Adams County, Illinois
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About Adams County
Adams County is the westernmost county in the U.S. state of Illinois. As of the 2020 United States census, the population was 65,737. Its county seat is Quincy. Adams County is part of the Quincy, IL–MO Micropolitan Statistical Area.
Description adapted from Wikipedia, CC BY-SA 4.0.
Adams County at a glance
- County seat
- Quincy
- Population
- 65,737 (2020)
- Land area
- 871 sq mi
- Founded
- 1825
Largest communities in Adams County
- Quincy Township39,463
- Quincy County seat39,463
- Melrose Township5,748
- Ellington Township2,820
- Riverside Township2,103
History of Adams County
Adams County was formed in 1825 out of Pike County. Its name is in honor of the sixth President of the United States, John Quincy Adams.
Adapted from Wikipedia, CC BY-SA 4.0.
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Official channels
Adams County election resources
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Part of Illinois Voter Check
This is the Adams 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 Adams County or the Illinois State Board of Elections publishes, they are right and this page is not.