Chadwick is a village in Carroll County, Illinois, United States. The population was 481 at the 2020 census, down from 551 at the 2010 census. Chadwick is located at 42°0′51″N 89°53′21″W / 42.01417°N 89.88917°W.
Elevation: 801 ft (244 m)
Country: United States
State: Illinois
County: Carroll
Township: Fairhaven, Illinois
Incorporated: Approximately 1853. (Incorporation approved September 26, 1882.)
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