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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Earlham, IA

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Counties:MADISON, IA
Area Code(s):515
Timezone(s):Central (GMT -06:00)
City Population:1,450 (More Details)
CBSA:Des Moines-West Des Moines, IA
Congressional District(s):03
Land Area:561 square miles (county)
Water Area:1 square miles (county)

1 ZIP Code

Earlham, IA ZIP Code Boundaries

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Earlham, IA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Earlham, IA Demographic Information *

Total population**1,450
Male population725
Female population725
Median age (years)34.3
White Population1,425
Black Population2
Indian Population0
Asian Population7
Hawaiian Population0
Hispanic Population12
Median age (Male)32
Median age (Female)36.6
Total households544
Family households (families)389
Average household size2.67
Average family size3.22
Total housing units571
* Demographic data is based on 2010 Census for the City of EARLHAM.
** 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],