
Cissna Park
- County:
- Iroquois County
- County Seat:
- No
- Area (mi²):
- 0.725
- State:
- Illinois
Cissna Park is a village located in Iroquois County, Illinois. Cissna Park has a 2025 population of 762. Cissna Park is currently declining at a rate of -1.3% annually and its population has decreased by -6.16% since the most recent census, which recorded a population of 812 in 2020.
The average household income in Cissna Park is $78,570 with a poverty rate of 9.48%. The median age in Cissna Park is 46.3 years: 46 years for males, and 46.9 years for females.