Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana

A · Identity

Official name (Federal Register)

Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana 91 FR 4102 (Jan. 30, 2026)

State(s)

Montana

BIA region

Rocky Mountain

BIA agency office

Fort Peck Agency

Headquarters

501 Medicine Bear Road, Poplar, Montana 59255

Website

fortpecktribes.org

B · Governance

Election cycle

Next election: 2027-10-23 (per BIA TLD)

Current leadership

Floyd Azure — Chairman

C · Charter & Corporate Entities

No chartered entities on record yet.

D · Economic Development Profile

No economic profile data on record yet.

E · History & Context

No narrative on record yet.

F · Validated Sourcing

✓Federal Register2026-07-18 ✓BIA Tribal Leaders Directory2026-07-21

Record last verified 2026-07-18. Nothing enters this record without a source.