Waipahu Flag

Waipahu

County:
Honolulu County
County Seat:
No
Area (mi²):
2.678
State:
Hawaii

Waipahu is a CDP located in Honolulu County, Hawaii. Waipahu has a 2026 population of 40,253. Waipahu is currently growing at a rate of 0.32% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Waipahu is $103,895 with a poverty rate of 11.99%. The median age in Waipahu is 40.2 years: 36.4 years for males, and 44 years for females. For every 100 females there are 91.9 males.

40.3K
Total Population
15,031
Density (mi²)
127 0.32%
Growth

Waipahu Population

Waipahu Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202640,2531270.32%
202540,1261280.32%
200033,1081,6735.32%
199031,4352,2967.88%
198029,1396,34127.81%
197022,79815,609217.12%
19507,1892834.1%
19406,9061,03217.57%
19305,87400%

Median Age

Overall: 40.2 years
Female: 44 years
Male: 36.4 years

Waipahu Adults

There are 32,130 adults, (8,634 of whom are seniors) in Waipahu.

Sex Ratio

Female: 21,096 (52.1%)
Male: 19,386 (47.9%)

Demographics

The racial composition of Waipahu includes 70.13% Asian, 11.75% Native Hawaiian or Pacific Islander, and smaller percentages for White, other race, Black or African American, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Asian28,38970.13%
Two or more races5,51113.61%
Native Hawaiian or Pacific Islander4,75611.75%
White1,1252.78%
Other race3680.91%
Black or African American3140.78%
Native American190.05%
Race
Population ↓
Percentage (of total)
Two or more races1,5593.85%
Other race2980.74%
Asian2130.53%
White1660.41%
Black or African American470.12%
Native Hawaiian or Pacific Islander370.09%
Native American160.04%
Race
Population ↓
Percentage (of total)
Asian28,17669.6%
Native Hawaiian or Pacific Islander4,71911.66%
Two or more races3,9529.76%
White9592.37%
Black or African American2670.66%
Other race700.17%
Native American30.01%

Waipahu Marital Status

Economics and Income Statistics

Waipahu 's average per capita income is $43,667. Household income levels show a median of $103,895. The poverty rate stands at 11.99%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$125,022-
Families$115,711$134,672
Households$103,895$130,160
Non Families$37,283$54,709

$43,667

Average Income

$103,895

Median Household Income

11.99%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)