Ridgetop, TN -- U.S. city in Tennessee Population (2000): 1083 Housing Units (2000): 399 Land area (2000): 1.596640 sq. miles (4.135278 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.596640 sq. miles (4.135278 sq. km) FIPS code: 63140 Located within: Tennessee (TN), FIPS 47 Location: 36.396306 N, 86.772654 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Ridgetop, TN Ridgetop