Earlville, IA -- U.S. city in Iowa Population (2000): 900 Housing Units (2000): 355 Land area (2000): 0.546123 sq. miles (1.414453 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.546123 sq. miles (1.414453 sq. km) FIPS code: 23430 Located within: Iowa (IA), FIPS 19 Location: 42.482074 N, 91.270456 W ZIP Codes (1990): 52041 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Earlville, IA Earlville