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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Auburn, IA

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Counties:SAC, IA
Area Code(s):712
Timezone(s):Central (GMT -06:00)
City Population:322 (More Details)
Congressional District(s):04
Land Area:575 square miles (county)
Water Area:3 square miles (county)

1 ZIP Code

Auburn, IA ZIP Code Boundaries

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Auburn, IA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases
51433Standard676100.00%GRANT CITY, YETTER

Auburn, IA Demographic Information *

Total population**322
Male population165
Female population157
Median age (years)36
White Population321
Black Population0
Indian Population0
Asian Population1
Hawaiian Population0
Hispanic Population0
Median age (Male)35.8
Median age (Female)37.5
Total households127
Family households (families)90
Average household size2.54
Average family size3.03
Total housing units146
* Demographic data is based on 2010 Census for the City of AUBURN.
** 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],