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Richland County, Illinois

From Simple English Wikipedia, the free encyclopedia

Richland County is a county in the U.S. state of Illinois. In the 2020 census, 15,813 people lived there.[1] The county seat is Olney.

Richland County was founded on February 24, 1841.

References

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  1. "QuickFacts: Richland County, Illinois". United States Census Bureau. Retrieved August 11, 2023.