Earlham, IA -- U.S. city in Iowa Population (2000): 1298 Housing Units (2000): 520 Land area (2000): 0.970920 sq. miles (2.514672 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.970920 sq. miles (2.514672 sq. km) FIPS code: 23340 Located within: Iowa (IA), FIPS 19 Location: 41.493137 N, 94.123661 W ZIP Codes (1990): 50072 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Earlham, IA Earlham