Bothell is located in King county Washington with a geographic area of 13.6 square miles. The total population in Bothell is 46,386 with 51.2% male and 48.8% female. Children under age 5 represent 5.6% of the population, under age 18 equal 23.1% of the population and over age 65 is 13.0% of the population. The median household income is $107,651, per capita income is $50,421. There are a total of 17,746 housing units with 64.9% owner occupied. Education includes 13.1% of residents that are high school graduates and 53.7% with a bachelor's degree or higher. The average temperature in Bothell in the summer is 63 degrees, and in the winter 42 degrees.