Cissna Park is a city located in Iroquois County Illinois. With a 2020 population of 757, it is the 733rd largest city in Illinois and the 11538th largest city in the United States . Cissna Park is currently declining at a rate of -1.43% annually and its population has decreased by -10.52% since the most recent census, which recorded a population of 846 in 2010. Cissna Park reached it's highest population of in . Spanning over 1 miles, Cissna Park has a population density of 1,044 people per square mile.
The average household income in Cissna Park is $54,926 with a poverty rate of 10.85%. The median rental costs in recent years comes to $614 per month, and the median house value is $100,800. The median age in Cissna Park is 54.3 years, 52.4 years for males, and 56.4 years for females.