St. Charles, AR -- U.S. town in Arkansas Population (2000): 261 Housing Units (2000): 150 Land area (2000): 0.859159 sq. miles (2.225211 sq. km) Water area (2000): 0.007572 sq. miles (0.019612 sq. km) Total area (2000): 0.866731 sq. miles (2.244823 sq. km) FIPS code: 61940 Located within: Arkansas (AR), FIPS 05 Location: 34.374050 N, 91.136661 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: St. Charles, AR St. Charles