34982 -- 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): 23018 Housing Units (2000): 10435 Land area (2000): 14.220104 sq. miles (36.829900 sq. km) Water area (2000): 0.640916 sq. miles (1.659966 sq. km) Total area (2000): 14.861020 sq. miles (38.489866 sq. km) Located within: Florida (FL) Location: 27.393097 N, 80.327907 W