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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Columbus Junction, IA

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Counties:LOUISA, IA
Area Code(s):319
Timezone(s):Central (GMT -06:00)
City Population:1,899 (More Details)
Congressional District(s):01
Land Area:402 square miles (county)
Water Area:16 square miles (county)

1 ZIP Code

Columbus Junction, IA ZIP Code Boundaries

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Columbus Junction, IA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Columbus Junction, IA Demographic Information *

Total population**1,899
Male population983
Female population916
Median age (years)35.9
White Population1,410
Black Population31
Indian Population5
Asian Population65
Hawaiian Population0
Hispanic Population911
Median age (Male)33.2
Median age (Female)38.9
Total households687
Family households (families)468
Average household size2.72
Average family size3.28
Total housing units760
* Demographic data is based on 2010 Census for the City of COLUMBUS JUNCTION.
** 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],