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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Atlantic, IA

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Counties:CASS, IA
Area Code(s):712
Timezone(s):Central (GMT -06:00)
City Population:7,112 (More Details)
Congressional District(s):03, 04
Land Area:564 square miles (county)
Water Area:1 square miles (county)

1 ZIP Code

Atlantic, IA ZIP Code Boundaries

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Atlantic, IA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Atlantic, IA Demographic Information *

Total population**7,112
Male population3,409
Female population3,703
Median age (years)44.3
White Population6,902
Black Population17
Indian Population18
Asian Population18
Hawaiian Population38
Hispanic Population183
Median age (Male)40.6
Median age (Female)47
Total households3,137
Family households (families)1,906
Average household size2.21
Average family size2.8
Total housing units3,399
* Demographic data is based on 2010 Census for the City of ATLANTIC.
** 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],