ZIP Code · HI

ZIP 96789

Part of Mililani, HI

Pop. 54,278·Honolulu County·17th most expensive ZIP in Hawaii

Median rent (all units)

$2,903/mo

Year-over-Year

+5.7%

Month-over-Month

+0.5%

vs US Median

+$971

Reported rents

Stable (Monthly)

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Most AffordableMost Expensive

ZIP 96789 · $2,903

More expensive than 89% of US ZIP codes · National median $1,932/mo

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Medians by bedroom

Rent by unit size

Studio

$1,930

1 BR

$2,080

2 BR

$2,720

3 BR

$3,780

4 BR+

$4,560

Research median

$2,720/mo

Bedroom estimates are gross rents that include essential utilities (electricity, water, gas, sewer, trash).

Rent trends

12-month history

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Last updated: October 17, 2026

From the history

What the numbers show

Compared with the peak

Rent in ZIP 96789 is at its highest level since Zillow's records here began in January 2015.

Past year vs. the rest of Hawaii

Rent in ZIP 96789 changed +5.7% over the year to September 2026. Across the 23 Hawaii ZIP codes Zillow tracks, the typical change was +5.3%.

Rent vs. income since 2019

From 2019 to 2024, rent in ZIP 96789 rose 26.9% while median household income rose 24.3% ($102,228 to $127,066). Rent outpaced income.

Since before the pandemic

Rent in ZIP 96789 is 41.1% higher than in March 2020. Across the US, rent is up 37.3% over the same stretch.

Recent direction

Rent has risen 3 months in a row, and rose in 11 of the last 12 months.

What a typical income covers

30% of the median household income ($127,066) is $3,177 a month. That covers HUD's Fair Market Rent for up to a 2-bedroom ($2,720); a 3-bedroom is $3,780.

Cheaper nearby

ZIP 96782, 5 miles away, rents for 17% less ($2,422/mo), about $5,800 a year in savings.

From Zillow's monthly rent index (ZORI) for ZIP 96789. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$34,836/yr

At $2,903/mo median

Location

CityMililani

StateHI

CountyHonolulu County

Rent Market Meter

Strong Landlord's Market

Renter's MarketBalancedLandlord's Market

Rents are up 5.7% year-over-year. Expect competition, and move quickly to lock in terms.

Based on rent-price momentum (+5.7% YoY, +0.5% MoM), not inventory.

Demographics

Who lives here

ZIP 96789 (Mililani, HI) is majority owner-occupied, has a median income above the national average, 45% of residents hold a bachelor's degree or higher.

Population

54,278

Median income

$127,066

Median age

42.1

Renters

22.2%

Age distribution

21.8%

19%

25.9%

13.9%

19.5%

Under 1821.8%

18–3419%

35–5425.9%

55–6413.9%

65+19.5%

Gender

51.2%

48.8%

Male51.2%

Female48.8%

Race & ethnicity

12.1%

46.7%

27.8%

White12.1%

Black2.4%

Hispanic11%

Asian46.7%

Other27.8%

Education (25+)

19.4%

32%

45%

No HS diploma3.6%

HS diploma19.4%

Some college32%

Bachelor's+45%

Housing tenure

77.8%

22.2%

Owner77.8%

Renter22.2%

Source: U.S. Census Bureau · ACS 2024 5-Year Estimates

2021 vs 2026

How ZIP 96789 in Mililani, HI has changed in 5 years

Rent

$2,164 → $2,903

up 34.1%

Income

$110,840 → $127,066

up 14.6%

Population

55,249 → 54,278

down 1.8%

Renter share

20.9% → 22.2%

+1.3 pts

Bachelor's+

42.4% → 45%

+2.6 pts

Median age

41.2 → 42.1

+0.9 yrs

The median rent in ZIP 96789 in Mililani, HI stood at $2,164 in 2021 and currently runs about $2,903, reflecting a 34.1% increase over the period. Household income in the area moved from $110,840 to $127,066 across the same window, up 14.6% versus 2021. That spread, with rent up faster than earnings, points to a tougher affordability environment than five years ago. The population has contracted by 1.8% since 2021, moving from about 55,249 residents to roughly 54,278. College-educated residents now make up 45% of adults here, versus 42.4% in 2021. Reading these numbers side by side helps frame whether current listings in ZIP 96789 in Mililani, HI look reasonable against where the market sat half a decade ago.

Community

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Local insights

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About renting in ZIP 96789

Last updated: October 17, 2026

ZIP code 96789 covers Mililani, HI. The median rent here is $2,903/mo as of October 2026. A 1-bedroom rents for a median of $2,080/mo. A 2-bedroom rents for a median of $2,720/mo.

At 27% of local median household income ($127,066/yr), ZIP 96789 ranks as affordable compared to the national benchmark of 30%. Rents have increased 5.7% over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 96789?

To keep rent at or below 30% of gross income, you would need to earn at least $116,000/year (about $56/hour full-time) to afford the median rent of $2,903/mo in ZIP 96789. The local median household income is $127,066/yr, so the typical household meets that bar.

Is rent going up or down in ZIP 96789?

Rent in ZIP 96789 has risen 5.7% over the past year as of September 2026. That is the highest level since Zillow's records here began in January 2015.

Has rent outpaced income in ZIP 96789?

Yes. From 2019 to 2024, rent in ZIP 96789 rose 26.9% while median household income rose 24.3%, from $102,228 to $127,066. Rent is Zillow's yearly average; income is the Census 5-year estimate for the same years.

How does ZIP 96789 compare to other ZIPs in Hawaii?

ZIP 96789 is in the middle among Hawaii ZIP codes for rent, ranking #17 of 30 at $2,903/mo. Over the year to September 2026, rent in ZIP 96789 changed +5.7%, against a typical +5.3% across the 23 Hawaii ZIP codes Zillow tracks.