Waimalu is a city located in Hawaii. Waimalu has a 2020 population of 13,384. Waimalu is currently declining at a rate of 0.00% annually and its population has decreased by -2.52% since the most recent census, which recorded a population of 13,730 in 2010. Waimalu reached it's highest population of 30,000 in 1990.
The average household income in Waimalu is $91,153 with a poverty rate of 5.56%. The median rental costs in recent years comes to $1,728 per month, and the median house value is $426,900. The median age in Waimalu is 38.3 years, 36.9 years for males, and 41.6 years for females. For every 100 females there are 113.0 males.