The 5 largest ethnic groups in Lyman County, SD are White (Non-Hispanic) (57.4%), American Indian & Alaska Native (Non-Hispanic) (40.3%), Two Races Excluding Other, & Three or More Races (Non-Hispanic) (1.53%), Other (Hispanic) (0.619%), and Two Races Including Other (Hispanic) (0.0807%).
N/A of the households in Lyman 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.
Most people in Lyman County, SD N/A, and the average commute time was 14.6 minutes. The average car ownership in Lyman County, SD was N/A per household.