34609 -- U.S. ZIP code Municipality (1990): SPRING HILL, Florida All ZIPs for this municipality (1990): 34606 34607 34608 34609 Population (2000): 28499 Housing Units (2000): 11884 Land area (2000): 58.734704 sq. miles (152.122178 sq. km) Water area (2000): 0.077232 sq. miles (0.200029 sq. km) Total area (2000): 58.811936 sq. miles (152.322207 sq. km) Located within: Florida (FL) Location: 28.475662 N, 82.501998 W