34788 -- U.S. ZIP code Municipality (1990): HAINES CREEK, Florida All ZIPs for this municipality (1990): 34788 Population (2000): 15328 Housing Units (2000): 9025 Land area (2000): 32.933599 sq. miles (85.297626 sq. km) Water area (2000): 1.203843 sq. miles (3.117940 sq. km) Total area (2000): 34.137442 sq. miles (88.415566 sq. km) Located within: Florida (FL) Location: 28.857425 N, 81.784504 W