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Cheyenne River Sioux Tribe

Reservation: Cheyenne River Reservation; Dewey and Ziebach Counties
Division: Teton
Bands: Minnecoujou, Two Kettle (Oohenunpa), Sans Arc (Itazipco) and Blackfoot (Si Sapa)
Land Area: 1.4 million acres
Tribal Headquarters: Eagle Butte, SD
Time Zone: Mountain
Traditional Language: Lakota
Enrolled members living on reservation: 8,000
Major Employers: Cheyenne River Sioux Tribe
Cheyenne River Sioux Tribe's 2010 Statistical Profile (pdf)


Charter: None; Constitution and Bylaws: Yes - IRA
Date Approved: December 17, 1935
Name of Governing Body: Cheyenne River Sioux Tribal Council
Number of Council members: (15) fifteen council members
Dates of Constitutional amendments: February 11, 1966, June 18, 1980, July 17, 1992
Number of Executive Officers: (4) Chairman, Vice-Chairman, Secretary, and Treasurer


Executive Committee Positions with the exception of Vice-Chair are elected at-large for 4 year terms. The Vice-Chair is appointed from the Council to serve a 2 year term. Council Representatives represent six districts, with the number of representatives determined by population. Council

representatives serve 4 year terms and elections are staggered every 2 years.

Primary Elections take place during August, and General Elections follow in September.

Number of Election districts or communities: 13

Current Tribal Leaders (pdf)


Meetings held: The first Tuesday of each month

Quorum number: 2/3 of the members

Education and Media

Tribal College: Oglala Lakota College Cheyenne River College Center, Eagle Butte, SD

Radio: KIPI 93.5 FM, Eagle Butte, SD
KLNM 89.5 FM, McLaughlin, SD

Newspapers: Eagle Butte News, Eagle Butte, SD; West River Progress, Dupree, SD

Notable Tribal Members

Big Foot, a Minnecoujou chief, remained true to the "old ways" throughout his life. He was regarded as a wise leader, who respected the individual rights of his people. Big Foot, who had settled on the Cheyenne River Reservation, was killed during the 1890 Wounded Knee massacre. He died under the white flag of truce.

Arvol Looking Horse is a 19th generation keeper of the Sacred Pipe of the Great Sioux Nation. In this position, he cares for the Sacred Pipe, presented by the White Buffalo Calf Woman many years ago. Looking Horse leads the annual "Sacred Pipestone Run," the purpose of which is to stop the sale of sacred pipestone. He holds an honorary doctoral degree from the University of South Dakota.

Current Chairman: Harold Frazier

Tribal Contact Information

Cheyenne River Constitution (PDF)

Visit the Cheyenne River Sioux Tribe Web site

PO Box 590
Eagle Butte, SD 57625-0590
Phone (605) 964-4155
Fax (605) 964-4151