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.
Data after 2023 is projected based on recent change
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.
Race | Population | Percentage (of total) |
---|---|---|
White | 11,022 | 87.82% |
Two or more races | 709 | 5.65% |
Native American | 420 | 3.35% |
Other race | 223 | 1.78% |
Black or African American | 88 | 0.7% |
Asian | 67 | 0.53% |
Native Hawaiian or Pacific Islander | 22 | 0.18% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
---|---|---|
Married Families | $108,462 | - |
Families | $94,128 | $124,590 |
Households | $59,731 | $86,669 |
Non Families | $37,388 | $54,643 |
Average Income
Median Household Income
Poverty Rate