Hartford, SD -- U.S. city in South Dakota Population (2000): 1844 Housing Units (2000): 675 Land area (2000): 1.491185 sq. miles (3.862151 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.491185 sq. miles (3.862151 sq. km) FIPS code: 27540 Located within: South Dakota (SD), FIPS 46 Location: 43.624716 N, 96.945084 W ZIP Codes (1990): 57033 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Hartford, SD Hartford