Region
US Plains and Midwest
36 nations of US Plains and Midwest, each with its own name first and checked facts with sources.
36 nations
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Apsáalooke Nation
Also known as Crow Tribe
Lands Crow Indian Reservation, south-central Montana, United States; headquarters at Crow Agency
The Apsáalooke Nation's government has three branches: executive, legislative and judicial.
Source: Crow Tribe Executive Branch (opens in a new tab) Checked
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Blackfeet Nation
Also known as Niitsitapi
Lands Blackfeet Reservation, northwestern Montana, bordering Canada and Glacier National Park, United States
The Blackfeet Nation describes itself as a nation of 17,321 members.
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Cheyenne and Arapaho Tribes
Also known as Tsistsistas
Lands Western Oklahoma, United States; headquarters in Concho
The Cheyenne and Arapaho Language Program offers classes in tribal communities and online for tribal members.
Source: Cheyenne and Arapaho Tribes (opens in a new tab) Checked
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Cheyenne River Sioux Tribe
Also known as Minneconjou
Lands Cheyenne River Reservation, central South Dakota, United States; headquarters in Eagle Butte
The tribe is governed by a Chairman, Vice-Chairman, Secretary, Treasurer and fifteen council members, with headquarters in Eagle Butte.
Source: U.S. Department of the Interior, Bureau of Indian Affairs (opens in a new tab) Checked
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Citizen Potawatomi Nation
Also known as Bodéwadmi
Lands Headquartered in Shawnee, Oklahoma, United States, with citizens around the world
In July 2026 the Citizen Potawatomi Nation signed the articles of confederation for the Potawatomi Confederacy.
Source: Citizen Potawatomi Nation (opens in a new tab) Checked
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Comanche Nation
Also known as Nʉmʉnʉʉ
Lands Southwest Oklahoma, United States; headquarters north of Lawton
The Comanche Nation's main governing body is its Tribal Council, made up of every enrolled member over age 18.
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Forest County Potawatomi
Also known as Bodwéwadmi
Lands Forest County, northern Wisconsin, United States
The Forest County Potawatomi Cultural Center, Library and Museum provides an important link to the community's past.
Source: Forest County Potawatomi Community (opens in a new tab) Checked
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Fort Peck Assiniboine and Sioux Tribes
Also known as Fort Peck Tribes
Lands Fort Peck Reservation, northeastern Montana, United States; headquarters in Poplar
Members of the Fort Peck Tribal Executive Board, except the secretary-accountant, are elected at-large every two years.
Source: Montana Governor's Office of Indian Affairs (opens in a new tab) Checked
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Fort Sill Apache Tribe
Also known as Fort Sill Apache
Lands Apache and Fletcher, Oklahoma; reservation land in New Mexico, United States
The Fort Sill Apache Tribe comprises descendants of Chiricahua and Warm Springs Apaches displaced from the Southwest and northern Mexico.
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Ho-Chunk Nation
Also known as Hoocąk
Lands Wisconsin, United States, on lands in many places rather than one reservation; traditional lands also reach Minnesota, Iowa, Missouri and Illinois
The Ho-Chunk Nation has four branches of government, with a legislature of 13 members elected from four districts.
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Iowa Tribe of Kansas and Nebraska
Also known as Báxoje
Lands Reservation along the Kansas and Nebraska border, United States
The reservation of the Iowa Tribe of Kansas and Nebraska straddles the eastern border between the two states, and tribal headquarters is on it.
Source: Iowa Tribe of Kansas and Nebraska (opens in a new tab) Checked
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Iowa Tribe of Oklahoma
Also known as Baxoje
Lands Central Oklahoma, United States; centered in Perkins
The Iowa Tribe of Oklahoma is a sovereign nation centered in Perkins, Oklahoma, with self-government recognized by treaties and legislation.
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Kiowa Tribe
Also known as Cauigu
Lands Southwestern Oklahoma, United States
The Kiowa Tribe commits to protecting its sovereignty and to preserving and advocating for Kiowa culture and language.
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Little Traverse Bay Bands of Odawa Indians
Also known as Odawa
Lands Northern Lower Peninsula of Michigan, United States
The tribe's mission celebrates that its people still have and speak their own language, Anishinaabemowin.
Source: Little Traverse Bay Bands of Odawa Indians (opens in a new tab) Checked
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Mandan, Hidatsa, and Arikara Nation
Also known as MHA Nation
Lands Fort Berthold Indian Reservation, central North Dakota, United States
As of August 2026, 17,825 people are enrolled members of the Mandan, Hidatsa, and Arikara Nation.
Source: Mandan, Hidatsa, and Arikara Nation (opens in a new tab) Checked
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Menominee Indian Tribe of Wisconsin
Also known as Menominee
Lands Menominee Reservation, northeastern Wisconsin, United States
The Menominee Reservation covers about 235,524 acres in Wisconsin and holds the largest single tract of virgin timberland in the state.
Source: Wisconsin Department of Public Instruction (opens in a new tab) Checked
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Meskwaki Nation
Also known as Sac & Fox Tribe of the Mississippi in Iowa
Lands Meskwaki Settlement near Tama, Iowa, United States
The Meskwaki Nation has its own constitution, codified laws, police officers and a fully functioning court system.
Source: Sac & Fox Tribe of the Mississippi in Iowa (opens in a new tab) Checked
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Mille Lacs Band of Ojibwe
Also known as Misi-zaaga'iganiing
Lands Three districts in East Central Minnesota, United States
The Mille Lacs Band governs itself through a three-branch government that divides power among executive, legislative and judicial branches.
Source: Mille Lacs Band of Ojibwe (opens in a new tab) Checked
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Northern Arapaho Tribe
Also known as Hinono'ei
Lands Wind River Reservation, Wyoming, United States, shared with the Eastern Shoshone
The Northern Arapaho and the Eastern Shoshone share a 2.2 million acre reservation in Wyoming, between the Wind River Range and the Owl Creek Mountains.
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Northern Cheyenne Tribe
Also known as Tsis tsis'tas
Lands Northern Cheyenne Reservation, southeastern Montana, United States; headquarters in Lame Deer
Lame Deer, Montana, is home to the Northern Cheyenne tribal government headquarters, and the Tribal Council is elected by district.
Source: Montana Governor's Office of Indian Affairs (opens in a new tab) Checked
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Oglala Sioux Tribe
Also known as Oglala Lakota Oyate
Lands Pine Ridge Reservation, southwestern South Dakota, United States
The Bureau of Indian Affairs estimates enrollment in the Oglala Sioux Tribe at 46,855 members.
Source: U.S. Department of the Interior, Bureau of Indian Affairs (opens in a new tab) Checked
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Omaha Tribe of Nebraska
Also known as Umoⁿhoⁿ
Lands Omaha Reservation, Nebraska, United States; tribal offices in Macy
The Omaha Tribe of Nebraska holds a trust land base of 27,828 acres, according to the Bureau of Indian Affairs.
Source: U.S. Department of the Interior, Bureau of Indian Affairs (opens in a new tab) Checked
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Oneida Nation
Also known as Oneida Nation of Wisconsin
Lands Oneida Reservation, Brown and Outagamie counties, northeast Wisconsin, United States
The Oneida Nation is governed by an elected Business Committee of nine members, which makes decisions by majority rule.
Source: Wisconsin Department of Public Instruction (opens in a new tab) Checked
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Osage Nation
Also known as Wahzhazhe
Lands Osage Nation Reservation, northeastern Oklahoma, United States; headquarters in Pawhuska
The Osage Nation Language Department offers free classes each year and calls language revitalization a foundation of Osage sovereignty.
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Pawnee Nation of Oklahoma
Also known as Pawnee Nation
Lands Pawnee, Oklahoma, United States; ancestral homeland on the central Plains
The Pawnee Business Council is the supreme governing body of the Pawnee Nation, acting within the nation's Constitution and federal law.
Source: Pawnee Nation of Oklahoma (opens in a new tab) Checked
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Ponca Tribe of Nebraska
Also known as Ponca
Lands Fifteen-county service area across Nebraska, Iowa and South Dakota, United States
The tribe serves its people across a fifteen-county service area in Nebraska, Iowa and South Dakota, set up by the Ponca Restoration Act.
Source: Ponca Tribe of Nebraska (opens in a new tab) Checked
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Prairie Band Potawatomi Nation
Also known as Potawatomi
Lands Reservation near Mayetta, northeastern Kansas, United States
The Prairie Band Potawatomi Nation says its Kansas reservation is unchanged from what the Treaty of 1846 established.
Source: Prairie Band Potawatomi Nation (opens in a new tab) Checked
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Red Lake Nation
Also known as Miskwaagamiiwi-Zaagaiganing
Lands Red Lake Reservation, northern Minnesota, United States
English is a second language for many Red Lake members who are middle-aged and older, including some on the Tribal Council, and many others speak or understand Ojibwe.
Source: Minnesota Indian Affairs Council (opens in a new tab) Checked
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Sac and Fox Nation
Also known as Sauk
Lands Central Oklahoma, United States; headquarters in Stroud
The Sac and Fox Nation was the first tribe to take on self-governance within the Indian Health Service.
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Sault Ste. Marie Tribe of Chippewa Indians
Also known as Sault Tribe
Lands Eastern Upper Peninsula of Michigan, United States
Sault Tribe serves seven eastern Upper Peninsula counties: Chippewa, Luce, Mackinac, Schoolcraft, Alger, Delta and Marquette.
Source: Sault Ste. Marie Tribe of Chippewa Indians (opens in a new tab) Checked
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Shakopee Mdewakanton Sioux Community
Also known as SMSC
Lands Scott County, Minnesota, United States
Following the Dakota tradition of helping others, the SMSC gives millions of dollars each year to other tribes, organizations and local governments.
Source: Shakopee Mdewakanton Sioux Community (opens in a new tab) Checked
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Sicangu Lakota Oyate
Also known as Rosebud Sioux Tribe
Lands Rosebud Reservation, South Dakota, United States
The Rosebud Reservation takes in 20 communities, and the tribal headquarters is in the community of Rosebud, South Dakota.
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Sisseton Wahpeton Oyate
Also known as Sisitunwan-Wahpetunwan Oyate
Lands Lake Traverse Reservation, northeastern South Dakota and southeastern North Dakota, United States
The Oyate counts more than 14,000 tribal members, living across the United States and serving abroad in the Armed Forces.
Source: Sisseton Wahpeton Oyate (opens in a new tab) Checked
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Spirit Lake Nation
Also known as Spirit Lake Tribe
Lands Northeastern North Dakota, mainly Benson County, United States; headquarters at Fort Totten
Cankdeska Cikana Community College, the tribal college at Spirit Lake, offers 12 associate degree and certificate programs.
Source: North Dakota Indian Affairs Commission (opens in a new tab) Checked
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Standing Rock Sioux Tribe
Also known as Standing Rock Oyate
Lands Standing Rock Reservation, across North Dakota and South Dakota, United States
Today Yanktonai Dakota communities live mostly on the North Dakota side of Standing Rock, and Lakota communities mostly on the South Dakota side.
Source: Standing Rock Sioux Tribe (opens in a new tab) Checked
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Turtle Mountain Band of Chippewa Indians
Also known as Anishinaabe
Lands Rolette County, North Dakota, near the Canadian border, United States
Members of the Turtle Mountain Band speak English, Ojibwe and Michif, a language that blends French, Ojibwe and Cree.
Source: North Dakota Indian Affairs Commission (opens in a new tab) Checked