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ZIP Code Database - Facts & Stats

Data Last Updated: December 1, 2022

ZIP Codes for City of Hilo, HI

Hilo, HI Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulation
ZIP Code 96720StandardHawaii46,165
ZIP Code 96721P.O. BoxHawaii0

Timezone(s):Hawaii-Aleutian Islands (GMT -10:00)
Counties:HAWAII, HI
Population:43,263 (More Details)
Male Population:21,131
Female Population:22,132
Median Age:41
ZIP Codes:2
Area Codes:1
Total Area:5,086 square miles (county)
Land Area:4,028 square miles (county)
Water Area:1,058 square miles (county)

Hilo, HI Demographic Information *

Total population43,263
Male population21,131
Female population22,132
Median age (years)40.5
White Population7,617
Black Population227
Indian Population132
Asian Population14,833
Hawaiian Population6,132
Hispanic Population4,501
Median age (Male)39
Median age (Female)41.9
Total households15,483
Family households (families)10,287
Average household size2.69
Average family size3.2
Total housing units16,905
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 12/1/2022],
  2. Internal Data Creation [Last Updated: 12/1/2022],
  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],