In 2020, Spearfish, SD had a population of 11.7k people with a median age of 36.1 and a median household income of $50,072. Between 2019 and 2020 the population of Spearfish, SD grew from 11,547 to 11,702, a 1.34% increase and its median household income grew from $46,193 to $50,072, a 8.4% increase.
The 5 largest ethnic groups in Spearfish, SD are White (Non-Hispanic) (91%), Two+ (Non-Hispanic) (2.82%), American Indian & Alaska Native (Non-Hispanic) (2.27%), White (Hispanic) (1.52%), and Asian (Non-Hispanic) (1.23%).
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.
98.5% of the residents in Spearfish, SD are U.S. citizens.
The largest universities in Spearfish, SD are Black Hills State University (564 degrees awarded in 2020).
In 2020, the median property value in Spearfish, SD was $223,200, and the homeownership rate was 51.2%. Most people in Spearfish, SD drove alone to work, and the average commute time was 15.9 minutes. The average car ownership in Spearfish, SD was 2 cars per household.