Warren County, Illinois
Warren County is a county in the U.S. state of Illinois. In the 2020 census, 16,835 people lived there.[1] The county seat is Monmouth.
Warren County, Illinois Media
Warren County from the time of its creation to 1831
Between 1831 and 1835, Mercer County was temporarily attached to Warren until it could organize its own county government.
Warren County between 1835 and 1841
Warren County in 1841, reduced to its current borders by the creation of Henderson County
References
- ↑ QuickFacts: Warren County, Illinois. United States Census Bureau. Retrieved August 11, 2023.
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