The 5 largest ethnic groups in Lower Brule, SD are American Indian & Alaska Native (Non-Hispanic) (91.8%), White (Non-Hispanic) (6.82%), Other (Hispanic) (1.29%), Other (Non-Hispanic) (0.129%), and White (Hispanic) (0%).
None of the households in Lower Brule, SD reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
98.6% of the residents in Lower Brule, SD are U.S. citizens.