Businesses and Places in Quincy, Illinois

Quincy, known as Illinois's "Gem City," is a city in and the county seat of Adams County, Illinois, United States, located on the Mississippi River. The 2010 census counted a population of 40,633 in the city itself, up from 40,366 in 2000. As of July 1, 2015, the Quincy Micro Area had an estimated population of 77,220.
Phone Area Codes in Quincy, IL: 217

Quincy, Illinois Popular Businesses and Place Categories