Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/HI/HILO

Hilo ZIP codes, Hawaii

Hilo, HI has 2 ZIP codes (96720 and 96721) and area code 808. The largest is 96720.

USPS city name
2 ZIP codes
Population
50,404
Area code
808
State
Hawaii

Hilo in numbers

About 50,404 people live in Hilo, in 17,750 households, the 3rd-largest of Hawaii's 163 census places. The median household income is $81,779 a year, 19% below the Hawaii median of $100,389 (US: $80,734). The median owner-occupied home is valued at $483,000 (42% below the Hawaii median), and median gross rent is $1,427 a month. The median age is 42.7; 34.6% of adults 25 and over hold a bachelor's degree or higher (36.1% across Hawaii); the average commute takes 20 minutes.

Population50,404Hilo50,404
Households17,750Hilo17,750
Median age42.7Hilo42.7Hawaii40.9US 38.9
Median household income$81,779Hilo$81,779Hawaii$100,389US $80,734
Median home value$483,000Hilo$483,000Hawaii$839,100US $332,700
Median gross rent$1,427Hilo$1,427Hawaii$1,971US $1,413
Bachelor's degree or higher34.6%Hilo34.6%Hawaii36.1%US 35.7%
Mean commute20.3 minHilo20.3 minHawaii26.2 minUS 26.4 min
Population density940 / sq miHilo940 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Hilo CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Hilo

ZIP codes with the USPS city name Hilo
ZIP City Type Population Median income Median home
96720 Hilo , HI Standard 52,979 $80,938 $485,400
96721 Hilo , HI No street area — — —

Map of Hilo ZIP codes

The ZIP codes of Hilo, HI, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Hilo

Towns near Hilo
TownPopulationDistance
Kurtistown 3,151 7.1 mi
Hawaiian Paradise Park 13,203 10.0 mi
Orchidlands Estates 3,027 10.1 mi
Hawaiian Acres 3,872 11.0 mi
Mountain View 3,756 12.5 mi
Ainaloa 4,094 12.9 mi
Hawaiian Beaches 3,947 14.1 mi

More nearby: every ZIP code in Hawaii County · Hawaii ZIP codes

Cite this page

zipcodes.pro. “Hilo, HI ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/hi/hilo

Underlying data is public domain or openly licensed — sources, vintages and licences.