Lake barrington is located in Lake county Illinois with a geographic area of 5.7 square miles. The total population in Lake barrington is 5,094 with 49.6% male and 50.4% female. Children under age 5 represent 1.9% of the population, under age 18 equal 15.5% of the population and over age 65 is 33.2% of the population. The median household income is $105,651, per capita income is $64,561. There are a total of 2,286 housing units with 89.4% owner occupied. Education includes 9.8% of residents that are high school graduates and 66.4% with a bachelor's degree or higher. The average temperature in Lake barrington in the summer is 74 degrees, and in the winter 27 degrees.
