Quincy is a city in Gadsden County, Florida, United States. The population was 6,982 at the 2000 census. As of 2004, the population recorded by the U.S. Census Bureau is 6,975. It is the county seat of Gadsden County. Quincy apartments for rent comparison page shows most up to date rent information on Quincy apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.