32746 -- U.S. ZIP code Municipality (1990): HEATHROW, Florida All ZIPs for this municipality (1990): 32746 Population (2000): 29314 Housing Units (2000): 11790 Land area (2000): 14.745334 sq. miles (38.190239 sq. km) Water area (2000): 1.603895 sq. miles (4.154070 sq. km) Total area (2000): 16.349229 sq. miles (42.344309 sq. km) Located within: Florida (FL) Location: 28.758133 N, 81.339929 W