Keaau is located in Hawaii county Hawaii with a geographic area of 6.3 square miles. The total population in Keaau is 1,280 with 49.3% male and 50.7% female. Children under age 5 represent 2.5% of the population, under age 18 equal 19.9% of the population and over age 65 is 25.9% of the population. The median household income is $72,889, per capita income is $24,400. There are a total of 417 housing units with 66.9% owner occupied. Education includes 41.5% of residents that are high school graduates and 25.7% with a bachelor's degree or higher. The average temperature in Keaau in the summer is 85 degrees, and in the winter 78 degrees.
