Quincy, Illinois. Nestled on the banks of the mighty Mississippi, Quincy is alive with history, architecture, the arts and nature. It has been said that Quincy has the largest number of significant architectural masterpieces per capita in the State of Illinois. Drive down our Maine Street and through any of our 7 historic districts and you may begin to say it yourself. If your idea of home is more gourmet kitchen, geothermal and great room than original molding and stained glass, we have plenty of options for you too – established single family developments, new construction and no maintencance condominiums to name a few.