Clarion, IA -- U.S. city in Iowa Population (2000): 2968 Housing Units (2000): 1355 Land area (2000): 2.744095 sq. miles (7.107172 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 2.744095 sq. miles (7.107172 sq. km) FIPS code: 13620 Located within: Iowa (IA), FIPS 19 Location: 42.731112 N, 93.731095 W ZIP Codes (1990): 50525 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Clarion, IA Clarion