'Campbell County, VA' definitions:

Campbell -- U.S. County in Virginia

From: Gazetteer 2000
Name :
Campbell -- U.S. County in Virginia
Population (2000) :
51078
Housing Units (2000) :
22088
Land area (2000) :
504.482263 sq. miles (1306.603008 sq. km)
Water area (2000) :
2.779659 sq. miles (7.199283 sq. km)
Total area (2000) :
507.261922 sq. miles (1313.802291 sq. km)
Located within :
Virginia (VA), FIPS 51
Location :
37.222607 N, 79.138002 W