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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2023

ZIP Codes for City of Mililani, HI

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Area Code(s):808
Timezone(s):Hawaii-Aleutian Islands (GMT -10:00)
City Population:54,129 (More Details)
CBSA:Urban Honolulu, HI
Congressional District(s):01
Land Area:601 square miles (county)
Water Area:1,566 square miles (county)

1 ZIP Code

Mililani, HI ZIP Code Boundaries

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Mililani, HI Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Mililani, HI Demographic Information *

There is no Census data for the city of MILILANI, HI. We have pulled information for the ZIP Code 96789 instead.
Total population**54,129
Male population27,022
Female population27,107
Median age (years)37.2
White Population9,516
Black Population1,252
Indian Population150
Asian Population25,222
Hawaiian Population2,515
Hispanic Population4,968
Median age (Male)36.3
Median age (Female)38.3
Total households18,124
Family households (families)14,365
Average household size2.99
Average family size3.34
Total housing units18,650
* Demographic data is based on 2010 Census for the City of MILILANI.
** 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],