Adair -- U.S. County in Iowa Population (2000): 8243 Housing Units (2000): 3690 Land area (2000): 569.302176 sq. miles (1474.485803 sq. km) Water area (2000): 1.003807 sq. miles (2.599847 sq. km) Total area (2000): 570.305983 sq. miles (1477.085650 sq. km) Located within: Iowa (IA), FIPS 19 Location: 41.345508 N, 94.471930 W Headwords: Adair Adair, IA Adair County Adair County, IA