Santee Sioux Reservation

Santee Sioux Reservation
Isáŋyathi (Dakota)
Location in Nebraska
TribeSantee Sioux Nation
CountryUnited States
StateNebraska
CountyKnox
HeadquartersNiobrara
Government
  BodyTribal Council
  ChairmanRoger Trudell
  Vice-ChairmanSidney Tuttle
Area
  Total
172.99 sq mi (448.0 km2)
Population
 (2017)
  Total
1,041
  Density6.0/sq mi (2.3/km2)
Websitesanteesiouxnation.net

The Santee Sioux Reservation (Dakota: Isáŋyathi) of the Santee Sioux (also known as the Eastern Dakota) was established in 1863 in present-day Nebraska. The tribal seat of government is located in Niobrara, Nebraska, with reservation lands in Knox County.