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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Kennebec, SD

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Counties:LYMAN, SD
Area Code(s):605
Timezone(s):Central (GMT -06:00)
City Population:240 (More Details)
Congressional District(s):No Districts
Land Area:1,642 square miles (county)
Water Area:65 square miles (county)

1 ZIP Code

Kennebec, SD ZIP Code Boundaries

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Kennebec, SD Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases
57544Standard419100.00%HOUSTON, IRON MOUNTAIN

Kennebec, SD Demographic Information *

Total population**240
Male population124
Female population116
Median age (years)45.6
White Population216
Black Population0
Indian Population16
Asian Population0
Hawaiian Population0
Hispanic Population0
Median age (Male)39
Median age (Female)49.5
Total households112
Family households (families)69
Average household size2.14
Average family size2.72
Total housing units146
* Demographic data is based on 2010 Census for the City of KENNEBEC.
** 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],