Hayden is located in Kootenai county Idaho with a geographic area of 10.4 square miles. The total population in Hayden is 15,049 with 48.9% male and 51.1% female. Children under age 5 represent 3.8% of the population, under age 18 equal 20.0% of the population and over age 65 is 25.0% of the population. The median household income is $57,981, per capita income is $30,908. There are a total of 6,294 housing units with 79.1% owner occupied. Education includes 30.4% of residents that are high school graduates and 30.6% with a bachelor's degree or higher. The average temperature in Hayden in the summer is 67 degrees, and in the winter 24 degrees.