Britton, SD -- U.S. city in South Dakota Population (2000): 1328 Housing Units (2000): 667 Land area (2000): 0.701338 sq. miles (1.816458 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.701338 sq. miles (1.816458 sq. km) FIPS code: 07380 Located within: South Dakota (SD), FIPS 46 Location: 45.792817 N, 97.752912 W ZIP Codes (1990): 57430 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Britton, SD Britton