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
Southern Illinoismapsmall
Marion, Illinois
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Marion is a city in and the county seat of Williamson County, Illinois, United States. The population was 16,855 according to the 2020 census. It is part of a dispersed urban area that developed out o
Williamson County, Illinois
…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 was formed from Franklin County on February 28, 1839, and was named for…
Marion clock tower in the town square
Marion in 1938
Marion, 1910