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ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2021

ZIP Codes for City of Harpers Ferry, IA

Harpers Ferry, IA Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 52146StandardAllamakee1,039563
ZIP Code 52151StandardAllamakee2,138563

Timezone(s):Central (GMT -06:00)
Population:328 (More Details)
Male Population:168
Female Population:160
Median Age:59
ZIP Codes:2
Area Codes:1
Total Area:659 square miles (county)
Land Area:639 square miles (county)
Water Area:20 square miles (county)

Harpers Ferry, IA Demographic Information *

Total population328
Male population168
Female population160
Median age (years)58.8
White Population327
Black Population1
Indian Population0
Asian Population0
Hawaiian Population0
Hispanic Population0
Median age (Male)59.4
Median age (Female)58.4
Total households173
Family households (families)106
Average household size1.9
Average family size2.33
Total housing units578
* Demographic data is based on 2010 Census.

Harpers Ferry, IA Other Information

  • Located in ALLAMAKEE County, Iowa
  • Harpers Ferry, IA is also known as:
    • EGAN, IA

59 Cities within 30 miles of Harpers Ferry, IA Products


  1. U.S. Postal Service [Last Updated: 10/1/2021],
  2. Internal Data Creation [Last Updated: 10/1/2021],
  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],