Mentor is located in Lake county Ohio with a geographic area of 27.8 square miles. The total population in Mentor is 47,075 with 48.7% male and 51.3% female. Children under age 5 represent 4.7% of the population, under age 18 equal 19.2% of the population and over age 65 is 23.1% of the population. The median household income is $73,208, per capita income is $37,166. There are a total of 19,416 housing units with 84.0% owner occupied. Education includes 25.1% of residents that are high school graduates and 36.4% with a bachelor's degree or higher. The average temperature in Mentor in the summer is 71 degrees, and in the winter 32 degrees.