Spearfish, SD ZIP Codes

Total ZIPs

14,950

Total Population

ZIP Codes in Spearfish, SD

ZIP Code	Population	Density	Timezone
57783	14,290	24	America/Denver
57799	660	1,835	America/Denver

All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.