Wailuku is a city located in Hawaii. Wailuku has a 2020 population of 17,354. Wailuku is currently declining at a rate of 0.00% annually and its population has increased by 13.33% since the most recent census, which recorded a population of 15,313 in 2010. Wailuku reached it's highest population of 17,354 in 2018.
The average household income in Wailuku is $91,229 with a poverty rate of 12.41%. The median rental costs in recent years comes to $1,218 per month, and the median house value is $549,600. The median age in Wailuku is 39.3 years, 38.9 years for males, and 39.6 years for females. For every 100 females there are 92.4 males.