33426 -- U.S. ZIP code Municipality (1990): BOYNTON BEACH, Florida All ZIPs for this municipality (1990): 33426 33437 Population (2000): 15391 Housing Units (2000): 8173 Land area (2000): 6.359288 sq. miles (16.470480 sq. km) Water area (2000): 0.066798 sq. miles (0.173005 sq. km) Total area (2000): 6.426086 sq. miles (16.643485 sq. km) Located within: Florida (FL) Location: 26.529581 N, 80.082260 W