“Northern Virginia” is a sub-area of both the Commonwealth of Virginia, and the Washington DC metropolitan area. It borders Maryland and Washington DC along the Potomac River, and is found at the northeastern reaches of Virginia (see map). This region also is referred to as Virginia’s planning district #8.
With a geographic area of approximately 1,304 square miles, Northern Virginia is home to over two million residents. NVRC maintains a significant repository of data on the region’s demographics and other characteristics.