Gilbert, SC -- U.S. town in South Carolina Population (2000): 500 Housing Units (2000): 195 Land area (2000): 2.265512 sq. miles (5.867648 sq. km) Water area (2000): 0.062235 sq. miles (0.161188 sq. km) Total area (2000): 2.327747 sq. miles (6.028836 sq. km) FIPS code: 29050 Located within: South Carolina (SC), FIPS 45 Location: 33.925492 N, 81.394531 W ZIP Codes (1990): 29054 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Gilbert, SC Gilbert