Algonquin is located in Kane county Illinois with a geographic area of 12.3 square miles. The total population in Algonquin is 30,848 with 48.7% male and 51.3% female. Children under age 5 represent 4.2% of the population, under age 18 equal 22.3% of the population and over age 65 is 13.1% of the population. The median household income is $109,819, per capita income is $46,601. There are a total of 11,176 housing units with 85.0% owner occupied. Education includes 14.6% of residents that are high school graduates and 44.1% with a bachelor's degree or higher. The average temperature in Algonquin in the summer is 74 degrees, and in the winter 27 degrees.
