32351 -- U.S. ZIP code Municipality (1990): QUINCY, Florida All ZIPs for this municipality (1990): 32351 Population (2000): 23721 Housing Units (2000): 9147 Land area (2000): 280.571866 sq. miles (726.677766 sq. km) Water area (2000): 4.715031 sq. miles (12.211875 sq. km) Total area (2000): 285.286897 sq. miles (738.889641 sq. km) Located within: Florida (FL) Location: 30.573563 N, 84.614704 W