34990 -- U.S. ZIP code Municipality (1990): PALM CITY, Florida All ZIPs for this municipality (1990): 34990 Population (2000): 23762 Housing Units (2000): 11022 Land area (2000): 124.695660 sq. miles (322.960263 sq. km) Water area (2000): 0.098880 sq. miles (0.256097 sq. km) Total area (2000): 124.794540 sq. miles (323.216360 sq. km) Located within: Florida (FL) Location: 27.163485 N, 80.312671 W