Aiea is located in Honolulu county Hawaii with a geographic area of 1.7 square miles. The total population in Aiea is 9,730 with 48.4% male and 51.6% female. Children under age 5 represent 7.1% of the population, under age 18 equal 21.0% of the population and over age 65 is 19.8% of the population. The median household income is $114,961, per capita income is $41,473. There are a total of 2,796 housing units with 78.3% owner occupied. Education includes 16.1% of residents that are high school graduates and 44.5% with a bachelor's degree or higher. The average temperature in Aiea in the summer is 85 degrees, and in the winter 78 degrees.