Highland park is located in Lake county Illinois with a geographic area of 12.2 square miles. The total population in Highland park is 29,596 with 48.1% male and 51.9% female. Children under age 5 represent 6.6% of the population, under age 18 equal 24.8% of the population and over age 65 is 24.6% of the population. The median household income is $147,067, per capita income is $90,133. There are a total of 11,700 housing units with 83.9% owner occupied. Education includes 7.2% of residents that are high school graduates and 77.9% with a bachelor's degree or higher. The average temperature in Highland park in the summer is 70 degrees, and in the winter 27 degrees.
