Table D
List of Indian Tribes not under
the Indian Reorganization Act
which operate under Constitutions
| Agency and Reservation | Official Name of Organization | Constitution Adopted | Population |
| Colville: Colville |
The Confederated Tribes of the Colville Reservation, Washington | Feb. 26, 1938 | 3,505 |
| Hoopa
Valley: Hoopa |
The Hoopa Tribe of the Hoopa Reservation, Montana | Nov. 20, 1933 | 636 |
| Fort
Peck: Fort Peck |
The
Fort Peck Indians of the Fort Peck Indian Reservation, Montana |
Indefinite | 3,116 |
| Fort
Totten: Fort Totten |
The Devils Lake Sioux Tribe, North Dakota | April 14, 1944 | 1,142 |
| Grand
Ronde-Siletz Siletz |
The Siletz Business Council, Oregon | June 30, 1933 | 516 |
|
Klamath: Klamath |
The
Klamaths, Modoc, and Yahooskin Band of Snake Indians, Klamath Reservation, Oregon |
Dec.
23, 1929 Amended Mar. 30, 1936 |
1,547 |
|
Mission: Palm Springs |
The Agua Caliente Band of Mission Indians, California | June 2, 1939 | 58 |
|
Navajo: Navajo |
The
Navajo Tribe of Indians of the Navajo Reservation, Arizona, and New Mexico |
July
26, 1938 Amended |
55,458 |
| New
York: Seneca |
The
Seneca Nation of Indians of the Allegheny Reservation, New York |
1848,
Revised Oct. 22, 1868 Jan.23, 1893 Nov. 15, 1898 |
2,879 |
|
Sisseton: Sisseton- Wahpeton |
The Sisseton-Wahpeton Sioux Tribe, South Dakota | Oct. 16, 1946 | 3,177 |
| Tahola: Chehalis |
The
Confederated Tribes of the Chehalis Reservation, Washington |
Aug. 22, 1939 | 27 |
| Turtle
Mountain: Turtle Mountain |
The
Turtle Mountain Band of Chippewa Indians, North Dakota |
Oct 8, 1932 | 7,439 |
| Wind
River: Wind River |
The
Shoshone and Arapahoe Indians of the Wind River Reservation, Wyoming |
1930 | 2697 |
| TOTAL | 82,197 |