Hermosa, SD -- U.S. town in South Dakota Population (2000): 315 Housing Units (2000): 139 Land area (2000): 0.388989 sq. miles (1.007477 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.388989 sq. miles (1.007477 sq. km) FIPS code: 28300 Located within: South Dakota (SD), FIPS 46 Location: 43.838786 N, 103.193978 W ZIP Codes (1990): 57744 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Hermosa, SD Hermosa