|Greene County Illinois Cities/Towns - Carrollton (County Seat), Eldred, Greenfield, Hillview, Kane, Rockbridge, Roodhouse, Walkerville, White Hall, Wilmington, Wrights
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Greene County is a county located in the U.S. state of Illinois. As of 2016, the population was 13,093. Its county seat is Carrollton.
Greene County is named in honor of General Nathanael Greene, a hero of the Revolutionary War.