Machesney park is located in Winnebago county Illinois with a geographic area of 12.7 square miles. The total population in Machesney park is 22,709 with 48.2% male and 51.8% female. Children under age 5 represent 5.3% of the population, under age 18 equal 22.6% of the population and over age 65 is 14.8% of the population. The median household income is $64,263, per capita income is $30,478. There are a total of 8,702 housing units with 78.1% owner occupied. Education includes 33.5% of residents that are high school graduates and 19.4% with a bachelor's degree or higher. The average temperature in Machesney park in the summer is 74 degrees, and in the winter 27 degrees.