Trent, SD -- U.S. town in South Dakota Population (2000): 254 Housing Units (2000): 111 Land area (2000): 1.008504 sq. miles (2.612012 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.008504 sq. miles (2.612012 sq. km) FIPS code: 63940 Located within: South Dakota (SD), FIPS 46 Location: 43.906818 N, 96.654698 W ZIP Codes (1990): 57065 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Trent, SD Trent