Waipahu is located in Honolulu County, HI. The population is 38,399, making Waipahu the 4th largest city in Honolulu County and the 5th largest city in the state of Hawaii.
There are 9 public schools in Waipahu with an average Homefacts rating of C+. The total crime rate for Waipahu is moderate , and there are 108 registered sex offenders residing in the city. Unemployment in Waipahu is low and the median home sales price is $0. Detailed and up-to-date Waipahu property reports are available for any property address.