Charleston is located in Illinois. Charleston, Illinois has a population of 21,202. Charleston is more family-centric than the surrounding county with 26.8% of the households containing married families with children. The county average for households married with children is 26.37%.
The median household income in Charleston, Illinois is $29,968. The median household income for the surrounding county is $41,907 compared to the national median of $57,652. The median age of people living in Charleston is 25.2 years.
The average high temperature in July is 86.4 degrees, with an average low temperature in January of 20 degrees. The average rainfall is approximately 41.2 inches per year, with 15.8 inches of snow per year.
