Carrollton is a city in and the county seat of Greene County, Illinois, United States. The population was 2,485 as of the 2020 census.
Carrollton Courthouse Square Historic District
Carrollton post office
Greene County is a county located in the U.S. state of Illinois. According to the 2020 United States Census, it has a population of 11,843. Its county seat is Carrollton.
Greene County Courthouse