Perry -- U.S. County in Missouri Population (2000): 18132 Housing Units (2000): 7815 Land area (2000): 474.667621 sq. miles (1229.383442 sq. km) Water area (2000): 9.608941 sq. miles (24.887043 sq. km) Total area (2000): 484.276562 sq. miles (1254.270485 sq. km) Located within: Missouri (MO), FIPS 29 Location: 37.709917 N, 89.837773 W Headwords: Perry Perry, MO Perry County Perry County, MO