Renton is located in King county Washington with a geographic area of 23.5 square miles. The total population in Renton is 101,871 with 50.2% male and 49.8% female. Children under age 5 represent 6.2% of the population, under age 18 equal 21.4% of the population and over age 65 is 11.5% of the population. The median household income is $79,824, per capita income is $40,594. There are a total of 39,157 housing units with 52.7% owner occupied. Education includes 21.1% of residents that are high school graduates and 40.2% with a bachelor's degree or higher. The average temperature in Renton in the summer is 64 degrees, and in the winter 42 degrees.