La grange is located in Cook county Illinois with a geographic area of 2.5 square miles. The total population in La grange is 15,555 with 47.0% male and 53.0% female. Children under age 5 represent 6.3% of the population, under age 18 equal 29.5% of the population and over age 65 is 16.1% of the population. The median household income is $122,629, per capita income is $60,162. There are a total of 5,445 housing units with 83.5% owner occupied. Education includes 9.7% of residents that are high school graduates and 67.4% with a bachelor's degree or higher. The average temperature in La grange in the summer is 74 degrees, and in the winter 27 degrees.
