32320 -- U.S. ZIP code Municipality (1990): APALACHICOLA, Florida All ZIPs for this municipality (1990): 32320 Population (2000): 3834 Housing Units (2000): 1791 Land area (2000): 58.348797 sq. miles (151.122685 sq. km) Water area (2000): 0.621586 sq. miles (1.609901 sq. km) Total area (2000): 58.970383 sq. miles (152.732586 sq. km) Located within: Florida (FL) Location: 29.718770 N, 85.027047 W