N/A of the households in Custer County, MT 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, MT borders Carter County, MT, Fallon County, MT, Garfield County, MT, Powder River County, MT, Prairie County, MT, and Rosebud County, MT.