None of the households in Spearfish, 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.
99.1% of the residents in Spearfish, SD are U.S. citizens.
The largest universities in Spearfish, SD are Black Hills State University (521 degrees awarded in 2023).
In 2024, the median property value in Spearfish, SD was $346,200, and the homeownership rate was 49.6%.
Most people in Spearfish, SD drove alone to work, and the average commute time was 16.3 minutes. The average car ownership in Spearfish, SD was 2 cars per household.