Pearl city is located in Honolulu county Hawaii with a geographic area of 9.1 square miles. The total population in Pearl city is 45,159 with 50.3% male and 49.7% female. Children under age 5 represent 5.6% of the population, under age 18 equal 18.0% of the population and over age 65 is 25.3% of the population. The median household income is $101,517, per capita income is $41,012. There are a total of 14,172 housing units with 70.6% owner occupied. Education includes 21.8% of residents that are high school graduates and 37.1% with a bachelor's degree or higher. The average temperature in Pearl city in the summer is 85 degrees, and in the winter 78 degrees.