which is land and is water. Demographics As of the census of 2020, the population of the Lower Sioux Indian Reservation was 534. The population density was . There were 154 housing units at an average density of . The racial makeup of the reservation was 79.6% Native American, 9.6% White, 0.2% Black or African American, 0.6% from other races, and 10.1% from two or more races. Ethnically, the population was 10.1% Hispanic or Latino of any race. See also Upper Sioux Indian Reservation References External links Official website Lower Sioux Reservation, Minnesota United States Census Bureau "Lower Sioux--'Can 'sayapi", Minnesota Indian Affairs Council American Indian reservations in Minnesota Native American tribes in Minnesota Populated places in Redwood County, Minnesota 1851 establishments in Minnesota Territory Santee Dakota