BIA Office Yankton Agency | Bureau of Indian Affairs - United States Department of the Interior
29775 S. Main Street, Wagner, SD 57380
Eligibility
Open to all
Hours
BIA office: 8:00am - 4:30pm (CT), Monday - Friday
Law enforcement: 24 hours a day / 7 days a week
605-487-7625
Voice·
911 Dispatch Center Charles Mix County 911
Application process
Call for information
Service area
Charles Mix County, SD
The Yankton Sioux Tribe is located in the lower eastern part of Charles Mix County. The Tribe has approximately 11,594 members and approximately 4,600 member reside within the boundaries. Law enforcement covering Yankton Sioux Tribe.
Last Assured
12/05/2025
Providing organization
Bureau of Indian Affairs - United States Department of the Interior
Implements federal laws and policies and administers programs established for American Indians and Alaska Natives under the trust responsibility and the government-to-government relationship.