Sidney, AR -- U.S. town in Arkansas Population (2000): 275 Housing Units (2000): 94 Land area (2000): 2.174929 sq. miles (5.633039 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 2.174929 sq. miles (5.633039 sq. km) FIPS code: 64280 Located within: Arkansas (AR), FIPS 05 Location: 36.004326 N, 91.659115 W ZIP Codes (1990): 72577 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Sidney, AR Sidney