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Population & People
Population
12,268
Median age
40
Median household income
$65,688
Poverty rate
15.2%
Unemployment rate
2.2%
Bachelor's degree+
41.8%
Avg. commute
15 min
Hispanic or Latino
3.9%
Source: U.S. Census Bureau, American Community Survey.
Housing & Rent
Median home value
$346,200
Median gross rent
$963/mo
Homeownership rate
49.65%
HUD FMR — 2 bedroom
$990
HUD Fair Market Rent (South Dakota statewide average across 66 areas — not specific to Spearfish), 2026. Efficiency $691, 1BR $784, 2BR $990, 3BR $1295, 4BR $1540. This is a different official figure from Census median gross rent above.
Energy
South Dakota commercial electricity
10.89¢/kWh
South Dakota industrial electricity
8.68¢/kWh
South Dakota residential electricity
13.38¢/kWh
Economy
Gross Domestic Product: All Industry Total
80650.3
Real Gross Domestic Product: All Industry Total
58515.2
All-Transactions House Price Index for South Dakota
642.5
Unemployment Rate
2%
Source: FRED, South Dakota-specific series.