WELCOME

Yankton County

The Yankton County Commission has crafted the following statements to express both its aspirations for the future and intentions in serving the public.

Vision Statement

Yankton County will be a dynamic place, with a strong sense of history, community pride, environmental responsibility, economic prosperity and rural culture.

Mission Statement

The mission of Yankton County is to provide citizens with high quality public services that create a foundation of trust, unity, safety, and collaboration.
In accomplishing this mission, the Yankton County Commission will encourage its employees and all elected officials to exhibit these values:

  • Accountability, dependability, and professionalism in the performance of their duties.
  • Honesty, integrity, and transparency in all proceedings.
  • Inclusiveness, accessibility, and equality in working with the public.
  • Efficiency, sustainability, and innovation in the design and implementation of programs and services.

Adhering to the values will help Yankton County:

  • Stay focused on its goals;
  • Operate in and open and welcoming manner;
  • Remain positive in challenging situations; and
  • Lead by example.

An Overview of South Dakota County Government

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Announcements

Yankton County
Friday, April 4, 2025

The Yankton County Government Center and all other Yankton County non-emergency offices will be closed on Friday, April 18th, 2025 and Monday, April 21st, 2025 to spend the Easter holiday with our loved ones.

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.

Upcoming Meetings

Yankton County Board of Equalization Meeting

Date: April 22, 2025
Time: 10:20 AM
Place: Yankton County Commission Chamber

Yankton Consolidated Board of Equalization Meeting

Date: April 22, 2025
Time: 9:30 AM
Place: Yankton County Commission Chamber

Yankton County Commission

Date: April 15, 2025
Time: 6:00 PM
Place: Yankton County Commission Chamber

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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