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.