The 5 largest ethnic groups in Buffalo County, SD are American Indian & Alaska Native (Non-Hispanic) (73.4%), White (Non-Hispanic) (21.2%), American Indian & Alaska Native (Hispanic) (1.59%), Two+ (Hispanic) (1.2%), and Two+ (Non-Hispanic) (1.14%).
None of the households in Buffalo County, 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.
100% of the residents in Buffalo County, SD are U.S. citizens.
Most people in Buffalo County, SD drove alone to work, and the average commute time was 14.1 minutes. The average car ownership in Buffalo County, SD was 2 cars per household.
Buffalo County, SD borders Brule County, SD, Hand County, SD, Hyde County, SD, Jerauld County, SD, and Lyman County, SD.