Glenwood, IA -- U.S. city in Iowa Population (2000): 5358 Housing Units (2000): 1946 Land area (2000): 2.591317 sq. miles (6.711480 sq. km) Water area (2000): 0.009815 sq. miles (0.025420 sq. km) Total area (2000): 2.601132 sq. miles (6.736900 sq. km) FIPS code: 31350 Located within: Iowa (IA), FIPS 19 Location: 41.045581 N, 95.742371 W ZIP Codes (1990): 51534 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Glenwood, IA Glenwood