ZIP code · Volcano · Hawaii · United States

ZIP code 96785 — Volcano

ZIP code 96785 serves Volcano, Hawaii.

Postal code
96785
Single source Value from one source, not cross-checked.
City
Volcano
County
Hawaii FIPS 15001
State
Hawaii
Country
United States
Coordinates
19.4801, -155.1974 — precision estimated (postal-area centroid)
View on OpenStreetMap
Population
4,224 (ZCTA, ACS 5-year)
Population density
58 / sq mi
Land area
73.2 sq mi (189.6 km²) (ZCTA, ACS 5-year)
Median household income
$64,213
Per-capita income
$42,413
Median age
58.5
Households
2,053
Housing units
2,493
Median home value
$330,500
Median gross rent
$1,292 / month
Congressional district
HI-2 (119th Congress)
USDA hardiness zone
11a (40 to 45 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
Pacific/Honolulu (UTC−10, no DST)
Area code
808 (from the nearest rate centre)
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Nearby localities

Climate — monthly normals

Warmest month Sep (avg high 78°F), coldest Feb (avg low 56°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F747273737576777778777574
Avg low °F565657585960626261615957
Precip in13.115.822.922.015.018.119.023.516.118.223.122.3

NOAA 1991–2020 climate normals from the nearest station: GLENWOOD #2 55.4 (4.5 mi) · NOAA NCEI

Places in ZIP 96785

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page