Waipahu, HI Profile: Facts, Map & Data


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Waipahu, Hawaii - Basic Facts

The Waipahu Census Designated Place had a population of 40,553 as of July 1, 2017. Waipahu ranks in the upper quartile for Population Density and the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Hawaii. See peer rankings below.

The primary coordinate point for Waipahu is located at latitude 21.3849 and longitude -158.011 in Honolulu County. The formal boundaries for the Waipahu Census Designated Place (see map below) encompass a land area of 2.65 sq. miles and a water area of 0.12 sq. miles. Honolulu County is in the Hawaii time zone (GMT -10). The elevation is 62 feet.

The Waipahu Census Designated Place (GNIS ID: 2414167) 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 Waipahu Census Designated Place is located within Ewa Division of Honolulu County.

Beneath the boundary map are tables with Waipahu population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Waipahu Census Designated Place, HI Boundary Map

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Waipahu, HI Data & Demographics (As of July 1, 2017)


Total Population 40,553
Daytime Population: Workers 10,011
Daytime Population: Residents 21,360
Total Daytime Population (TDP) 31,371
Ratio TDP/Total Population1 0.77
Population in Households 39,615
Population in Familes 33,755
Population in Group Qrtrs 938
Population Density2 15,305
Diversity Index3 62


Median Household Income $74,250
Average Household Income $97,346
Per Capita Income $21,825


Total Housing Units 9,339 (100%)
Owner Occupied HU 4,779 (51.2%)
Renter Occupied HU 3,966 (42.5%)
Vacant Housing Units 594 ( 6.4%)
Median Home Value $568,459
Average Home Value $555,785


Total Households 8,745
Average Household Size 4.53
Family Households 7,200
Average Family Size 5
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population 0.82% 0.78%
Households 0.58% 0.75%
Families 0.52% 0.71%
Median Household Income   1.53%
Per Capita Income   2.13%

Waipahu, HI - Peer Comparisons by Rank and Percentile

The table below compares Waipahu to the other 151 incorporated cities, towns and CDPs in Hawaii by rank and percentile using July 1, 2017 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 # 5 97th
Population Density # 1 100th
Diversity Index # 141 7th
Median Household Income # 56 64th
Per Capita Income # 122 20th

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

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