Chelsea, IA -- U.S. city in Iowa Population (2000): 287 Housing Units (2000): 113 Land area (2000): 1.011985 sq. miles (2.621028 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.011985 sq. miles (2.621028 sq. km) FIPS code: 12990 Located within: Iowa (IA), FIPS 19 Location: 41.919980 N, 92.394358 W ZIP Codes (1990): 52215 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Chelsea, IA Chelsea