
Waimalu
- County:
- Honolulu County
- County Seat:
- No
- Area (mi²):
- 1.831
- State:
- Hawaii
Waimalu is a CDP located in Honolulu County, Hawaii. Waimalu has a 2025 population of 13,983. Waimalu is currently growing at a rate of 0.12% annually and its population has increased by 1.96% since the most recent census, which recorded a population of 13,714 in 2020.
The average household income in Waimalu is $112,168 with a poverty rate of 7.73%. The median age in Waimalu is 41.3 years: 40.8 years for males, and 41.8 years for females.