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

Yankton County Highway Announcement:

Bridge Closure – Yankton County Highway Department has announced the closure of the Stone Church Bridge on 431st Avenue over the James River. Construction will begin on January 20th at 7:00 AM. The bridge will be closed until sometime in 2027 as this is a total bridge replacement over the James River. Make sure to use the designated detour routes to get around this construction site. More information will become available as time goes on. You can go to the Yankton County Website, Yankton OEM Website or the Yankton OEM Facebook page

Yankton County Road & Bridge Levy Resolution

• To view the resolution that was approved on the Tuesday, June 30th, 2026 Commission Meeting you can click here

Yankton County Data Center Moratorium

• To view the moratorium that was approved on the Tuesday, July 21st, 2026 Commission Meeting you can click here