Fairfax County, officially the County of Fairfax, is located in the Commonwealth of Virginia in the United States. Part of Northern Virginia, Fairfax County borders both the City of Alexandria and Arlington County and forms part of the suburban ring of Washington, D.C. Wikipedia
Area: 1,052 km²
Population: 1.146 million (2019)
Congressional districts: 8th, 10th, 11th
Colleges and Universities: George Mason University, MORE
Points of interest: George Washington’s Mount Vernon, MORE
Sales tax: 1%