Cannon -- U.S. County in Tennessee Population (2000): 12826 Housing Units (2000): 5420 Land area (2000): 265.643433 sq. miles (688.013305 sq. km) Water area (2000): 0.063764 sq. miles (0.165149 sq. km) Total area (2000): 265.707197 sq. miles (688.178454 sq. km) Located within: Tennessee (TN), FIPS 47 Location: 35.811388 N, 86.064304 W Headwords: Cannon Cannon, TN Cannon County Cannon County, TN