Waikapu is a city located in Hawaii. Waikapu has a 2020 population of 3,483. Waikapu is currently declining at a rate of 0.00% annually and its population has increased by 17.47% since the most recent census, which recorded a population of 2,965 in 2010. Waikapu reached it's highest population of 3,689 in 2014.
The average household income in Waikapu is $110,880 with a poverty rate of 7.34%. The median rental costs in recent years comes to $2,154 per month, and the median house value is $603,500. The median age in Waikapu is 35.4 years, 35.6 years for males, and 35.3 years for females. For every 100 females there are 92.2 males.