The City of Fairfax, colloquially known as Fairfax City, Downtown Fairfax, Old Town Fairfax, or Fairfax Courthouse, is an independent city in the Commonwealth of Virginia in the United States. As of the 2010 census the population was 22,565, which had risen to an estimated 24,574 as of 2018. The City of Fairfax is an enclave surrounded by the separate political entity Fairfax County. Fairfax City also contains an exclave of Fairfax County, the Fairfax County Court Complex. The City of Fairfax and the area immediately surrounding the historical border of the City of Fairfax, collectively designated by Fairfax County as “Fairfax”, comprise the county seat of Fairfax County. The city is part of the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area as well as a part of Northern Virginia.
The former Fairfax County Courthouse is the oldest historic building in Fairfax. The first Fairfax courthouse was established in 1742 near present-day Tyson’s Corner, and is the namesake for Old Courthouse Road. The oldest two-story building in the city, built in 1873, the Fairfax Public School for $2,750. In addition to elementary school use the building has also housed special education, adult education, and police academy training. On July 4, 1992, the building became the Fairfax Museum and Visitor Center. Joseph Edward Willard built the town hall building in 1900 then gifted it to the then town in 1902. The Old Town Hall now houses the Huddleston Library and the Fairfax Art League.