Williamson County, Illinois
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Williamson County is a county of the U.S. state of Illinois. In the 2020 census, 67,153 people lived there.[1] The county seat is Marion.
Williamson County, Illinois Media
Map of Williamson County, Illinois
Williamson County at the time of its creation in 1839
References
- ↑ QuickFacts: Williamson County, Illinois. United States Census Bureau. Retrieved August 11, 2023.
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