With 12,930 people, Spearfish is a city in South Dakota. The population has risen by half since 2000, adding 4,324 people. 50% of homes are owner-occupied. The foreign-born share is 3%. Getting to work takes 16 minutes on average. About 42% of adults have finished a four-year degree.
At a glance
Lower income
median household income $65,688, below the US median
US median: $82,259
Mid-age
median age 40.0
US median: 38.9
More educated
42% hold a bachelor's degree
US average: 36%
Less affordable
home values up 123%, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Spearfish
What changed most since 1990
Median home value (2024 dollars)$144,724 → $346,200(+139%)US over the same years: +67%
Population6,966 → 12,930(+86%)US over the same years: +35%
White share95.1% → 87.3%(−7.7 pts)US over the same years: −17.8 pts
Spearfish's population equals 47% of Lawrence County's. Its number of households without a car equals 76% of the county's. Its number of residents living in poverty equals 63% of the county's.
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)37.6%(346)
US avg: 26.4%
Gulf War (1990s)46%(423)
US avg: 24.3%
Vietnam era19%(175)
US avg: 33.1%
Korean War2.4%(22)
US avg: 4.5%
World War II0%(0)
US avg: 1%
Share of the 919 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
Spearfish, decade by decade
Spearfish population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
6,966
$49,633
$144,724
25.1%
11.9
2000
8,606
$48,979
$155,205
28.7%
13.5
2010
10,494
$48,499
$232,761
35.7%
19.3
2020
12,193
$60,689
$270,527
42.6%
27.0
2024
12,930
$65,688
$346,200
41.8%
28.7
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
