| Coles County Illinois Cities/Towns - Ashmore, Charleston (County Seat), Humboldt, Hutton, Lerna, Mattoon, Oakland, Paradise |
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Your Ad Here Coles County is a county located in the U.S. state of Illinois. As of 2000, the population was 53,196. Its county seat is Charleston. History Coles County was organized in 1831. It was named after Edward Coles, the second governor of Illinois from 1822 to 1826. ![]() |