Adams County

Adams County is an administrative division in western Illinois with the Mississippi River forming its western boundary. The county seat of Quincy serves as the main center for government operations and public services.

The area was established in 1825 by the Illinois State Legislature and named after John Quincy Adams, the sixth president of the United States. This naming reflected the political importance during Illinois's early development as a state.

The courthouse in Quincy serves as a gathering place for legal matters and holds records that document the county's past.

The Adams County Courthouse in Quincy is where residents go to handle legal matters and file official documents. The facility is centrally located and open to the public for various administrative needs.

The county contains significant water bodies that shape the land and support local activities. These natural features play an important role in the character and function of the region.

Location: Illinois

Inception: 1825

Capital city: Quincy

Shares border with: Hancock County, Brown County, Schuyler County, Pike County, Marion County, Lewis County

Website: http://co.adams.il.us

GPS coordinates: 39.99000,-91.19000

Latest update: December 7, 2025 10:06