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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Timber Lake, SD

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Counties:DEWEY, SD
Area Code(s):605
Timezone(s):Mountain (GMT -07:00)
City Population:443 (More Details)
Congressional District(s):No Districts
Land Area:2,302 square miles (county)
Water Area:143 square miles (county)

1 ZIP Code

Timber Lake, SD ZIP Code Boundaries

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Timber Lake, SD Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Timber Lake, SD Demographic Information *

Total population**443
Male population218
Female population225
Median age (years)34.5
White Population228
Black Population0
Indian Population191
Asian Population0
Hawaiian Population0
Hispanic Population2
Median age (Male)34
Median age (Female)35.8
Total households179
Family households (families)110
Average household size2.47
Average family size3.15
Total housing units208
* Demographic data is based on 2010 Census for the City of TIMBER LAKE.
** 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],