Mililani Town, HI Profile: Facts, Map & Data


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Mililani Town, Hawaii - Basic Facts

The Mililani Town Census Designated Place had a population of 28,161 as of July 1, 2016. Mililani Town ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Hawaii. See peer rankings below.

The primary coordinate point for Mililani Town is located at latitude 21.4465 and longitude -158.0146 in Honolulu County. The formal boundaries for the Mililani Town Census Designated Place (see map below) encompass a land area of 4.01 sq. miles and a water area of 0 sq. miles. Honolulu County is in the Hawaii time zone (GMT -10). The elevation is 650 feet.

The Mililani Town Census Designated Place (GNIS ID: 2414101) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

Hawaii is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Mililani Town Census Designated Place is located within Ewa Division of Honolulu County.

Beneath the boundary map are tables with Mililani Town population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

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Mililani Town Census Designated Place, HI Boundary Map

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Boundary Maps: Ewa Division | Honolulu County | Hawaii Counties

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Mililani Town, HI Data & Demographics (As of July 1, 2016)


Total Population 28,161
Population in Households 28,161
Population in Familes 25,208
Population in Group Qrtrs 0
Population Density1 7,023
Diversity Index2 82


Total Households 9,153
Average Household Size 3.08
Family Households 7,522
Average Family Size 3


Total Housing Units 9,465 (100%)
Owner Occupied HU 7,211 (76.2%)
Renter Occupied HU 1,942 (20.5%)
Vacant Housing Units 312 ( 3.3%)
Median Home Value $580,103
Average Home Value $569,339


Median Household Income $94,024
Average Household Income $106,976
Per Capita Income $34,770
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.31% 0.53%
Households 0.2% 0.44%
Families 0.19% 0.44%
Median Household Income   1.71%
Per Capita Income   1.55%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Mililani Town, HI - Peer Comparisons by Rank and Percentile

The table below compares Mililani Town to the other 151 incorporated cities, towns and CDPs in Hawaii by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 9 95th
Population Density1 # 8 95th
Diversity Index2 # 80 48th
Median Household Income # 20 87th
Per Capita Income # 28 82nd

Additional comparisons and rankings can be made with a VERY EASY TO USE Hawaii Census Data Comparison Tool.

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