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CITY · 2020 ACS

Mililani

Hawaii · 28,121 residents · 4.01 sq mi
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The short version

Mililani is a city of 28,121 people in Hawaii. The typical home is worth $683,700, having more than doubled since 2000. Owners hold 79% of the housing stock. Median rent is $1,922 a month. The median household earns $104,409, about 58% above the national median. The median age is 43.3, about 4 years above the US median.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 43.3
US median: 38.8
More educated
38% hold a bachelor's degree
US average: 33%
Less affordable
home values up 74%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

28,121
−2%since 2000
from 28,608 in 2000
1990 – 2024
43.3
+20%since 2000
from 36.2 in 2000
US average: 38.8
Land area
4.01 sq mi
Population, 19902024
27K28K28K29K30K19902000201020202024Mililani
202428K
1990201020202024
Age distribution, 2020
Under 55%(1,402)
US avg: 5.6%
5 to 96.3%(1,762)
US avg: 6.1%
10 to 146.4%(1,810)
US avg: 6.5%
15 to 196%(1,680)
US avg: 6.6%
20 to 245.1%(1,447)
US avg: 6.7%
25 to 3411%(3,084)
US avg: 13.5%
35 to 4412.4%(3,485)
US avg: 12.7%
45 to 5411.7%(3,282)
US avg: 12.3%
55 to 6412.7%(3,576)
US avg: 13.1%
65 to 7414.7%(4,121)
US avg: 10%
75 to 846.9%(1,943)
US avg: 4.9%
85 and over1.9%(529)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$104,409
−5%inflation adjusted, since 2000
from $73,067 in 2000
US average: $66,278
1990 – 2024
$41,413
+70%since 2000
from $24,427 in 2000
US average: $35,364
Households earning $100K+
68.4%
+8.5 ptssince 2009
from 59.9% in 2009
US average: 43.9%
4.9%
+1.7 ptssince 2000
from 3.2% in 2000
US average: 12.8%
Workforce by industry, 2020
Information10.8%
US avg: 11.1%
Wholesale trade8.2%
US avg: 6.7%
Finance & insurance6.5%
US avg: 5.5%
Professional, scientific, technical5.6%
US avg: 4.7%
Other services5.1%
US avg: 6.6%
Retail trade4.6%
US avg: 10%
Transportation & warehousing2.8%
US avg: 2.5%
Public administration2.8%
US avg: 4.7%
Arts, entertainment, food1.1%
US avg: 2%
Education & health services1%
US avg: 0.8%
Agriculture, forestry, fishing0.7%
US avg: 1.7%
Construction0.6%
US avg: 1.2%
Manufacturing0.1%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$683,700
+74%inflation adjusted, since 2000
from $261,200 in 2000
US average: $265,253
1990 – 2024
$1,922
+9%inflation adjusted, since 2000
from $1,174 in 2000
US average: $1,124
78.7%
+2.8 ptssince 2000
from 75.9% in 2000
21.3% rent
3.07 people
+2%since 2009
from 3.01 people in 2009
US average: 2.61
6.5
+15%since 2009
from 5.7 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2000
White, non-Hispanic19.2%(5,483)
Black2.9%(832)
Hispanic / Latino7.8%(2,222)
Asian46%(13,149)
Other0%
2020
White, non-Hispanic12.7%(3,584)
Black1.5%(425)
Hispanic / Latino10.6%(2,974)
Asian43.4%(12,207)
Other27.5%(7,742)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Puerto Rican2.9%(802)
Mexican2%(545)
Spaniard0.5%(151)
Colombian0.3%(71)
Honduran0.1%(36)
Cuban0.1%(35)
Salvadoran0.1%(15)
Asian origin
Japanese23%(6,311)
Filipino12.6%(3,471)
Chinese3.6%(977)
Korean1.1%(310)
Okinawan0.4%(100)
Nepalese0.2%(55)
Thai0.2%(50)
Vietnamese0.1%(39)
Taiwanese0.1%(16)
Cambodian0%(11)
Pakistani0%(10)
Pacific Islander origin
Native Hawaiian18.7%(5,123)
Samoan3.1%(844)
Marshallese0.5%(125)
Tongan0.4%(120)
Chamorro0.2%(62)
Ancestry
German4.1%(1,122)
Irish3.6%(982)
English2.9%(797)
Portuguese2.7%(754)
Polish1.3%(359)
Italian1.1%(289)
French1%(285)
American1%(278)
Scotch-Irish0.5%(146)
Norwegian0.5%(127)
Swedish0.4%(102)
Welsh0.3%(80)
+ 22 more ancestry groups with data
Greek0.3%(79)
Scottish0.2%(64)
Russian0.2%(53)
British0.2%(45)
Dutch0.2%(44)
Hungarian0.1%(41)
Czech0.1%(36)
Danish0.1%(28)
Australian0.1%(27)
Lithuanian0.1%(25)
Ukrainian0.1%(21)
Swiss0.1%(20)
Romanian0.1%(18)
Slovene0.1%(16)
Austrian0%(10)
Belgian0%(8)
Slovak0%(8)
Finnish0%(5)
Section 05

Education

38.1%
+6.2 ptssince 2000
from 31.8% in 2000
US average: 32.9%
High school or higher
95.9%
+1.7 ptssince 2000
from 94.3% in 2000
US average: 88.5%
11.2%
+1.4 ptssince 2000
from 9.8% in 2000
US average: 12.7%
Section 06

Commute & transportation

30.8 min
+38%since 2000
from 22.3 min in 2000
US average: 26.9
81.8%
+3.8 ptssince 2009
from 77.9% in 2009
US average: 75.1%
2.0%
−0.5 ptssince 2009
from 2.5% in 2009
US average: 8.4%
Section 07

Work & employment

2.6%
−1.3 ptssince 2011
from 3.9% in 2011
US average: 5.4%
64.5%
−4.3 ptssince 2011
from 68.7% in 2011
US average: 63.4%
Women 20-64 in the labor force
80.4%
US average: 73.3%
39.4%
+0.5 ptssince 2009
from 38.9% in 2009
US average: 39.3%
Section 08

People & community

51.2%
+0.7 ptssince 2009
from 50.5% in 2009
48.8%
−0.7 ptssince 2009
from 49.5% in 2009
11.0%
Unchangedsince 2009
from 11.0% in 2009
US average: 13.5%
2.4%
−1.1 ptssince 2013
from 3.5% in 2013
US average: 8.8%
Computer in household
96.8%
US average: 91.9%
90.5%
US average: 86.2%
Marital status (2024)
Men 15+
Never married31.2%(3,687)
Married58%(6,860)
Widowed2.5%(296)
Divorced8.3%(978)
Women 15+
Never married25.8%(2,945)
Married58.5%(6,661)
Widowed8.6%(984)
Divorced7%(803)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

2.4%
−1.1 ptssince 2013
from 3.5% in 2013
US average: 8.8%
77.4%
US average: 55.4%
Direct-purchase
13.0%
US average: 13.7%
23.8%
US average: 17.6%
10.3%
US average: 20.0%
VA health care
3.6%
US average: 2.3%
Any private
88.0%
US average: 68.1%
Any public
33.4%
US average: 35.2%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2020
Gulf War (2001 or later)23.4%(652)
US avg: 20.6%
Gulf War (1990s)23.9%(665)
US avg: 21.4%
Vietnam era50.5%(1,408)
US avg: 35.2%
Korean War4.2%(116)
US avg: 7.6%
World War II1.6%(45)
US avg: 2.9%

Share of the 2,787 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Mililani, Hawaii?

Mililani, Hawaii has about 28,121 residents according to the 2020 American Community Survey.

What is the median household income in Mililani, Hawaii?

The typical household in Mililani, Hawaii earns about $104,409 a year. Half of households make more than that, and half make less.

Is Mililani, Hawaii expensive?

In Mililani, Hawaii, the median home is worth about $683,700, and the typical rent is about $1,922 a month.

How educated are people in Mililani, Hawaii?

About 38.1% of adults age 25 and over in Mililani, Hawaii hold a bachelor's degree or higher.

What is the poverty rate in Mililani, Hawaii?

About 4.9% of people in Mililani, Hawaii live below the federal poverty line.

Has Mililani, Hawaii grown since 1990?

Yes, Mililani, Hawaii has shrunk since 1990. The population has lost about 1,238 residents, a change of about -4 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →