Spearfish, SD zip codes
Spearfish, South Dakota has 2 zip codes. Most of it is in Lawrence County. Together these zip codes are home to about 18K people.
Zip codes
2
Population
18K
All zips combined
Largest zip
57783
17,248 residents
Spearfish, South Dakota has 2 zip codes. Most of it is in Lawrence County. Together these zip codes are home to about 18K people.