57783   Zip Code Spearfish Lawrence SD United States

City Spearfish
County Lawrence
State South Dakota
Latitude 44.47106
Longitude -103.9219
Population 17,248
Density 80.83 people per square mile
Time Zone America/Denver
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $74,844
Median individual: $36,345

Race

Mode: 89.4% White

Gender

 50.0% female 

Rent

  $965 / month  

Median house value: $372,401.0

Age

Median: 41.0 years old

Education

With at least college degree: 38.1%
With STEM degree: 47.7%

Marital Status

 46.1% married 

Never married: 33.4%

Labor Force Participation

 66.0% working 

Unemployed: 1.9%

Average Family Size

 2.93 people 

Commute Time

 16.8 minutes 

Health Care

 8.8% uninsured 

Poverty

 14.0%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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