34608 -- U.S. ZIP code Municipality (1990): SPRING HILL, Florida All ZIPs for this municipality (1990): 34606 34607 34608 34609 Population (2000): 22907 Housing Units (2000): 10409 Land area (2000): 15.430029 sq. miles (39.963589 sq. km) Water area (2000): 0.729198 sq. miles (1.888613 sq. km) Total area (2000): 16.159227 sq. miles (41.852202 sq. km) Located within: Florida (FL) Location: 28.484316 N, 82.551810 W