The City of Fairfax is an independent city forming an enclave within the confines of Fairfax County, in the Commonwealth of Virginia. Although politically independent of the surrounding county, the City is nevertheless the county seat.
Situated in the Northern Virginia region, Fairfax forms part of the Washington Metropolitan Area. The Bureau of Economic Analysis combines Fairfax and the city of Falls Church with Fairfax County for statistical purposes.
The population was 22,565 as of the 2010 Census. Many surrounding communities and developments have a Fairfax postal mailing address.