Spearfish - Demographics & Population

With a median age of 33, the population of Spearfish is growing rapidly. Since the 2000 Census, it has posted a growth of 21.9 percent.  In the City of Spearfish, there are 643.8 people per square mile.

The majority (93.5 percent) of people in Spearfish are white.  American Indians constitute 2.0 percent of Spearfish’s population and 2.7 percent are Hispanic. In 2010, 2.3 percent of the population reported belonging to more than one race.

To access a copy of the U.S. Census profile for Spearfish, click here.