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Hilo, HI ZIP codes

Hilo, Hawaii has 2 ZIP codes, including 1 PO Box ZIP. They are in Hawaii County.

Population in these ZIPs
52,979
Avg. median income
$80,900population-weighted
Typical home value
$556,000population-weighted
Metro area
Hilo-Kailua, HI
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ZIP codes within 10 miles

Hilo, HI ZIP codes list

Hilo, HI ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
96720Hawaii County52,979$80,938$556,000
96721 PO BoxHawaii County———

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Hilo

Frequently asked questions

What is the ZIP code for Hilo, HI?

Hilo, HI has 2 ZIP codes: 96720 and 96721.

What county is Hilo, Hawaii in?

Hilo ZIP codes are in Hawaii County.

Which Hilo ZIP codes are PO Boxes?

96721 is a PO Box or single-organization ZIP code; it has no residential delivery area.