About Lake Bluff
Lake bluff is located in Lake county Illinois with a geographic area of 4.1 square miles. The total population in Lake bluff is 5,540 with 46.7% male and 53.3% female. Children under age 5 represent 6.2% of the population, under age 18 equal 25.3% of the population and over age 65 is 17.7% of the population. The median household income is $174,444, per capita income is $87,123. There are a total of 1,972 housing units with 90.7% owner occupied. Education includes 5.0% of residents that are high school graduates and 85.3% with a bachelor's degree or higher. The average temperature in Lake bluff in the summer is 74 degrees, and in the winter 27 degrees.