Wahiawa is located in Honolulu county Hawaii with a geographic area of 2.3 square miles. The total population in Wahiawa is 16,442 with 51.1% male and 48.9% female. Children under age 5 represent 4.4% of the population, under age 18 equal 20.3% of the population and over age 65 is 20.8% of the population. The median household income is $69,818, per capita income is $32,842. There are a total of 5,810 housing units with 50.0% owner occupied. Education includes 30.7% of residents that are high school graduates and 25.3% with a bachelor's degree or higher. The average temperature in Wahiawa in the summer is 85 degrees, and in the winter 78 degrees.