Sandusky is located in Erie county Ohio with a geographic area of 9.6 square miles. The total population in Sandusky is 24,651 with 47.7% male and 52.3% female. Children under age 5 represent 7.1% of the population, under age 18 equal 22.3% of the population and over age 65 is 16.6% of the population. The median household income is $41,082, per capita income is $25,118. There are a total of 11,171 housing units with 51.9% owner occupied. Education includes 38.3% of residents that are high school graduates and 17.0% with a bachelor's degree or higher. The average temperature in Sandusky in the summer is 72 degrees, and in the winter 32 degrees.