34949 -- U.S. ZIP code Municipality (1990): FORT PIERCE, Florida All ZIPs for this municipality (1990): 34945 34946 34947 34949 34950 34951 34981 34982 Population (2000): 6655 Housing Units (2000): 6012 Land area (2000): 9.890932 sq. miles (25.617394 sq. km) Water area (2000): 0.034206 sq. miles (0.088593 sq. km) Total area (2000): 9.925138 sq. miles (25.705987 sq. km) Located within: Florida (FL) Location: 27.472857 N, 80.299013 W