Lake zurich is located in Lake county Illinois with a geographic area of 6.9 square miles. The total population in Lake zurich is 19,912 with 48.6% male and 51.4% female. Children under age 5 represent 5.8% of the population, under age 18 equal 24.2% of the population and over age 65 is 12.2% of the population. The median household income is $113,467, per capita income is $49,263. There are a total of 7,002 housing units with 81.0% owner occupied. Education includes 14.1% of residents that are high school graduates and 58.8% with a bachelor's degree or higher. The average temperature in Lake zurich in the summer is 74 degrees, and in the winter 27 degrees.
