
Colona
- County:
- Henry County
- County Seat:
- No
- Area (mi²):
- 3.819
- State:
- Illinois
Colona is a city located in Henry County, Illinois. Colona has a 2025 population of 4,937. Colona is currently declining at a rate of -0.4% annually and its population has decreased by -1.97% since the most recent census, which recorded a population of 5,036 in 2020.
The average household income in Colona is $97,835 with a poverty rate of 3.14%. The median age in Colona is 40.8 years: 40.8 years for males, and 40.8 years for females.