Kailua is a city located in Hawaii. Kailua has a 2020 population of 15,268. Kailua is currently declining at a rate of 0.00% annually and its population has increased by 27.50% since the most recent census, which recorded a population of 11,975 in 2010. Kailua reached it's highest population of 15,268 in 2018.
The average household income in Kailua is $83,364 with a poverty rate of 9.65%. The median rental costs in recent years comes to $1,221 per month, and the median house value is $444,600. The median age in Kailua is 36.9 years, 35.6 years for males, and 38.4 years for females. For every 100 females there are 109.4 males.