TRIBES · POPLAR, MONTANAPOPLAR, MT
Fort Peck Assiniboine and Sioux Tribes
Every Fort Peck Assiniboine and Sioux Tribes program in Okla’s catalog, in one place. 19 serve the Fort Peck Reservation (4 Counties, Northeast Montana). 1 is open to citizens of other tribes too.
21 programs across 10 categories.
Medical
5 PROGRAMSHousing
3 PROGRAMSFinancial Assistance
3 PROGRAMSEmployment
3 PROGRAMSEducation
2 PROGRAMSFood
1 PROGRAMLegal
1 PROGRAMMental Health
1 PROGRAMElder Care
1 PROGRAMDental
1 PROGRAM02 / ABOUT THE TRIBE
About the Fort Peck Assiniboine and Sioux Tribes
- Federal recognition
- Federally recognized as “Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana” in the Bureau of Indian Affairs list (91 FR 4102, January 2026).
- Headquarters
- Poplar, Montana
- Service area
- Fort Peck Reservation (4 Counties, Northeast Montana): Roosevelt, Valley, Daniels and Sheridan counties, Montana.
- Citizens
- An estimated 10,000 (as of 2019), per the Fort Peck Assiniboine and Sioux Tribes.
- Official website
- fortpecktribes.org ↗
03 / COMMON QUESTIONS
Common questions
Do I have to be a Fort Peck Assiniboine and Sioux Tribes citizen to use these programs?
Not always. Of the 21 programs Okla lists, 6 are for Fort Peck Assiniboine and Sioux Tribes citizens only; 1 is open to anyone with a CDIB card; 3 are open to anyone eligible for Indian Health Service care; and 2 are open to people of Native American descent. For 9 others, check with the program. Each program page spells out who qualifies.
Do I have to live on the reservation or in the Fort Peck Assiniboine and Sioux Tribes service area?
19 programs are limited to the Fort Peck Reservation (4 Counties, Northeast Montana) (Roosevelt, Valley, Daniels and Sheridan counties, Montana). 2 programs are available to eligible people anywhere in the United States. The rest have their own service areas, listed on each program page. Use “Find my programs” at the top of this page to check against where you live.
How do I become a Fort Peck Assiniboine and Sioux Tribes citizen?
Citizenship (enrollment) is decided by the Fort Peck Assiniboine and Sioux Tribes, not by Okla. The tribe’s enrollment page explains the requirements and how to apply. Main line: 406-768-2300.
How do I apply for Fort Peck Assiniboine and Sioux Tribes programs?
Each program has its own application. Open a program above to see who qualifies, how to apply and the official link. Okla is an independent directory, not part of the Fort Peck Assiniboine and Sioux Tribes or any government agency, so always confirm details with the program before you apply.