96789 ZIP Code, Mililani, HI
96789 is a ZIP code in Mililani, Hawaii in Honolulu County. It covers 26 square miles of land. The closest ZIP codes are 96782, 96717 and 96701. 54,278 people live here in 19,079 households, more than in 9 of every 10 Hawaii ZIP codes. At about 2,054 people per square mile it has suburban density, and most homes are owner-occupied (78%). Median household income is $127,066, above the Hawaii median of $100,389.
Quick facts
- Mailing city: Mililani, HI
- County: Honolulu County
- Land area: 26 sq mi
- Population: 54,278
- Median household income: $127,066
Key figures
| Measure | Value |
|---|---|
| Residents | 54,278 |
| Households | 19,079 |
| Median household income | $127,066 |
| Income per person | $53,168 |
| Median age | 42.1 |
| Homeowners | 77.8% |
| Median home value | $920,400 |
| Median rent | $2,314 |
| Bachelor's degree or higher | 45.0% |
| Average commute (minutes) | 29.6 |
| Households with kids under 18 | 34.7% |
| Moved in the past year | 9.1% |
| Below the poverty line | 3.6% |
| Broadband internet | 96.5% |
| Speak a non-English language at home | 12.9% |
Household income
| % of households | Value |
|---|---|
| <$10K | 1.9% |
| $10–15K | 0.6% |
| $15–25K | 2.3% |
| $25–35K | 1.7% |
| $35–50K | 5.8% |
| $50–75K | 11.4% |
| $75–100K | 13.0% |
| $100–150K | 22.5% |
| $150–200K | 16.5% |
| $200K+ | 24.4% |
Age
| % of all residents | Value |
|---|---|
| <10 | 10.5% |
| 10–19 | 13.2% |
| 20–24 | 5.3% |
| 25–34 | 11.7% |
| 35–44 | 12.7% |
| 45–54 | 13.2% |
| 55–64 | 13.9% |
| 65–74 | 10.9% |
| 75+ | 8.6% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 55.9% |
| Owned outright | 20.5% |
| Rented | 21.0% |
| Vacant | 2.6% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 58.5% |
| Townhome | 8.8% |
| 2–4 units | 7.1% |
| 5–19 units | 18.2% |
| 20+ units | 7.3% |
| Mobile / other | 0.1% |
Businesses in 96789
477 business establishments with 5,812 employees (ZIP Codes Business Patterns 2023).
- Other Services (except Public Administration): 76
- Construction: 59
- Accommodation and Food Services: 56
- Professional, Scientific, and Technical Services: 50
- Health Care and Social Assistance: 44
- Retail Trade: 41
- Administrative and Support and Waste Management and Remediation Services: 34
- Finance and Insurance: 27
EDDM carrier routes
See every USPS carrier route in 96789 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 96782 — Pearl City CDP, HI (2.6 mi)
- 96717 — Punaluu CDP, HI (5.4 mi)
- 96701 — Pearl City CDP, HI (6.2 mi)
- 96786 — Wheeler AFB CDP, HI (6.8 mi)
- 96730 — Kaaawa CDP, HI (6.9 mi)
- 96744 — Waiahole-Waikane CDP, HI (7.2 mi)
- 96797 — Royal Kunia CDP, HI (7.5 mi)
- 96857 — Schofield Barracks CDP, HI (7.6 mi)
Areas that include 96789
- Mililani Town, HI ZIP codes — 1 ZIP code
- Mililani Mauka, HI ZIP codes — 1 ZIP code
- Waipio Acres, HI ZIP codes — 1 ZIP code
- Mililani, HI ZIP codes — 1 ZIP code
- Honolulu County ZIP codes — 38 ZIP codes
- Hawaii ZIP code data
Where it ranks
- No. 6 of 28: highest median household income in Honolulu County
- No. 3 of 28: highest share of owner-occupied homes in Honolulu County
Mail every home in 96789
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 96789, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 96789 in?
- 96789 is a Mililani, HI mailing address. By land area, 15% lies inside Mililani Town, 15% lies inside Mililani Mauka and 4% lies inside Waipio Acres; the rest is outside any Census-defined city or community.
- What county is 96789 in?
- 96789 is in Honolulu County.
- What is the population of 96789?
- About 54,278 people (±2,029), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 54,732.
- What is the median household income in 96789?
- $127,066 (±$4,754), compared with $100,389 for Hawaii as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 96789?
- EDDM2GO's stored route library does not include 96789 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 96789?
- The closest, measured center to center: 96782 (2.6 mi, Pearl City), 96717 (5.4 mi, Punaluu), 96701 (6.2 mi, Pearl City), 96786 (6.8 mi, Wheeler AFB), 96730 (6.9 mi, Kaaawa) and 96744 (7.2 mi, Waiahole-Waikane).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.