Princeville is located in Kauai county Hawaii with a geographic area of 2.6 square miles. The total population in Princeville is 1,918 with 40.9% male and 59.1% female. Children under age 5 represent 4.9% of the population, under age 18 equal 21.9% of the population and over age 65 is 28.9% of the population. The median household income is $75,575, per capita income is $38,501. There are a total of 841 housing units with 74.0% owner occupied. Education includes 13.7% of residents that are high school graduates and 61.2% with a bachelor's degree or higher. The average temperature in Princeville in the summer is 85 degrees, and in the winter 78 degrees.