Floyd -- U.S. County in Iowa Population (2000): 16900 Housing Units (2000): 7317 Land area (2000): 500.564812 sq. miles (1296.456856 sq. km) Water area (2000): 0.744190 sq. miles (1.927442 sq. km) Total area (2000): 501.309002 sq. miles (1298.384298 sq. km) Located within: Iowa (IA), FIPS 19 Location: 43.071481 N, 92.781146 W Headwords: Floyd Floyd, IA Floyd County Floyd County, IA