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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Interior, SD

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Counties:JACKSON, SD
Area Code(s):605
Timezone(s):Mountain (GMT -07:00)
City Population:94 (More Details)
Congressional District(s):No Districts
Land Area:1,864 square miles (county)
Water Area:7 square miles (county)

1 ZIP Code

Interior, SD ZIP Code Boundaries

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Interior, SD Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases
57750Standard295100.00%HEADLEE RANCH, POTATO CREEK

Interior, SD Demographic Information *

Total population**94
Male population44
Female population50
Median age (years)41.5
White Population66
Black Population0
Indian Population18
Asian Population0
Hawaiian Population0
Hispanic Population0
Median age (Male)39.5
Median age (Female)44.5
Total households40
Family households (families)24
Average household size2.35
Average family size3
Total housing units55
* Demographic data is based on 2010 Census for the City of INTERIOR.
** 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],