| Greene County Illinois Cities/Towns - Carrollton (County Seat), Eldred, Greenfield, Hillview, Kane, Rockbridge, Roodhouse, Walkerville, White Hall, Wilmington, Wrights |
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Your Ad Here Greene County is a county located in the U.S. state of Illinois. As of 2000, the population was 14,761. Its county seat is Carrollton. History Greene County is named in honor of General Nathanael Greene, a hero of the Revolutionary War. ![]() |