Kihei is located in Maui county Hawaii with a geographic area of 9.4 square miles. The total population in Kihei is 22,749 with 49.0% male and 51.0% female. Children under age 5 represent 5.8% of the population, under age 18 equal 20.4% of the population and over age 65 is 17.2% of the population. The median household income is $84,708, per capita income is $37,699. There are a total of 8,144 housing units with 58.4% owner occupied. Education includes 22.5% of residents that are high school graduates and 32.2% with a bachelor's degree or higher. The average temperature in Kihei in the summer is 85 degrees, and in the winter 78 degrees.