Montgomery -- U.S. County in Virginia Population (2000): 83629 Housing Units (2000): 32527 Land area (2000): 388.218661 sq. miles (1005.481673 sq. km) Water area (2000): 1.206401 sq. miles (3.124565 sq. km) Total area (2000): 389.425062 sq. miles (1008.606238 sq. km) Located within: Virginia (VA), FIPS 51 Location: 37.173588 N, 80.395328 W Headwords: Montgomery Montgomery, VA Montgomery County Montgomery County, VA