Gilbert, AR -- U.S. town in Arkansas Population (2000): 33 Housing Units (2000): 29 Land area (2000): 0.313892 sq. miles (0.812976 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.313892 sq. miles (0.812976 sq. km) FIPS code: 26800 Located within: Arkansas (AR), FIPS 05 Location: 35.991004 N, 92.716237 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Gilbert, AR Gilbert