Mililani, HI

Very High · 203

Hawaii · Population 27,495 · Updated March 2026

$2,303
Median Rent / Month
$124,123
Median Income
$884,800
Median Home Value
$2,293
Owner Costs / Month

Affordability

How far your income goes in Mililani

22.3%
Rent-to-Income Ratio
Affordable
Rent takes less than 25% of median income — considered affordable by HUD standards.

Tax Burden in Hawaii

State-level tax rates that affect your costs

11.0%
Income Tax (Top Rate)
4.0%
Sales Tax
0.32%
Property Tax Rate

Estimated Annual Costs

$27,636
Annual Rent
$13,654
State Income Tax
$2,831
Property Tax (est.)

Cost of Living Overview

Mililani has a significantly higher cost of living than most US cities, driven largely by premium housing costs. With a cost index of 203 (where 100 equals the national median), Mililani residents can expect to pay median rent of $2,303/month while earning a median household income of $124,123/year.

The median home value in Mililani, HI is $884,800, with typical monthly owner costs around $2,293 including mortgage, insurance, and taxes. The median rent-to-income ratio of 22.3% means housing is relatively affordable here — well below the 30% threshold that HUD considers cost-burdened.

Hawaii's top income tax rate of 11.0% is among the highest in the nation, adding to the overall cost burden. Combined with a 4.0% sales tax rate and 0.32% effective property tax rate, the overall tax environment is a factor in the total cost of living in Mililani.

Frequently Asked Questions

Common questions about living costs in Mililani

What is the cost of living in Mililani, HI?
The cost of living index in Mililani, HI is 203 (US average = 100). Median monthly rent is $2,303, median household income is $124,123/year, and the median home value is $884,800.
Is Mililani, HI affordable?
No, Mililani is more expensive than the national average with a cost index of 203. The rent-to-income ratio is 22.3%—below the 30%% threshold considered affordable by HUD.
What is the average rent in Mililani, HI?
The median gross rent in Mililani, HI is $2,303 per month according to the US Census Bureau ACS 2023 data. Annual rent costs approximately $27,636.
What is the median household income in Mililani?
The median household income in Mililani, HI is $124,123 per year. This compares to the national median of approximately $80,000.
What are the taxes like in Hawaii?
Hawaii has a top income tax rate of 11.0%, a sales tax of 4.0%, and an effective property tax rate of 0.32%.