office. Agenda item requests may be submitted in writing or electronically but all required information must be attached with the request. Submission Deadline: 3:00pm on the Wednesday before scheduled meeting.

Policy
Form

Announcements

Yankton County Highway Department

Wednesday, September 2, 2026

Yankton County is in the process of updating our Five-Year Highway and Bridge Improvement Plan. A public meeting will be held to discuss and answer questions about the proposed updated plan. The meeting will be held on Thursday, September 17, 2026, at 6:00 p.m. at the Government Center in the Commissioner Meeting Room. Click here to read notice

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.

Yankton County

Friday, August 28, 2026

The Yankton County Government Center and all other non-emergency offices in the county will be closed on Monday, September 7th, 2026 in observance of Labor Day.

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