ZIP code · Kahuku · Hawaii · United States
ZIP code 96731 — Kahuku
ZIP code 96731 serves Kahuku, Hawaii.
- Postal code
- 96731Single source Value from one source, not cross-checked.
- City
- Kahuku
- County
- Honolulu FIPS 15003
- State
- Hawaii
- Country
- United States
- Coordinates
- 21.6750, -157.9725 — precision precise (locality)
View on OpenStreetMap - Population
- 2,827 (ZCTA, ACS 5-year)
- Population density
- 291 / sq mi
- Land area
- 9.7 sq mi (25.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $73,393
- Per-capita income
- $30,557
- Median age
- 27.9
- Households
- 803
- Housing units
- 1,310
- Median home value
- $812,500
- Median gross rent
- $1,450 / 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
- 808Telephone 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.
Tools: compare 96731 with another ZIP · ZIPs within 25 miles · distance from 96731
Nearby localities
Map of ZIP code 96731
Climate — monthly normals
Warmest month Sep (avg high 83°F), coldest Feb (avg low 66°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 77 | 77 | 77 | 78 | 80 | 81 | 82 | 83 | 83 | 82 | 80 | 78 |
| Avg low °F | 66 | 66 | 67 | 69 | 70 | 73 | 73 | 75 | 74 | 73 | 71 | 69 |
| Precip in | 2.8 | 3.3 | 3.9 | 2.0 | 2.0 | 1.5 | 1.8 | 2.0 | 2.3 | 3.1 | 4.0 | 4.0 |
NOAA 1991–2020 climate normals from the nearest station: KII-KAHUKU 911 (1.7 mi) · NOAA NCEI
Places in ZIP 96731
- 2 schools
- 1 hospitals & clinics
- 17 restaurants & cafés
- 2 parks
- 3 gyms & sports centres
- 1 libraries
- 1 post offices
- 1 places of worship
- 1 banks
- 1 EV charging stations
- 3 police & fire stations
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