Waipahu, Hawaii Population 2020

40,427

Waipahu is a city located in Hawaii. Waipahu has a 2020 population of 40,427. Waipahu is currently declining at a rate of 0.00% annually and its population has increased by 5.79% since the most recent census, which recorded a population of 38,216 in 2010. Waipahu reached it's highest population of 41,715 in 2017.

The average household income in Waipahu is $102,635 with a poverty rate of 11.78%. The median rental costs in recent years comes to $1,305 per month, and the median house value is $593,300. The median age in Waipahu is 37.2 years, 36.5 years for males, and 37.8 years for females. For every 100 females there are 96.0 males.

Waipahu Demographics

According to the most recent ACS, the racial composition of Waipahu was:

  • Asian: 67.55%
  • Native Hawaiian or Pacific Islander: 15.58%
  • Two or more races: 12.43%
  • White: 3.67%
  • Black or African American: 0.66%
  • Other race: 0.11%
  • Native American: 0.00%
The current population of Waipahu, Hawaii is 40,427, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 40,427.The last official US Census in 2010 recorded the population at 38,216.

Waipahu, Hawaii Population 2020

Population by Race

Race Population Percentage
Asian27,31067.55%
Native Hawaiian and Other Pacific Islander6,29715.58%
Two or More Races5,02712.43%
White1,4843.67%
Black or African American2650.66%
Some Other Race440.11%

Waipahu Population Pyramid 2020

Waipahu Median Age

37.2


Total

36.5


Male

37.8


Female

Waipahu Adults

There are 31,277 adults, (7,097 of whom are seniors) in Waipahu.

Waipahu Age Dependency

67.2

Age Dependency Ratio

29.4

Old Age Dependency Ratio

37.8

Child Dependency Ratio

Waipahu Sex Ratio

Female

20,625

51.02%

Male

19,802

48.98%

Waipahu Households and Families

Waipahu Renter vs Owner Occupied by Household Type

Waipahu Household Types

Type Owner Renter
Married60.6%39.4%
All52.9%47.1%
Female45.4%54.6%
Male44.6%55.4%
Non Family41.8%58.2%

52.9%

Rate of Home Ownership

Type Count Average Size Owned
All8,2054.7452.9
Married4,3755.6160.6
Female1,6594.6945.4
Non Family1,3321.2441.8
Male8395.8544.6

4.99

Average Family Size

4.74

Average Household Size

5.4%

Unmarried (Opposite Sex)

0.5%

Unmarried (Same Sex)

Waipahu Education

Education Attained Count Percentage
Less Than 9th Grade2,3648.74%
9th to 12th Grade1,7126.33%
High School Graduate9,91436.64%
Some College5,36019.81%
Associates Degree3,02211.17%
Bachelors Degree3,95114.60%
Graduate Degree7332.71%

Waipahu Educational Attainment by Race

Name Total High School Bachelors
Asian19,91916,6143,712
Islander3,1232,701331
Multiple Races2,6172,421398
Hispanic1,3801,213234
White1,077961178
Black14214232
Other Race3535

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among black people with a rate of 22.54%.

Name Average Male Female
Overall$31,578$36,186$29,006
Less Than High School$23,793$25,370$21,957
High School Grad$30,853$31,995$27,928
Some College$31,287$40,614$26,432
Bachelors Degree$39,237$41,804$36,075
Graduate Degree$49,228$46,719$49,412

$31,578

Average Earnings

$36,186

Average Male

$29,006

Average Female

Waipahu Language

Waipahu Language by Age

Waipahu Language

46.34% of Waipahu residents speak only English, while 53.66% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 52.87% of the population.

Waipahu Poverty

Waipahu Poverty by Race

Name Total In Poverty Poverty Rate
Islander6,2971,77728.22%
Asian26,7041,4805.54%
Multiple4,98584616.97%
Hispanic2,74559121.53%
White1,06938936.39%
Black2365322.46%
Other43818.60%

11.78%

Overall Poverty Rate

9.70%

Male Poverty Rate

13.79%

Female Poverty Rate

Poverty in Waipahu

The race most likely to be in poverty in Waipahu is White, with 36.39% below the poverty level.

The race least likely to be in poverty in Waipahu is Asian, with 5.54% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.97%. Among those working part-time, it was 14.63%, and for those that did not work, the poverty rate was 19.55%.

Name Poverty
Less Than High School13.59%
High School13.32%
Some College8.51%
Bachelors or Greater4.97%
Name Poverty
Female Unemployed46.52%
Male Unemployed13.66%
Female Employed5.57%
Male Employed5.28%

Waipahu Income

Waipahu Income by Household Type

Name Median Mean
Households$77,227$102,635
Families$80,665$105,144
Married Families$90,681$114,999
Non Families$30,222$38,400

Waipahu Marital Status

Waipahu Marital Status

Marriage Rates

47.1%

Overall Marriage Rate

49.8%

Male Marriage Rate

44.6%

Female Marriage Rate

Waipahu Married by Age and Sex

Waipahu Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Waipahu Marital Status by Race

Waipahu Veterans

2,020

Number of Veterans

1,774

Male Veterans

246

Female Veterans

War Veterans
Vietnam732
Second Gulf War451
First Gulf War291
Korea245
World War II56
Age Group Veterans
75+577
65 to 74420
35 to 54403
55 to 64350
18 to 34270
Name Veterans % of Total
Asian1,2435.63%
White29522.00%
2 or More2316.70%
Hawaiian1463.66%
Black10561.05%
Hispanic784.33%

$Waipahu Veterans by Education

5.42%

Veteran Poverty Rate

26.71%

Veteran Disability Rate

Waipahu Employment Status

64.4%

Labor Force Participation

60.9%

Employment Rate

4.6%

Unemployment Rate

Waipahu Place of Birth

Origin of Non-Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

48.08%

Born in Hawaii

57.68%

Native Born

42.32%

Foreign Born

19.54%

Non Citizen

Place of Birth

57.68% of Waipahu residents were born in the United States, with 48.08% having been born in Hawaii. 19.54% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Year Population Growth Annual Growth Rate
202040,4270.00%
201940,4270.00%
201840,427-1,288-3.09%
201741,7151250.30%
201641,5904251.03%
201541,1656331.56%
201440,5325171.29%
201340,015-516-1.27%
201240,5312460.61%
201140,2852,0695.41%
201038,2165,1081.45%
200033,1081,6730.52%
199031,4352,2960.76%
198029,1396,3412.48%
197022,79815,6095.94%
19507,1892830.40%
19406,9061,0321.63%
19305,8740.00%