Lockridge, IA -- U.S. city in Iowa Population (2000): 275 Housing Units (2000): 109 Land area (2000): 0.729905 sq. miles (1.890445 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.729905 sq. miles (1.890445 sq. km) FIPS code: 46065 Located within: Iowa (IA), FIPS 19 Location: 40.995065 N, 91.751656 W ZIP Codes (1990): 52635 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Lockridge, IA Lockridge