Blakesburg, IA -- U.S. city in Iowa Population (2000): 374 Housing Units (2000): 177 Land area (2000): 0.265446 sq. miles (0.687502 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.265446 sq. miles (0.687502 sq. km) FIPS code: 06850 Located within: Iowa (IA), FIPS 19 Location: 40.962817 N, 92.636044 W ZIP Codes (1990): 52536 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Blakesburg, IA Blakesburg