Cissna park is located in Iroquois county Illinois with a geographic area of 0.7 square miles. The total population in Cissna park is 847 with 42.9% male and 57.1% female. Children under age 5 represent 5.0% of the population, under age 18 equal 20.0% of the population and over age 65 is 34.4% of the population. The median household income is $42,750, per capita income is $26,126. There are a total of 404 housing units with 73.5% owner occupied. Education includes 41.8% of residents that are high school graduates and 22.5% with a bachelor's degree or higher. The average temperature in Cissna park in the summer is 74 degrees, and in the winter 27 degrees.