33418 -- U.S. ZIP code Municipality (1990): PALM BEACH GARDE, Florida All ZIPs for this municipality (1990): 33410 33418 Population (2000): 27391 Housing Units (2000): 13554 Land area (2000): 58.764011 sq. miles (152.198084 sq. km) Water area (2000): 0.485020 sq. miles (1.256195 sq. km) Total area (2000): 59.249031 sq. miles (153.454279 sq. km) Located within: Florida (FL) Location: 26.877984 N, 80.160524 W