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ZIP Code Database - Facts & Stats

Data Last Updated: August 1, 2022

ZIP Codes for City of Missouri Valley, IA

Missouri Valley, IA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 51555StandardHarrison5,245712

Timezone(s):Central (GMT -06:00)
Population:2,838 (More Details)
Male Population:1,353
Female Population:1,485
Median Age:40
ZIP Codes:1
Area Codes:1
Total Area:702 square miles (county)
Land Area:697 square miles (county)
Water Area:5 square miles (county)

Missouri Valley, IA Demographic Information *

Total population2,838
Male population1,353
Female population1,485
Median age (years)39.7
White Population2,770
Black Population9
Indian Population9
Asian Population3
Hawaiian Population0
Hispanic Population61
Median age (Male)37.4
Median age (Female)41.2
Total households1,160
Family households (families)707
Average household size2.36
Average family size2.99
Total housing units1,291
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 8/1/2022],
  2. Internal Data Creation [Last Updated: 8/1/2022],
  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],