Carpentersville is located in Kane county Illinois with a geographic area of 7.9 square miles. The total population in Carpentersville is 37,618 with 49.5% male and 50.5% female. Children under age 5 represent 7.4% of the population, under age 18 equal 30.2% of the population and over age 65 is 9.2% of the population. The median household income is $73,105, per capita income is $26,770. There are a total of 11,004 housing units with 73.3% owner occupied. Education includes 29.4% of residents that are high school graduates and 20.2% with a bachelor's degree or higher. The average temperature in Carpentersville in the summer is 74 degrees, and in the winter 27 degrees.