Bartlett is located in Cook county Illinois with a geographic area of 15.7 square miles. The total population in Bartlett is 40,894 with 50.6% male and 49.4% female. Children under age 5 represent 5.5% of the population, under age 18 equal 23.7% of the population and over age 65 is 14.6% of the population. The median household income is $109,980, per capita income is $41,821. There are a total of 13,515 housing units with 85.0% owner occupied. Education includes 16.8% of residents that are high school graduates and 48.1% with a bachelor's degree or higher. The average temperature in Bartlett in the summer is 74 degrees, and in the winter 27 degrees.
