Waialua is located in Honolulu county Hawaii with a geographic area of 2.2 square miles. The total population in Waialua is 3,112 with 47.8% male and 52.2% female. Children under age 5 represent 4.3% of the population, under age 18 equal 21.1% of the population and over age 65 is 22.9% of the population. The median household income is $77,031, per capita income is $29,645. There are a total of 1,023 housing units with 58.8% owner occupied. Education includes 35.2% of residents that are high school graduates and 31.0% with a bachelor's degree or higher. The average temperature in Waialua in the summer is 85 degrees, and in the winter 78 degrees.
