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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Spearfish, SD

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Area Code(s):605
Timezone(s):Mountain (GMT -07:00)
City Population:10,494 (More Details)
CBSA:Spearfish, SD
Congressional District(s):No Districts
Land Area:800 square miles (county)
Water Area:0 square miles (county)

2 ZIP Codes

Spearfish, SD ZIP Code Boundaries

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Spearfish, SD Covers 2 ZIP Codes

ZIP CodeTypePopulation% of PopulationAliases

Spearfish, SD Demographic Information *

Total population**10,494
Male population4,938
Female population5,556
Median age (years)33.2
White Population9,815
Black Population43
Indian Population215
Asian Population116
Hawaiian Population2
Hispanic Population287
Median age (Male)31.1
Median age (Female)35.4
Total households4,644
Family households (families)2,350
Average household size2.09
Average family size2.79
Total housing units5,045
* Demographic data is based on 2010 Census for the City of SPEARFISH.
** City and ZIP Code Population will not be equal due to differences in their geographies.


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],