Greene County, Illinois

county in Illinois, United States

Greene County is a county in the U.S. state of Illinois. According to the 2020 census, it has a population of 11,985.[1] The county seat is Carrollton.[2]


  1. "QuickFacts: Greene County, Illinois". United States Census Bureau. Retrieved August 11, 2023.
  2. "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.