Home > MI > Ottawa County > Allendale > Zip 49401

Zip Code 49401 — Allendale, MI

49401 is a ZIP Code associated with Allendale, MI, located within Ottawa. The postal region supports an estimated population of 29,674 residents across Data Pending housing units, with a population density of 359.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.976300, -85.956040)

Data MetricLocal Statistic
Postal / Zip Code49401
Primary CityAllendale
State / ProvinceMI
CountyOttawa
Total Population29,674
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density359.0 people/sq mi
TimezoneAmerica/Detroit

How 49401 Compares

MetricZIP 49401Ottawa CountyMI State Average
Population29,674283,55510,077,716
Median IncomeData PendingN/AN/A
Population Density359.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 49430Lamont3.7 mi14N/A
Zip 49404Coopersville6.2 mi9,117N/A
Zip 49435Marne6.8 mi3,831N/A
Zip 49428Jenison7.1 mi28,209N/A
Zip 49426Hudsonville8.3 mi40,523N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →