Map of Quincy Illinois Area

Quincy is a city in Adams County, Illinois, United States, and its county seat. Located on the Mississippi River, the population was 39,463 as …
Quincy is a city in Adams County, Illinois, United States, and its county seat. Located on the Mississippi River, the population was 39,463 as of the 2020 census, down from 40,633 in 2010. The Quincy micropolitan area had 114,649 residents.
  • Country: United States
  • State: Illinois
  • County: Adams
  • Settled: 1819
  • Elevation: 633 ft (193 m)
  • Area codes: 217, 447
  • Incorporated (town): 1834

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Data from: en.wikipedia.org