Spearfish Flag

Spearfish

County:
Lawrence County
County Seat:
No
Area (mi²):
17.236
State:
South Dakota

Spearfish is a city located in Lawrence County, South Dakota. Spearfish has a 2025 population of 13,988. Spearfish is currently growing at a rate of 2.59% annually and its population has increased by 14.45% since the most recent census, which recorded a population of 12,222 in 2020.

The average household income in Spearfish is $86,669 with a poverty rate of 15.2%.The median age in Spearfish is 37.2 years: 35.9 years for males, and 37.9 years for females.

14K
Total Population
812
Density (mi²)
353 2.59%
Growth

Spearfish Population

Spearfish Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Spearfish includes 87.82% White, 3.35% Native American, and smaller percentages for other race, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White11,02287.82%
Two or more races7095.65%
Native American4203.35%
Other race2231.78%
Black or African American880.7%
Asian670.53%
Native Hawaiian or Pacific Islander220.18%

Spearfish Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Spearfish's average per capita income is $43,558. Household income levels show a median of $59,731. The poverty rate stands at 15.2%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$108,462-
Families$94,128$124,590
Households$59,731$86,669
Non Families$37,388$54,643

$43,558

Average Income

$59,731

Median Household Income

15.2%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)