34952 -- U.S. ZIP code Municipality (1990): PORT SAINT LUCIE, Florida All ZIPs for this municipality (1990): 34952 34953 34983 34984 34986 34987 34988 Population (2000): 31367 Housing Units (2000): 16078 Land area (2000): 27.483531 sq. miles (71.182015 sq. km) Water area (2000): 1.062730 sq. miles (2.752459 sq. km) Total area (2000): 28.546261 sq. miles (73.934474 sq. km) Located within: Florida (FL) Location: 27.291694 N, 80.296913 W