Davidson -- U.S. County in Tennessee Population (2000): 569891 Housing Units (2000): 252977 Land area (2000): 502.264612 sq. miles (1300.859318 sq. km) Water area (2000): 23.848686 sq. miles (61.767811 sq. km) Total area (2000): 526.113298 sq. miles (1362.627129 sq. km) Located within: Tennessee (TN), FIPS 47 Location: 36.156595 N, 86.765764 W Headwords: Davidson Davidson, TN Davidson County Davidson County, TN