Sandusky is located in Sanilac county Michigan with a geographic area of 2.2 square miles. The total population in Sandusky is 2,796 with 46.5% male and 53.5% female. Children under age 5 represent 3.4% of the population, under age 18 equal 19.1% of the population and over age 65 is 21.7% of the population. The median household income is $45,602, per capita income is $28,771. There are a total of 1,191 housing units with 54.7% owner occupied. Education includes 36.4% of residents that are high school graduates and 27.3% with a bachelor's degree or higher. The average temperature in Sandusky in the summer is 68 degrees, and in the winter 23 degrees.