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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Saint Onge, SD

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Area Code(s):605
Timezone(s):Mountain (GMT -07:00)
City Population:191 (More Details)
CBSA:Spearfish, SD
Congressional District(s):No Districts
Land Area:800 square miles (county)
Water Area:0 square miles (county)

1 ZIP Code

Saint Onge, SD ZIP Code Boundaries

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Saint Onge, SD Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Saint Onge, SD Demographic Information *

Total population**191
Male population100
Female population91
Median age (years)46.8
White Population185
Black Population0
Indian Population1
Asian Population0
Hawaiian Population0
Hispanic Population2
Median age (Male)45
Median age (Female)47.7
Total households82
Family households (families)57
Average household size2.33
Average family size2.74
Total housing units89
* Demographic data is based on 2010 Census for the City of SAINT ONGE.
** 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],