Baltic, SD -- U.S. city in South Dakota Population (2000): 811 Housing Units (2000): 311 Land area (2000): 0.704349 sq. miles (1.824255 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.704349 sq. miles (1.824255 sq. km) FIPS code: 03380 Located within: South Dakota (SD), FIPS 46 Location: 43.762331 N, 96.737707 W ZIP Codes (1990): 57003 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Baltic, SD Baltic