Oreana is a city located in Macon County Illinois. With a 2020 population of 801, it is the 717th largest city in Illinois and the 11275th largest city in the United States . Oreana is currently declining at a rate of -0.62% annually and its population has decreased by -8.46% since the most recent census, which recorded a population of 875 in 2010. Oreana reached it's highest population of in . Spanning over 0 miles, Oreana has a population density of 1,713 people per square mile.
The average household income in Oreana is $69,084 with a poverty rate of 6.19%. The median rental costs in recent years comes to $825 per month, and the median house value is $97,200. The median age in Oreana is 42.2 years, 40.8 years for males, and 43 years for females.