Williamson County, Illinois
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Williamson County is a county in Illinois and is part of the Metro Lakeland area of Southern Illinois. Its largest city and county seat is Marion. As of the 2020 census, it had a population of 67,153.
Williamson County Courthouse in Marion
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Carterville, Illinois
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Carterville is a city in Williamson County, Illinois, United States. At the 2020 census, the city's population was 5,848. The city is part of the Carbondale-Marion-Herrin combined statistical area and
Williamson County, Illinois
…Carbondale (mostly in Jackson County) Carterville Creal Springs…
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