32442 -- U.S. ZIP code Municipality (1990): GRAND RIDGE, Florida All ZIPs for this municipality (1990): 32442 Population (2000): 3345 Housing Units (2000): 1478 Land area (2000): 87.235789 sq. miles (225.939647 sq. km) Water area (2000): 6.840088 sq. miles (17.715746 sq. km) Total area (2000): 94.075877 sq. miles (243.655393 sq. km) Located within: Florida (FL) Location: 30.698517 N, 85.016191 W