Poipu is located in Kauai county Hawaii with a geographic area of 2.6 square miles. The total population in Poipu is 1,005 with 51.2% male and 48.8% female. Children under age 5 represent 1.2% of the population, under age 18 equal 11.5% of the population and over age 65 is 42.6% of the population. The median household income is $97,813, per capita income is $78,599. There are a total of 497 housing units with 68.4% owner occupied. Education includes 11.1% of residents that are high school graduates and 57.3% with a bachelor's degree or higher. The average temperature in Poipu in the summer is 85 degrees, and in the winter 78 degrees.