Palatine is located in Cook county Illinois with a geographic area of 13.6 square miles. The total population in Palatine is 67,875 with 47.7% male and 52.3% female. Children under age 5 represent 7.1% of the population, under age 18 equal 24.0% of the population and over age 65 is 13.9% of the population. The median household income is $83,495, per capita income is $43,978. There are a total of 26,804 housing units with 67.7% owner occupied. Education includes 14.7% of residents that are high school graduates and 53.1% with a bachelor's degree or higher. The average temperature in Palatine in the summer is 74 degrees, and in the winter 27 degrees.