Issaquah is located in King county Washington with a geographic area of 12.1 square miles. The total population in Issaquah is 38,707 with 47.8% male and 52.2% female. Children under age 5 represent 6.3% of the population, under age 18 equal 22.1% of the population and over age 65 is 11.7% of the population. The median household income is $122,053, per capita income is $68,492. There are a total of 16,129 housing units with 59.9% owner occupied. Education includes 5.7% of residents that are high school graduates and 69.7% with a bachelor's degree or higher. The average temperature in Issaquah in the summer is 62 degrees, and in the winter 42 degrees.
