Charleston is a city in and the county seat of Coles County, Illinois, United States. The population was 21,838, as of the 2010 census. The city is home to Eastern Illinois University and has close ties with its neighbor, Mattoon. Both are principal cities of the Charleston–Mattoon Micropolitan Statistical Area.
Eastern Illinois University
Four or more years; Public; $12,126 average out-state tuition; $8,617 average in-state tuition