Long grove is located in Lake county Illinois with a geographic area of 12.4 square miles. The total population in Long grove is 7,907 with 49.5% male and 50.5% female. Children under age 5 represent 3.8% of the population, under age 18 equal 21.6% of the population and over age 65 is 18.1% of the population. The median household income is $207,188, per capita income is $83,473. There are a total of 2,434 housing units with 97.9% owner occupied. Education includes 5.4% of residents that are high school graduates and 79.0% with a bachelor's degree or higher. The average temperature in Long grove in the summer is 74 degrees, and in the winter 27 degrees.
