
Oreana
- County:
- Macon County
- County Seat:
- No
- Area (mi²):
- 0.468
- State:
- Illinois
Oreana is a village located in Macon County, Illinois. Oreana has a 2025 population of 837. Oreana is currently declining at a rate of -1.18% annually and its population has decreased by -5.64% since the most recent census, which recorded a population of 887 in 2020.
The average household income in Oreana is $96,234 with a poverty rate of 2.01%. The median age in Oreana is 37.6 years: 38.5 years for males, and 34.9 years for females.