ZIP code · Captain Cook · Hawaii · United States

ZIP code 96704 — Captain Cook

ZIP code 96704 serves Captain Cook, Hawaii.

Postal code
96704
Single source Value from one source, not cross-checked.
City
Captain Cook
County
Hawaii FIPS 15001
State
Hawaii
Country
United States
Coordinates
19.4386, -155.8875 — precision estimated (postal-area centroid)
View on OpenStreetMap
Population
7,975 (ZCTA, ACS 5-year)
Population density
32 / sq mi
Land area
246.4 sq mi (638.2 km²) (ZCTA, ACS 5-year)
Median household income
$95,492
Per-capita income
$47,323
Median age
49.2
Households
2,579
Housing units
3,367
Median home value
$586,200
Median gross rent
$1,705 / month
Congressional district
HI-2 (119th Congress)
USDA hardiness zone
12b (55 to 60 °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
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 Aug (avg high 78°F), coldest Feb (avg low 57°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F747474747575777877777675
Avg low °F575758606163646463626158
Precip in2.42.13.02.53.22.83.33.44.73.72.42.5

NOAA 1991–2020 climate normals from the nearest station: OPIHIHALE #2 24.1 (11.6 mi) · NOAA NCEI

Places in ZIP 96704

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