Linn -- U.S. County in Missouri Population (2000): 13754 Housing Units (2000): 6554 Land area (2000): 620.351868 sq. miles (1606.703893 sq. km) Water area (2000): 1.111314 sq. miles (2.878291 sq. km) Total area (2000): 621.463182 sq. miles (1609.582184 sq. km) Located within: Missouri (MO), FIPS 29 Location: 39.833088 N, 93.086909 W Headwords: Linn Linn, MO Linn County Linn County, MO