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Santee Sioux Reservation facts for kids

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Santee Sioux Reservation

Official seal of Santee Sioux Reservation
Location in Nebraska
Location in Nebraska
Tribe Santee Sioux Nation
Country United States
State Nebraska
County Knox
Headquarters Niobrara
 • Body Tribal Council
 • Total 172.99 sq mi (448.0 km2)
 • Total 1,041
 • Density 6.0177/sq mi (2.3234/km2)
Traditional location of Sioux tribes prior to 1770 (dark green) and their current reservations (orange).

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.


Established by an Act of the U.S. Congress on March 3, 1863, the Niobrara Reservation was officially recognized in an Executive Order dated February 27, 1866, and in treaties dated November 16, 1867 and April 29, 1868. Additional executive orders applying to the reservation were dated August 31, 1869, December 31, 1873, and February 9, 1885. In those initial years, tribal members selected 32,875.75 acres (133.0434 km2) as homesteads and 38,908.01 acres (157.4551 km2) as allotments; 1,130.70 acres (4.5758 km2) were designated for use as an Indian agency, school, and mission.

The reservation (shown as Dakota Reservation on the map at right) lies along the south bank of the Missouri River, and includes part of Lewis and Clark Lake. As of the 2000 census, the reservation recorded a resident population of 878, of which 64.1% were Native American and 33.7% White. Its land area is 172.99 mi.² (447.84 km²). The major center of population is the village of Santee, in the northernmost portion of the reservation.

Other major populations of Oglala Lakota and Brulé Sioux are located to the north on reservations within South Dakota.


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