Germantown hills is located in Woodford county Illinois with a geographic area of 1.6 square miles. The total population in Germantown hills is 3,421 with 54.7% male and 45.3% female. Children under age 5 represent 5.3% of the population, under age 18 equal 23.4% of the population and over age 65 is 13.5% of the population. The median household income is $120,057, per capita income is $44,738. There are a total of 1,225 housing units with 89.0% owner occupied. Education includes 8.7% of residents that are high school graduates and 58.8% with a bachelor's degree or higher. The average temperature in Germantown hills in the summer is 74 degrees, and in the winter 27 degrees.