N/A of the households in Custer 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.
Custer County, SD borders Fall River County, SD, Oglala Lakota County, SD, Pennington County, SD, Niobrara County, WY, and Weston County, WY.