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ZIP Code Database - Facts & Stats

Data Last Updated: November 1, 2022

ZIP Codes for City of Allendale, MI

Allendale, MI Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 49401StandardOttawa20,735

Timezone(s):Eastern (GMT -05:00)
Counties:OTTAWA, MI
Population:17,579 (More Details)
Male Population:8,067
Female Population:9,512
Median Age:21
ZIP Codes:1
Area Codes:2
Total Area:1,631 square miles (county)
Land Area:564 square miles (county)
Water Area:1,068 square miles (county)

Allendale, MI Demographic Information *

Total population17,579
Male population8,067
Female population9,512
Median age (years)20.9
White Population15,937
Black Population574
Indian Population75
Asian Population255
Hawaiian Population7
Hispanic Population839
Median age (Male)21.3
Median age (Female)20.6
Total households4,607
Family households (families)2,639
Average household size3.01
Average family size3.26
Total housing units4,834
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 11/1/2022],
  2. Internal Data Creation [Last Updated: 11/1/2022],
  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],