Berkeley is located in Cook county Illinois with a geographic area of 1.4 square miles. The total population in Berkeley is 5,079 with 53.5% male and 46.5% female. Children under age 5 represent 7.9% of the population, under age 18 equal 19.9% of the population and over age 65 is 16.4% of the population. The median household income is $71,025, per capita income is $29,940. There are a total of 1,793 housing units with 90.0% owner occupied. Education includes 39.9% of residents that are high school graduates and 17.8% with a bachelor's degree or higher. The average temperature in Berkeley in the summer is 74 degrees, and in the winter 27 degrees.
