Tribal Geography in Relation to State Boundaries

According to the 2010 American Indian Federal Reservations data compiled by the US Census Bureau and the Bureau of Indian Affairs

• 12 tribes have jurisdictions that cross multiple state boundaries^1,2—
  • Colorado River Indian Tribes of the Colorado River Indian Reservation spanning Arizona and California
  • Confederated Tribes of the Goshute Reservation spanning Nevada and Utah
  • Fort McDermitt Paiute and Shoshone Tribes of the Fort McDermitt Indian Reservation spanning Nevada and Oregon
  • Fort Mojave Indian Tribe of Arizona, California and Nevada spanning Arizona, California, and Nevada
  • Iowa Tribe of Kansas and Nebraska spanning Kansas and Nebraska
  • Navajo Nation spanning Arizona, New Mexico, and Utah
  • Pokagon Band of Potawatomi Indians located in Michigan with a statistical area in Indiana³
  • Quechan Tribe of the Fort Yuma Indian Reservation spanning Arizona and California
  • Sac and Fox Nation of Missouri in Kansas and Nebraska spanning Kansas and Nebraska
  • Standing Rock Sioux Tribe of North and South Dakota spanning North Dakota and South Dakota
  • Ute Mountain Ute Tribe of the Ute Mountain Ute Reservation spanning Colorado, New Mexico, and Utah
  • Washoe Tribe of Nevada and California spanning California and Nevada

1. Department of the Interior, Bureau of Indian Affairs. Indian entities recognized and eligible to receive services from the United States Bureau of Indian Affairs [PDF-189KB]. Federal Register 2015;80(9):1942–8.
2. US Census Bureau. American Indian Reservations (Federal): 2010. (n.d.) [PDF-239KB]. Accessed Jul 8, 2015. Off-reservation trust lands are areas for which the United States holds titles in trust for the benefit of a tribe (tribal trust land) or for an individual American Indian or Alaska Native (individual trust land).
3. The Pokagon Band of Potawatomi has a tribal designated statistical area in South Bend, Indiana; however, this does not count as a federally recognized tribe for the state of Indiana.