Willoughby hills is located in Lake county Ohio with a geographic area of 10.8 square miles. The total population in Willoughby hills is 9,545 with 47.8% male and 52.2% female. Children under age 5 represent 3.2% of the population, under age 18 equal 15.0% of the population and over age 65 is 18.0% of the population. The median household income is $57,331, per capita income is $40,935. There are a total of 4,711 housing units with 44.9% owner occupied. Education includes 16.5% of residents that are high school graduates and 47.1% with a bachelor's degree or higher. The average temperature in Willoughby hills in the summer is 73 degrees, and in the winter 32 degrees.
