Carroll County, Illinois
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About Carroll County
Carroll County is a county located in the U.S. state of Illinois. As of the 2020 census, the population was 15,702. Its county seat is Mount Carroll.
Description adapted from Wikipedia, CC BY-SA 4.0.
Carroll County at a glance
- County seat
- Mount Carroll
- Population
- 15,702 (2020)
- Land area
- 466 sq mi
- Founded
- 1839
Largest communities in Carroll County
- Savanna Township3,432
- Savanna2,783
- York Township2,739
- Rock Creek-Lima Township1,993
- Mount Carroll Township1,963
History of Carroll County
Carroll County was formed in 1839 out of Jo Daviess County. The county is named for Charles Carroll who signed the Declaration of Independence. Carroll, who died in 1832, was the last signer to die.
Adapted from Wikipedia, CC BY-SA 4.0.
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Official channels
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Part of Illinois Voter Check
This is the Carroll County page of Illinois Voter Check, a project of True the Vote, pointing Illinois voters at the official tools that already exist — and at Scan Check Protect to verify your registration.
Where anything here differs from what Carroll County or the Illinois State Board of Elections publishes, they are right and this page is not.