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Fairfax County, officially the County of Fairfax, is located in the
Commonwealth A commonwealth is a traditional English term for a political community founded for the common good In philosophy Philosophy (from , ) is the study of general and fundamental questions, such as those about reason, Metaphysics, existenc ...
of
Virginia Virginia (), officially the Commonwealth of Virginia, is a in the and regions of the , between the and the . The geography and climate of the are shaped by the and the , which provide habitat for much of its flora and fauna. The capit ...

Virginia
in the United States. Part of
Northern Virginia Northern Virginia, locally referred to as NOVA or NoVA, comprises several County (United States), counties and independent city (United States), independent cities in the Commonwealth (U.S. state), Commonwealth of Virginia in the United States. It ...

Northern Virginia
, Fairfax County borders both the City of
Alexandria Alexandria ( or ; ar, الإسكندرية ; arz, اسكندرية ; : Rakodī; el, Αλεξάνδρεια ''Alexandria'') is the in after and , in , and a major economic centre. With a total population of 5,200,000, Alexandria is the ...

Alexandria
and
Arlington County Arlington County is a county A county is a geographical region of a country used for administrative or other purposesChambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The ter ...
and forms part of the suburban ring of Washington, D.C. The county is thus predominantly
suburb A suburb (or suburban area or suburbia) is a , or . It can exist either as part of a city/urban area and can often have a large degree of employment. In some metropolitan areas they exist as separate residential communities within distan ...
an in character, with some
urban Urban means "related to a city". In that sense, the term may refer to: * Urban area, geographical area distinct from rural areas * Urban culture, the culture of towns and cities. Urban may also refer to: General * Urban (name), a list of people ...
and
rural File:Rural landscape in Finland.jpg, A rural landscape in Lappeenranta, South Karelia, Finland. 15 July 2000. In general, a rural area or a countryside is a geographic area that is located outside towns and city, cities. The Health Resources an ...

rural
pockets. As of the 2020 census, the population was 1,150,309, making it the Commonwealth's most populous jurisdiction, with around 13% of Virginia's population. The county is also the most populous jurisdiction in the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area, with around 20% of the MSA population, as well as the larger Washington-Baltimore-Arlington, DC-MD-VA-WV-PA Combined Statistical Area, with around 13% of the CSA population. The
county seat A county seat is an administrative centerAn administrative centre is a seat of regional administration or local government Local government is a generic term for the lowest tiers of public administration within a particular sovereign state. Th ...
is Fairfax, although because it is an
independent city An independent city or independent town is a city or town that does not form part of another general-purpose local government entity (such as a province). Historical precursors In the Holy Roman Empire The Holy Roman Empire ( la, Sacrum Imp ...

independent city
under Virginia law, the city of Fairfax is not part of Fairfax County. Fairfax was the first U.S. county to reach a six-figure median household income and has the third- highest median household income of any county-level local jurisdiction in the United States after neighboring
Loudoun County Loudoun County () is located in the northern part of the Commonwealth (U.S. state), Commonwealth of Virginia in the United States. In 2019, the population was estimated at 413,538, making it Virginia's third-most populous county. Loudoun County' ...
. The county is home to the headquarters of
intelligence agencies An intelligence agency is a government agency responsible for the collection, Intelligence analysis, analysis, and exploitation of information in support of law enforcement, national security, military, and foreign policy objectives. Means of inf ...
such as the
Central Intelligence Agency The Central Intelligence Agency (CIA; ), known informally as the Agency and the Company, is a civilian foreign intelligence service of the federal government of the United States The federal government of the United States (U.S. fed ...
,
National Geospatial-Intelligence Agency The National Geospatial-Intelligence Agency (NGA) is a combat support agency within the United States Department of Defense whose primary mission is collecting, analyzing, and distributing geospatial intelligence (GEOINT) in support of national s ...

National Geospatial-Intelligence Agency
, and
National Reconnaissance Office The National Reconnaissance Office (NRO) is a member of the United States Intelligence Community and an agency of the United States Department of Defense The United States Department of Defense (DoD, USDOD or DOD) is an United States feder ...
, as well as the
National Counterterrorism Center The National Counterterrorism Center (NCTC) is a United States government organization responsible for national and international counterterrorism Counter-terrorism (also spelled counterterrorism), also known as anti-terrorism, incorpora ...
and
Office of the Director of National Intelligence The director of national intelligence (DNI) is a United States government The federal government of the United States (U.S. federal government) is the national government of the United States The United States of America (USA), ...
. The county is also home to seven
Fortune 500 The ''Fortune'' 500 is an annual list compiled and published by ''Fortune Fortune may refer to: General * Fortuna or Fortune, the Roman goddess of luck * Luck, a chance happening, or that which happens beyond a person's controls * Wealth, an ab ...
companies, including three in the
Falls Church Falls Church is an independent city in the Commonwealth of Virginia Virginia (), officially the Commonwealth of Virginia, is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic and Southeastern United States, Southeast ...
area; although not located in the independent municipality of Falls Church.


History

At the time of first European encounter, the inhabitants of what would become Fairfax County were an
Algonquian Algonquin or Algonquian—and the variation Algonki(a)n—may refer to: Indigenous peoples *Algonquian languages, a large subfamily of Native American languages in a wide swath of eastern North America from Canada to Virginia **Algonquin languag ...
-speaking sub-group called the '' Taux'', also known as the Doeg or Dogue. Their villages, as recorded by
Captain John Smith John Smith (baptized 6 January 1580 – 21 June 1631) was an English soldier, explorer, colonial governor, Admiral of New England New England is a region comprising six states in the Northeastern United States The Northeastern United ...

Captain John Smith
in 1608, included ''Namassingakent'' and ''Nemaroughquand'' on the south bank of the
Potomac River The Potomac River () is found within the Mid-AtlanticMid-Atlantic or Mid Atlantic can refer to: *The middle of the Atlantic Ocean *Mid-Atlantic English, a mix between British English and American English *Mid-Atlantic Region (Little League World ...

Potomac River
in what is now Fairfax County. Virginian colonists from the
Northern Neck The Northern Neck is the northernmost of three peninsula A peninsula ( la, paeninsula from ' "almost" and ' "island") is a landform surrounded by water on most of its border while being connected to a mainland from which it extends. The surrou ...
region drove the Doeg out of this area and into
Maryland Maryland ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware a ...

Maryland
by 1670. Fairfax County was formed in 1742 from the northern part of
Prince William County Prince William County is located on the Potomac River in the Commonwealth (U.S. state), Commonwealth of Virginia in the United States. As of the 2010 United States Census, 2010 census, the population was 402,002, on July 1, 2019, the population ...
. It was named after
Thomas Fairfax, 6th Lord Fairfax of Cameron Thomas Fairfax, 6th Lord Fairfax of Cameron (22 October 16939 December 1781) was a Scottish peer. He was the son of Thomas Fairfax, 5th Lord Fairfax of Cameron, and Catherine Colepeper, daughter of Thomas Colepeper, 2nd Baron Colepeper. The on ...
(1693–1781), proprietor of the
Northern Neck The Northern Neck is the northernmost of three peninsula A peninsula ( la, paeninsula from ' "almost" and ' "island") is a landform surrounded by water on most of its border while being connected to a mainland from which it extends. The surrou ...
. The Fairfax family name is derived from the Old English phrase for "
blond Blond or fair hair, also blonde, is a hair color Hair color is the pigmentation of hair follicles due to two types of melanin: eumelanin and pheomelanin. Generally, if more melanin is present, the color of the hair is darker; if less melanin ...

blond
hair" – ''Fæger-feax''. The oldest settlements in Fairfax County were along the Potomac River.
George Washington George Washington (February 22, 1732, 1799) was an American soldier, statesman, and Founding Fathers of the United States, Founding Father who served as the first President of the United States from 1789 to 1797. Appointed by the Continenta ...

George Washington
settled in Fairfax County and built his home,
Mount Vernon Mount Vernon is an American landmark and former plantation of George Washington, the first President of the United States The president of the United States (POTUS) is the head of state and head of government of the United States of Ame ...
, facing the river.
Gunston Hall Gunston Hall is an 18th-century Georgian architecture, Georgian Plantation house in the Southern United States, mansion near the Potomac River in Mason Neck, Virginia, Mason Neck, Virginia, United States. Built between 1755 and 1759 as the main ...

Gunston Hall
, the home of
George Mason George Mason IV (October 7, 1792) was an American planter, politician and delegate to the U.S. Constitutional Convention The Constitutional Convention (contemporarily known as the Federal Convention, the Philadelphia Convention, or the Gran ...

George Mason
is nearby. Modern
Fort Belvoir Fort Belvoir is a United States Army installation and a census-designated place (CDP) in Fairfax County, Virginia, United States. It was developed on the site of the former Belvoir (plantation), Belvoir plantation, seat of the prominent Lord Fai ...
is partly on the estate of Belvoir Manor, built along the Potomac by William Fairfax in 1741.
Thomas Fairfax, 6th Lord Fairfax of Cameron Thomas Fairfax, 6th Lord Fairfax of Cameron (22 October 16939 December 1781) was a Scottish peer. He was the son of Thomas Fairfax, 5th Lord Fairfax of Cameron, and Catherine Colepeper, daughter of Thomas Colepeper, 2nd Baron Colepeper. The on ...
, the only member of the British nobility ever to reside in the colonies, lived at Belvoir before he moved to the
Shenandoah Valley The Shenandoah Valley () is a geographic valley A valley is an elongated low area often running between hills or mountains, which will typically contain a river or stream running from one end to the other. Most valleys are formed by ...

Shenandoah Valley
. The Belvoir mansion and several of its outbuildings were destroyed by fire immediately after the
Revolutionary WarRevolutionary War(s) may refer to: * American Revolutionary War (1775–1783), the armed conflict between Great Britain and 13 of its North American colonies, which had declared themselves the independent United States of America * French Revolution ...
in 1783, and George Washington noted the plantation complex deteriorated into ruins. In 1757, the northwestern two-thirds of Fairfax County became
Loudoun County Loudoun County () is located in the northern part of the Commonwealth (U.S. state), Commonwealth of Virginia in the United States. In 2019, the population was estimated at 413,538, making it Virginia's third-most populous county. Loudoun County' ...
. In 1789, part of Fairfax County was ceded to the federal government to form Alexandria County of the
District of Columbia ) , image_skyline = , image_caption = Clockwise from top left: the and on the , , , , , storefronts in , , image_flag = Flag of the District of Columbia.svg , image_seal = Seal ...

District of Columbia
. Alexandria County was returned to Virginia in 1846, reduced in size by the secession of the
independent city An independent city or independent town is a city or town that does not form part of another general-purpose local government entity (such as a province). Historical precursors In the Holy Roman Empire The Holy Roman Empire ( la, Sacrum Imp ...

independent city
of
Alexandria Alexandria ( or ; ar, الإسكندرية ; arz, اسكندرية ; : Rakodī; el, Αλεξάνδρεια ''Alexandria'') is the in after and , in , and a major economic centre. With a total population of 5,200,000, Alexandria is the ...

Alexandria
in 1870, and renamed
Arlington County Arlington County is a county A county is a geographical region of a country used for administrative or other purposesChambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The ter ...
in 1920. The Fairfax County town of
Falls Church Falls Church is an independent city in the Commonwealth of Virginia Virginia (), officially the Commonwealth of Virginia, is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic and Southeastern United States, Southeast ...
became an independent city in 1948. The Fairfax County town of Fairfax became an independent city in 1961. Located near Washington, D.C., Fairfax County was an important region in the
Civil War A civil war, also known as an intrastate war in polemology, is a war between organized groups within the same Sovereign state, state (or country). The aim of one side may be to take control of the country or a region, to achieve independenc ...
. The
Battle of Chantilly The Battle of Chantilly (or Ox Hill, the Confederate name) took place on September 1, 1862, in Fairfax County, Virginia Fairfax County, officially the County of Fairfax, is located in the Commonwealth of Virginia Virginia (), officially ...
or Ox Hill, during the same campaign as the
second Battle of Bull Run The Second Battle of Bull Run or Battle of Second Manassas was fought August 29–30, 1862, in Prince William County, Virginia Prince William County is located on the Potomac River The Potomac River () is found within the Mid-Atlantic ...

second Battle of Bull Run
, was fought within the county; Bull Run is the border between Fairfax and Prince William Counties. Other areas of activity included Minor's Hill,
Munson's HillMunson's Hill is a geographic eminence located in eastern Fairfax County, Virginia. Its summit rises to above sea level. Location and name Munson's Hill is located at . The hill is adjacent to Upton's Hill (410 ft) on its north. It is lo ...
, and
Upton's Hill Upton's Hill is a geographic eminence located in western Arlington County, Virginia Arlington County is a County (United States), county in the Commonwealth of Virginia, often referred to simply as Arlington or Arlington, Virginia. The county i ...
, on the county's eastern border, overlooking Washington, D.C. The federal government's growth during and after
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a that lasted from 1939 to 1945. It involved —including all of the great powers—forming two opposing s: the and the . In a total war directly involving m ...
spurred rapid growth in the county and made the county increasingly suburban. Other large businesses continued to settle in Fairfax County and the opening of
Tysons Corner Center Tysons Corner Center, located in the unincorporated area of Tysons, Virginia, Tysons in Fairfax County, Virginia, United States (between McLean, Virginia, McLean and Vienna, Virginia, Vienna, Virginia), opened to the public in 1968, becoming one of ...
spurred the rise of Tysons Corner. The technology boom and a steady government-driven economy also created rapid growth and an increasingly growing and diverse population. The economy has also made Fairfax County one of the nation's wealthiest counties. A general aviation airport located along
U.S. Route 50 U.S. Route 50 or U.S. Highway 50 (US 50) is a major east–west route of the U.S. Highway system, stretching from Interstate 80 (I-80) in West Sacramento, California, to Maryland Route 528 (MD 528) in Ocean City, Maryland, on the Atlanti ...

U.S. Route 50
, west of Seven Corners called the Falls Church Airpark operated in the county from 1948 to 1960. The facility's 2,650 foot unpaved runway was used extensively by private pilots and civil defense officials. Residential development, multiple accidents, and the demand for retail space led to its closure in 1960.Freeman, Paul "Falls Church Airpark, Falls Church, VA" ''Abandoned & Little-Known Airfields''. Retrieved March 19, 201

/ref>Rollo, Vera (2003) ''Virginia Airports : A Historical Survey of Airports and Aviation From the Earliest Days''. Richmond, VA: Virginia Aviation Historical Societ


Geography

According to the United States Census Bureau, U.S. Census Bureau, the county has a total area of , of which is land and (3.8%) is water. Fairfax County is bounded on the north and southeast by the
Potomac River The Potomac River () is found within the Mid-AtlanticMid-Atlantic or Mid Atlantic can refer to: *The middle of the Atlantic Ocean *Mid-Atlantic English, a mix between British English and American English *Mid-Atlantic Region (Little League World ...

Potomac River
. Across the river to the northeast is
Washington, D.C. ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument The Washington Monument is an obelisk within the National Mall The National Mall is a Landscape architecture, landscaped ...
, across the river to the north is
Montgomery County, Maryland , website = , named_for = Richard Montgomery Richard Montgomery (December 2, 1738 – December 31, 1775) was an Irish soldier A soldier is one who fights as part of a military A mili ...
, and across the river to the southeast are
Prince George's County, Maryland Prince George's County (often shortened to PG County) is a located in the of , bordering the eastern portion of As of the , the population was 863,420, making it the second-most populous , behind . The 2020 census counted 967,201 residents, an i ...
and
Charles County, Maryland Charles County is a county in Southern Maryland. As of the 2010 United States Census, 2010 census, the population was 146,551. The county seat is La Plata, Maryland, La Plata. The county was named for Charles Calvert, 3rd Baron Baltimore, Charle ...
. The county is partially bounded on the north and east by
Arlington County Arlington County is a county A county is a geographical region of a country used for administrative or other purposesChambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The ter ...
and the independent cities of
Alexandria Alexandria ( or ; ar, الإسكندرية ; arz, اسكندرية ; : Rakodī; el, Αλεξάνδρεια ''Alexandria'') is the in after and , in , and a major economic centre. With a total population of 5,200,000, Alexandria is the ...

Alexandria
and
Falls Church Falls Church is an independent city in the Commonwealth of Virginia Virginia (), officially the Commonwealth of Virginia, is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic and Southeastern United States, Southeast ...
. It is bounded on the west by
Loudoun County Loudoun County () is located in the northern part of the Commonwealth (U.S. state), Commonwealth of Virginia in the United States. In 2019, the population was estimated at 413,538, making it Virginia's third-most populous county. Loudoun County' ...
, and on the south by
Prince William County Prince William County is located on the Potomac River in the Commonwealth (U.S. state), Commonwealth of Virginia in the United States. As of the 2010 United States Census, 2010 census, the population was 402,002, on July 1, 2019, the population ...
. Most of the county lies in the
Piedmont Piedmont ( ; it, Piemonte, ; , , and frp, Piemont, , , french: Piémont) is a region in northwest , one of the . It borders the region to the south, the and regions to the east and the region to the northwest; it also borders to the northe ...
region, with rolling hills and deep stream valleys such as Difficult Run and its tributaries. West of Route 28, the hills give way to a flat, gentle valley which stretches west to the
Bull Run Mountains The Bull Run Mountains are a mountain range of the Blue Ridge Mountains in northern Virginia Virginia (), officially the Commonwealth of Virginia, is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic and Southeastern ...
in Loudoun County. Elevations in the county range from near sea level along the tidal sections of the Potomac River in the southeast portion of the county to more than 500 feet (150 m) in the Tysons Corner area.


Adjacent jurisdictions


Geology

The Piedmont hills in the central county are made up of ancient metamorphic rocks such as
schist Schist ( ) is a medium-grained metamorphic rock showing pronounced schistosity. This means that the rock is composed of mineral In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid chemical compound with a fair ...

schist
, the roots of several ancestral ranges of the Appalachians. The western valley is floored with more recent
shale Shale is a fine-grained, clastic of a clast (sand grain), derived from a basalt Basalt (, ) is a fine-grained extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron ('' mafic '' lava) ...

shale
and
sandstone Sandstone is a clastic sedimentary rock of a clast (sand grain), derived from a basalt Basalt (, ) is a fine-grained extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron ('' mafic ' ...

sandstone
. This geology is similar to adjacent bands of rocks in
Maryland Maryland ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware a ...

Maryland
and further south in
Virginia Virginia (), officially the Commonwealth of Virginia, is a in the and regions of the , between the and the . The geography and climate of the are shaped by the and the , which provide habitat for much of its flora and fauna. The capit ...

Virginia
along the eastern front of the Appalachians. An area of of the county is known to be underlain with natural
asbestos Asbestos (pronounced: or ) is a naturally occurring fibrous silicate mineral Silicate minerals are rock-forming mineral In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid chemical compound with a fair ...
. Much of the asbestos is known to emanate from fibrous
tremolite Tremolite is a member of the amphibole Amphibole () is a group of inosilicate Silicate minerals are rock-forming minerals made up of silicate groups. They are the largest and most important class of minerals and make up approximately 90 per ...

tremolite
or
actinolite Actinolite is an amphibole Amphibole () is a group of Silicate minerals, inosilicate minerals, forming prism or needlelike crystals, composed of double chain tetrahedron, tetrahedra, linked at the vertices and generally containing ions of ir ...

actinolite
. The threat was discovered in 1987, prompting the county to establish laws to monitor air quality at construction sites, control soil taken from affected areas, and require freshly developed sites to lay of clean, stable material over the ground. For instance, during the construction of Centreville High School a large amount of asbestos-laden soil was removed and then trucked to Vienna for the construction of the I-66/Nutley Street interchange. Fill dirt then had to be trucked in to make the site level.
Marine clay Marine clay is a type of clay Clay is a type of fine-grained natural soil File:Stagnogley.JPG, Surface-water-Gley soil, gley developed in glacial till, Northern Ireland. Soil is a mixture of organic matter, minerals, gases, liquids, and ...
s can be found in widespread areas of the county east of Interstate 95, mostly in the Lee and Mount Vernon districts. These clays contribute to soil instability, leading to significant construction challenges for builders.


Government and politics

Fairfax County uses the urban county executive form of government, which county voters approved in a 1966 referendum. Under the urban county executive plan, the county is governed by the 10-member
Fairfax County Board of Supervisors The Fairfax County Board of Supervisors, sometimes abbreviated as FCBOS, is the governing body of Fairfax County; a county of over a million in Northern Virginia Northern Virginia, locally referred to as NOVA or NoVA, comprises several County (Un ...

Fairfax County Board of Supervisors
with the day-to-day running of the county tasked to the appointed Fairfax County executive. Nine of the board members are elected from the single-member districts of Braddock, Dranesville, Hunter Mill, Lee, Mason, Mount Vernon, Providence, Springfield, and Sully, while the chairman is elected at-large. In addition to the Board of Supervisors, three constitutional officers; the
Commonwealth's attorney In the United States The United States of America (USA), commonly known as the United States (U.S. or US), or America, is a country Contiguous United States, primarily located in North America. It consists of 50 U.S. state, states, a Was ...
, clerk of the Circuit Court and
sheriff A sheriff is a government official, with varying duties, existing in some countries with historical ties to England where the office originated. There is an analogous although independently developed office in Iceland that is commonly translated ...
, as well as the 12 members of the Fairfax County School Board, are directly elected by the voters of Fairfax County. The
Fairfax County Government Center The Fairfax County Government Center is the headquarters for the Fairfax County, Virginia local government. Located west of the Fairfax, Virginia, City of Fairfax in an unincorporated area of the County, it is the meeting place of the Fairfax County ...
is west of the City of Fairfax in an
unincorporated area Sign at Heinola, an unincorporated community in Otter Tail County, Minnesota.">Minnesota.html" ;"title="Otter Tail County, Minnesota">Otter Tail County, Minnesota. An unincorporated area is a region not governed by a local municipal corporat ...
. Fairfax County contains an
exclave An enclave is a territory (or a part of one) that is entirely surrounded by the territory of one other state. Enclaves may also exist within territorial waters. ''Enclave'' is sometimes used improperly to denote a territory that is only partly ...

exclave
unincorporated area Sign at Heinola, an unincorporated community in Otter Tail County, Minnesota.">Minnesota.html" ;"title="Otter Tail County, Minnesota">Otter Tail County, Minnesota. An unincorporated area is a region not governed by a local municipal corporat ...
in the central business district of the City of Fairfax, in which many county facilities (including the courthouses and jail) are located.Fairfax city, Virginia
." ''
U.S. Census Bureau The United States Census Bureau (USCB), officially the Bureau of the Census, is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy. The Census Bureau is part of th ...
''. Retrieved on April 4, 2009.
Fairfax County General District Court
." ''Fairfax County''. Retrieved on April 4, 2009.
Fairfax County was once considered a
Republican Republican can refer to: Political ideology * An advocate of a republic, a type of government that is not a monarchy or dictatorship, and is usually associated with the rule of law. ** Republicanism, the ideology in support of republics or against ...
bastion. However, in recent years Democrats have made significant inroads, gaining control of the Board of Supervisors and the School Board (officially nonpartisan) as well as the offices of
sheriff A sheriff is a government official, with varying duties, existing in some countries with historical ties to England where the office originated. There is an analogous although independently developed office in Iceland that is commonly translated ...

sheriff
and
Commonwealth attorney In the United States, a district attorney (DA), state's attorney or state attorney is the chief prosecutor representing a U.S. state in a local government area, typically a County (United States), county. The exact name and scope of the office v ...
. Democrats also hold all of the Fairfax seats in the
Virginia House of Delegates The Virginia House of Delegates is one of the two parts of the Virginia General Assembly, the other being the Senate of Virginia. It has 100 members elected for terms of two years; unlike most states, these elections take place during odd-numbe ...
and every seat in the
Senate The Curia Julia in the Roman Forum ">Roman_Forum.html" ;"title="Curia Julia in the Roman Forum">Curia Julia in the Roman Forum A senate is a deliberative assembly, often the upper house or Debating chamber, chamber of a bicameral legislatu ...
. Fairfax County encompasses portions of three
congressional districts Congressional districts, also known as electoral districts, legislative districts, wards and electorates in other nations, are divisions of a larger administrative region that represent the population of a region in the larger congressional body. N ...

congressional districts
, the 8th District, the 10th District, and the 11th District. Democrats represent all three districts with Jennifer Wexton representing the 10th District,
Don Beyer Donald Sternoff Beyer Jr. (; born June 20, 1950), is an American businessman, diplomat and politician serving as the U.S. Representative for since 2015. A member of the Democratic Party, his district is located in the heart of Northern Virgini ...
representing the 8th District, and
Gerry Connolly Gerald Edward Connolly (born March 30, 1950) is an American politician serving as the United States Representative The United States House of Representatives is the lower house of the United States Congress The United States Cong ...
representing the 11th District. Communities closer to Washington, D.C., generally favor Democrats by a larger margin than outlying communities. In elections in 2000, 2001, and 2005, Fairfax County supported Democrats for U.S. Senate and governor. In United States presidential election in Virginia, 2004, 2004, Democratic presidential nominee John Kerry won the county, becoming the first Democrat to do so since Lyndon B. Johnson in his 1964 landslide (the last time Democrats carried the state until United States presidential election in Virginia, 2008, 2008). Kerry defeated George W. Bush in the county 53% to 46%. Democratic gubernatorial candidate Tim Kaine carried Fairfax County with over 60% of the vote in Virginia gubernatorial election, 2005, 2005, helping him to win 51.7% of votes statewide. In United States Senate election in Virginia, 2006, 2006, U.S. Senate candidate Jim Webb (D) carried the county with 58.9% of the votes, while winning the statewide election. In the state and local elections of November 2007, Fairfax Democrats picked up one seat in the Virginia House of Delegates, House of Delegates, two seats in the
Senate The Curia Julia in the Roman Forum ">Roman_Forum.html" ;"title="Curia Julia in the Roman Forum">Curia Julia in the Roman Forum A senate is a deliberative assembly, often the upper house or Debating chamber, chamber of a bicameral legislatu ...
, and one seat on the Board of Supervisors, making their majority there 8–2. On November 4, 2008, Fairfax County continued its shift towards the Democrats, with Barack Obama and Mark Warner each garnering over 60% of the vote for president and U.S. Senate, respectively. Also, the Fairfax-anchored 11th District United States House of Representatives seat held by Thomas M. Davis for 14 years was won by
Gerry Connolly Gerald Edward Connolly (born March 30, 1950) is an American politician serving as the United States Representative The United States House of Representatives is the lower house of the United States Congress The United States Cong ...
, the Democratic Chairman of the Fairfax County Board of Supervisors. Braddock supervisor Sharon Bulova won a special election on February 3, 2009 to succeed
Gerry Connolly Gerald Edward Connolly (born March 30, 1950) is an American politician serving as the United States Representative The United States House of Representatives is the lower house of the United States Congress The United States Cong ...
as chairman of the Board of Supervisors, continuing a Democratic hold on the office that dates to 1995. Delegate David Marsden won a special election on January 12, 2010 to succeed Ken Cuccinelli in the 37th State Senate district. Following this election, Fairfax County is now represented in the Virginia State Senate by an all-Democratic delegation. In the United States House of Representatives elections in Virginia, 2010, 2010 congressional elections, Republican challenger Keith Fimian nearly defeated Democratic incumbent Gerry Connolly in Virginia's 11th congressional district election, 2010, the election for the 11th District seat, but Connolly won by 981 votes out of over 225,000 cast (a margin of 0.4%). Jim Moran and Frank Wolf were re-elected by margins of 61%–37% and 63%–35%, respectively. In 2012, Fairfax County solidly backed Barack Obama for re-election as president, with Obama nearly equaling his 2008 performance thereby winning the county 59.6% to 39.1%. Former Governor Tim Kaine, running for the U.S. Senate in 2012, carried Fairfax County with 61% percent of the vote as part of his statewide victory. Representatives Connolly (D), Moran (D), and Wolf (R) were also reelected. Although Republican governor Bob McDonnell won Fairfax County with 51% in November 2009, the Republican resurgence in Fairfax was short-lived. Four years later, in the Virginia elections, 2013, November 2013 election, Democratic gubernatorial candidate Terry McAuliffe won Fairfax County with 58% of the vote, defeating incumbent state Attorney General and former Republican state senator from Fairfax, Ken Cuccinelli. McAuliffe's running mates, Ralph Northam and Mark Herring, also carried Fairfax County in their respective bids for Lieutenant Governor of Virginia, lieutenant governor and Attorney General of Virginia, attorney general. These Democratic victories mirrored the Democratic ticket's sweep of the state's three executive offices for the first time since 1989. In the 2016 general election, Fairfax continued its trend towards Democratic candidates. Congressmen Beyer (D) and Connolly (D) were reelected, the latter of whom ran unopposed. Further, Fairfax County supported Hillary Clinton with 64.4% of the vote to Trump's 28.6%, exemplifying a heavy swing towards Democrats across Northern Virginia. In 2020, Democratic presidential nominee Joe Biden won the county with 69.89% of the vote, the best percentage for a Democrat in the county since 1916.


Demographics

As of 2010, there were 1,081,726 people, 350,714 households, and 250,409 families residing in the county. The population density was 2,455 people per square mile (948/km2). There were 359,411 housing units at an average density of 910 per square mile (351/km2). The ethnic makeup of the county was: The largest ancestry groups were: In 2000, there were 350,714 households, of which 36.30% had children under the age of 18 living with them, 59.40% were married couples living together, 8.60% had a female householder with no husband present, and 28.60% were non-families. 21.40% of all households were made up of individuals, and 4.80% had someone living alone who was 65 years of age or older. The average household size was 2.74 and the average family size was 3.20. The age distribution was 25.40% under the age of 18, 7.50% from 18 to 24, 33.90% from 25 to 44, 25.30% from 45 to 64, and 7.90% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 98.60 males. For every 100 females age 18 and over, there were 96.20 males. The median income for a household in the county was $81,050, and the median income for a family was $92,146; in a 2007 estimate, these figures rose to $102,460 and $120,804, respectively. Males had a median income of $60,503 versus $41,802 for females. The per capita income for the county was $36,888. About 3.00% of families and 4.50% of the population were below the poverty line, including 5.20% of those under age 18 and 4.00% of those age 65 or over. A more recent report from the 2007 American Community Survey indicated that poverty in Fairfax County, Virginia had risen to 4.9%. Judged by household median income, Fairfax County is among the Highest income counties in the United States, highest-income counties in the country, and was first on that list for many years. However, in the 2000 census it was overtaken by Douglas County, Colorado. According to U.S. Census Bureau estimates for 2005, it had the second-highest median household income behind neighboring Loudoun County, at $94,610. In 2007, Fairfax County reclaimed its position as the richest county in America, in addition to becoming the first county in American history to have a median household income in excess of $100,000, though not the first jurisdiction.
United Way of the National Capital Area – Fairfax/Falls Church Retrieved September 26, 2010
In 2008, Loudoun County reclaimed the first position, with Fairfax County a statistically insignificant second. In 2012, the median household income in Fairfax County was $108,439. Fairfax County males have the highest life expectancy in the nation at 81.1 years, while females had the eighth-highest at 83.8 years.


Education

The county is served by the Fairfax County Public Schools system, to which the county government allocates 52.2% of its fiscal budget. Including state and federal government contributions, along with citizen and corporate contributions, this brings the 2008 fiscal budget for the school system to $2.2 billion. The school system has estimated that, based on the 2008 fiscal year budget, the county will be spending $13,407 on each student. The Fairfax County Public School system contains the Thomas Jefferson High School for Science and Technology, a Virginia Governor's School. TJHSST consistently ranks at or near the top of all United States high schools due to the extraordinary number of National Merit Semi-Finalists and Finalists, the high average SAT scores of its students, and the number of students who annually perform nationally recognized research in the sciences and engineering. However, as a Governor's School, TJHSST draws students not only from Fairfax County, but also Arlington County, Virginia, Arlington, Loudoun County, Virginia, Loudoun, Fauquier County, Virginia, Fauquier, and Prince William County, Virginia, Prince William counties, as well as the City of Falls Church, Virginia, City of Falls Church. Fairfax County is also home to many Catholic elementary and middle schools. The schools fall under the Roman Catholic Diocese of Arlington. The Oakcrest School (McLean, Virginia), Oakcrest School is a Catholic school in Fairfax County, which is not run by the Diocese. Paul VI Catholic High School is the Diocese run Catholic High School for Fairfax County. George Mason University is located just outside the city of Fairfax, near the geographic center of Fairfax County. Northern Virginia Community College (NVCC) serves Fairfax County with campuses in Annandale, Virginia, Annandale and Springfield, Virginia, Springfield a center in Reston, Virginia, Reston which is a satellite branch of the Loudoun campus. The NVCC
Alexandria Alexandria ( or ; ar, الإسكندرية ; arz, اسكندرية ; : Rakodī; el, Αλεξάνδρεια ''Alexandria'') is the in after and , in , and a major economic centre. With a total population of 5,200,000, Alexandria is the ...

Alexandria
campus borders Fairfax County. The University of Fairfax is also headquartered in Vienna, Virginia. Virginia Commonwealth University's VCU School of Medicine, School of Medicine recently constructed a medical campus wing at Inova Fairfax Hospital in order to allow third and fourth year medical students to study at other state-of-the-art facilities in the
Northern Virginia Northern Virginia, locally referred to as NOVA or NoVA, comprises several County (United States), counties and independent city (United States), independent cities in the Commonwealth (U.S. state), Commonwealth of Virginia in the United States. It ...

Northern Virginia
region.


Economy

Fairfax County's economy revolves around professional services and technology. Many residents work for the government or for contractors of the federal government. The government is the largest employer, with
Fort Belvoir Fort Belvoir is a United States Army installation and a census-designated place (CDP) in Fairfax County, Virginia, United States. It was developed on the site of the former Belvoir (plantation), Belvoir plantation, seat of the prominent Lord Fai ...
in southern Fairfax being the county's single largest location of federal employment. Fairfax County has a gross county product of about $95 billion. Fairfax County also is home to major employers such as Volkswagen Group of America, Hilton Hotels Corporation, Hilton Worldwide, CSC (formerly Computer Sciences Corporation), Northrop Grumman, Science Applications International Corporation, Science Applications International Corporation (SAIC), Leidos, Booz Allen Hamilton, Gannett, Capital One, General Dynamics, ICF International, Freddie Mac, SLM Corporation, Sallie Mae, ManTech International, Mars, Incorporated, Mars, NII Holdings, NII and NVR (homebuilding company), NVR. The county is home to seven
Fortune 500 The ''Fortune'' 500 is an annual list compiled and published by ''Fortune Fortune may refer to: General * Fortuna or Fortune, the Roman goddess of luck * Luck, a chance happening, or that which happens beyond a person's controls * Wealth, an ab ...
company headquarters, 11 Hispanic 500 companies, and five companies on the Black Enterprise 500 list. Northrop Grumman announced in 2010 that it would move its corporate headquarters from Los Angeles to Fairfax County. The county's economy is supported by the Fairfax County Economic Development Authority, which provides services and information to promote Fairfax County as a leading business and technology center. The FCEDA is the nation's largest non-state economic development authority. Fairfax County is also home to the Northern Virginia Technology Council, a trade association for local technology companies. It is the nation's largest technology council, with technology industry figures such as Bill Gates and Meg Whitman speaking at various local banquets. Fairfax County has a higher concentration of high-tech workers than Silicon Valley.


Tysons

The Tysons, Virginia, Tysons CDP of Fairfax County is Virginia's largest office market and the nation's largest suburban business district with of office space. It is the country's 12th-largest business district, and is expected to grow substantially in the coming decades. It contains a quarter of the county's total office space inventory, which was at year-end 2006, which is about the size of Lower Manhattan. The area is noted by Forbes as "often described as the place where the Internet was invented, but today it looks increasingly like the center of the global military-industrial complex" due to being home to the nation's first Internet service provider, ISPs (many of whom are now defunct), while attracting numerous defense contractors who have relocated from other states to or near Tysons Corner. Every weekday, Tysons draws over 100,000 workers from around the region. It also draws 55,000 shoppers every weekday as it is home to neighboring super-regional malls
Tysons Corner Center Tysons Corner Center, located in the unincorporated area of Tysons, Virginia, Tysons in Fairfax County, Virginia, United States (between McLean, Virginia, McLean and Vienna, Virginia, Vienna, Virginia), opened to the public in 1968, becoming one of ...
and Tysons Galleria. In comparison, Washington, D.C., draws 15 million visitors annually, or the equivalent of 62,500 per weekday. After years of stalling and controversy, the $5.2 billion expansion of the Washington Metro Silver Line (Washington Metro), Silver Line in Virginia from Washington, D.C., to Washington Dulles International Airport, Dulles International Airport received funding approval from the Federal Transit Administration in December 2008. The Silver Line added four stations in Tysons, including Tysons Corner (WMATA station), a station between Tysons Corner Center and Tysons Galleria. Along with the expansion of Washington Metro, Fairfax County government has a plan to "urbanize" the Tysons area. The plan calls for a private-public partnership and a grid-like street system to make Tysons a more urban environment, tripling available housing to allow more workers to live near their work. The goal is to have 95% of Tysons Corner within from a metro station.


Employment

Fairfax County's average weekly wage during the first quarter of 2005 was $1,181, which is 52% more than the national average. By comparison, the average weekly wage was $1,286 for Arlington County, Virginia, Arlington – the Washington metropolitan area's highest – $1,277 for Washington, D.C., and $775 for the United States as a whole. The types of jobs available in the area make it very attractive to highly educated workers. The relatively high wages may be partially due to the area's high cost of living. In early 2005, Fairfax County had 553,107 total jobs, up from 372,792 in 1990. In the area, this is second to Washington's 658,505 jobs in 2005 (down from 668,532 in 1990). As of the 2002 Economic Census, Fairfax County has the largest professional, scientific, and technical service sector in the Washington, D.C., area – in terms of the number of business establishments; total sales, shipments, and receipts; payrolls; and number of employees – exceeding the next largest, Washington, D.C., by roughly a quarter overall, and double that of neighboring Montgomery County.


Top employers

According to the county's 2016 Comprehensive Annual Financial Report, the county's largest employers are:


Arts and culture

Annual festivals include the "Celebrate Fairfax!" festival held in June at the Fairfax County Government Center in Fairfax City, the Northern Virginia Fine Arts Festival held in May at the Reston Town Center in Reston, Virginia, Reston, and the International Children's Festival at Wolf Trap, International Children's Festival held in September at the Wolf Trap National Park for the Performing Arts, which features a performing arts center outside the town of Vienna. Fairfax County supports a summer concert series held in multiple venues throughout the county on various nights. The concert series are called Arts in the Parks, Braddock Nights, Lee District Nights, Mt. Vernon Nights, Nottoway Nights, Spotlight by Starlight, Sounds of Summer and Starlight Cinema. EagleBank Arena (originally the Patriot Center), on the Fairfax campus of George Mason University just outside the Fairfax, Virginia, City of Fairfax, hosts concerts and shows. The nearby Center for the Arts at George Mason is a major year-round arts venue, and the Workhouse Arts Center in Lorton, Virginia includes studios for artists, event facilities for performing groups, and gallery exhibitions in addition to hosting the annual Clifton Film Festival. Smaller local art venues include: *Alden Theater at the McLean Community Center *ArtSpace Herndon *Center Stage at the Reston Community Center *Greater Reston Arts Center *James Lee Community Center Theater *Vienna Arts Society


Transportation


Roads

Several major highways run through Fairfax County, including the Capital Beltway (Interstate 495), Interstate 66, Interstate 95 in Virginia, Interstate 95, and Interstate 395 (Virginia–District of Columbia), Interstate 395. The American Legion Memorial Bridge (Potomac River), American Legion Bridge connects Fairfax to Montgomery County, Maryland. The George Washington Memorial Parkway, Dulles Toll Road, and Fairfax County Parkway are also major arteries. Other notable roads include Braddock Road (Northern Virginia), Braddock Road, Virginia State Route 644 (Fairfax County), Old Keene Mill Road, Little River Turnpike, State Routes State Route 7 (Virginia), 7, State Route 28 (Virginia), 28, and State Route 123 (Virginia), 123, and U.S. Routes U.S. Route 1 in Virginia, 1, U.S. Route 29 in Virginia, 29, and U.S. Route 50 in Virginia, 50. The county is in the Washington, D.C., metro area, the nation's third most congested area.
Northern Virginia, including Fairfax County, is the third worst congested traffic area in the nation, in terms of percentage of congested roadways and time spent in traffic. Of the lane miles in the region, 44 percent are rated "F" or worst for congestion. Northern Virginia residents spend an average of 46 hours a year stuck in traffic.


Major highways


Air

Washington Dulles International Airport lies partly within Fairfax County and provides most air service to the county. Fairfax is also served by two other airports in the Washington area, Ronald Reagan Washington National Airport and Baltimore-Washington International Thurgood Marshall Airport. Manassas Regional Airport, in neighboring
Prince William County Prince William County is located on the Potomac River in the Commonwealth (U.S. state), Commonwealth of Virginia in the United States. As of the 2010 United States Census, 2010 census, the population was 402,002, on July 1, 2019, the population ...
, is also used for regional cargo and private jet service. From 1945 to 1961, the eastern part of Fairfax County hosted Falls Church Airpark, an airfield primarily used for general aviation and civil defense purposes until encroaching residential development forced its closure.Bredemeler, Brandon (November 9, 1970) "At 95 Former Va. Realtor Still Donates to Build Park" ''The Washington Post'', page C1 The area formerly occupied by the airport is now mainly used as a shopping center with the western end of the complex occupied by the Thomas Jefferson branch of the Fairfax County Public Library system. Parts of several apartment complexes are also located on some of the airport's former grounds.


Public transportation

Fairfax County has multiple public transportation services, including the Washington Metro's Orange Line (Washington Metro), Orange, Blue Line (Washington Metro), Blue, Yellow Line (Washington Metro), Yellow, and Silver Line (Washington Metro), Silver lines. The Silver line, which runs through the Tysons, Virginia, Tysons and Reston, Virginia, Reston areas of the county, opened in 2014 as the first new Washington Metro line since the Green Line (Washington Metro), Green Line opened in 1991. An extension of the Silver line east through Herndon, Virginia, Herndon into
Loudoun County Loudoun County () is located in the northern part of the Commonwealth (U.S. state), Commonwealth of Virginia in the United States. In 2019, the population was estimated at 413,538, making it Virginia's third-most populous county. Loudoun County' ...
is anticipated to begin operating sometime in 2022. In addition, the Virginia Railway Express, VRE (Virginia Railway Express) provides commuter rail service to Union Station (WMATA station), Union Station in Washington, D.C., with stations in Fairfax County. The VRE's Fairfax County stations are Lorton (VRE station), Lorton and Franconia/Springfield (VRE station), Franconia/Springfield on the Fredericksburg, Virginia, Fredericksburg line, and Burke Centre (VRE station), Burke Centre, Rolling Road (VRE station), Rolling Road, and Backlick Road (VRE station), Backlick Road on the Manassas, Virginia, Manassas line. Fairfax County contracts its bus service called the Fairfax Connector to Transdev. The county also is served by WMATA's Metrobus service.


Parks and recreation

The county has many protected areas, a total of over 390 county parks on more than . The Fairfax County Park Authority maintains parks and recreation centers through the county. There are also two national protected areas that are inside the county at least in part, including the Elizabeth Hartwell Mason Neck National Wildlife Refuge, the George Washington Memorial Parkway, and Wolf Trap National Park for the Performing Arts. The Mason Neck State Park is also in Lorton, Virginia, Lorton. Fairfax County is member of the Northern Virginia Regional Park Authority. The Reston Zoo is in Reston, Virginia. The National Zoological Park (United States), National Zoo is located nearby in Washington, D.C.


Trails

The county maintains many miles of bike trails running through parks, adjacent to roads and through towns such as Vienna and Herndon. The Washington & Old Dominion Railroad Trail runs through Fairfax County, offering one of the region's best, and safest, routes for recreational walking and biking. In addition, nine miles (14 km) of the Mount Vernon Trail runs through Fairfax County along the Potomac River. However, compared to other regions of the Washington area, Fairfax County has a dearth of designated bike lanes for cyclists wishing to commute in the region. On May 16, 2008, Bike-to-Work Day, the Fairfax County Department of Transportation released the first countywide bicycle route map. The Gerry Connolly Cross County Trail, Fairfax Cross County Trail runs from Great Falls National Park in the county's northern end to Occoquan Regional Park in the southern end. Consisting of mostly dirt paths and short asphalt sections, the trail is used mostly by recreational mountain bikers, hikers, and horse riders.


Communities

Three incorporated towns, Clifton, Virginia, Clifton, Herndon, Virginia, Herndon, and Vienna, Virginia, Vienna, are located entirely within Fairfax County. The Independent city (United States)#Virginia, independent cities of
Falls Church Falls Church is an independent city in the Commonwealth of Virginia Virginia (), officially the Commonwealth of Virginia, is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic and Southeastern United States, Southeast ...
and Fairfax were formed out of areas formerly under the jurisdiction of Fairfax County, but are politically separate, despite the City of Fairfax being the
county seat A county seat is an administrative centerAn administrative centre is a seat of regional administration or local government Local government is a generic term for the lowest tiers of public administration within a particular sovereign state. Th ...
. Nevertheless, the Postal Service has long considered several portions of Fairfax County to be unincorporated Falls Church and Fairfax City. Several portions of the county also have
Alexandria Alexandria ( or ; ar, الإسكندرية ; arz, اسكندرية ; : Rakodī; el, Αλεξάνδρεια ''Alexandria'') is the in after and , in , and a major economic centre. With a total population of 5,200,000, Alexandria is the ...

Alexandria
mailing addresses; in this case, many locals refer to these neighborhoods collectively as "South Alexandria", "Lower Alexandria", or "Alexandria, Fairfax County." "South Alexandria" communities include Hollin Hills, Franconia, Groveton, Hybla Valley, Huntington, Belle Haven, Mount Vernon, Fort Hunt, Engleside, Burgundy Village, Waynewood, Wilton Woods, Rose Hill, Virginia Hills, Hayfield, and Kingstowne. It has been proposed to convert the entire county into a single independent city, primarily to gain more control over taxes and roads. The most recent such proposal was made June 30, 2009. Other communities within Fairfax County are unincorporated areas. Virginia law dictates that no unincorporated area of a county may be incorporated as a separate town or city following the adoption of the urban county executive form of government. Fairfax County adopted the urban county executive form of government in 1966. As of the United States Census, 2000, 2000 census, the thirteen largest communities of Fairfax County are all unincorporated census-designated place, CDPs, the largest of which are Centreville, Virginia, Centreville, Reston, Virginia, Reston, and McLean, Virginia, McLean, each with a population exceeding 45,000. (The largest incorporated place in the county is the town of Herndon, Virginia, Herndon, its fourteenth-largest community.)


Census-designated places

The following localities within Fairfax County are identified by the U.S. Census Bureau as (unincorporated area, unincorporated) Census-designated places: * Annandale, Virginia, Annandale * Bailey's Crossroads, Virginia, Bailey's Crossroads * Belle Haven, Fairfax County, Virginia, Belle Haven * Braddock, Virginia, Braddock * Bull Run, Fairfax County, Virginia, Bull Run * Burke, Virginia, Burke * Burke Centre, Virginia, Burke Centre * Centreville, Virginia, Centreville * Chantilly, Virginia, Chantilly * Crosspointe, Virginia, Crosspointe * Difficult Run, Virginia, Difficult Run * Dranesville, Virginia, Dranesville * Dunn Loring, Virginia, Dunn Loring * Fair Lakes, Virginia, Fair Lakes * Fair Oaks, Fairfax County, Virginia, Fair Oaks * Fairfax Station, Virginia, Fairfax Station * Floris, Virginia, Floris * Fort Belvoir, Virginia, Fort Belvoir * Fort Hunt, Virginia, Fort Hunt * Franconia, Virginia, Franconia * Franklin Farm, Virginia, Franklin Farm * George Mason, Virginia, George Mason * Great Falls, Virginia, Great Falls * Great Falls Crossing, Virginia, Great Falls Crossing * Greenbriar, Virginia, Greenbriar * Groveton, Virginia, Groveton * Hayfield, Fairfax County, Virginia, Hayfield * Huntington, Virginia, Huntington * Hutchison, Virginia, Hutchison * Hybla Valley, Virginia, Hybla Valley * Idylwood, Virginia, Idylwood * Kings Park, Virginia, Kings Park * Kings Park West, Virginia, Kings Park West * Kingstowne, Virginia, Kingstowne * Lake Barcroft, Virginia, Lake Barcroft * Laurel Hill, Virginia, Laurel Hill * Lincolnia, Virginia, Lincolnia * Long Branch, Fairfax County, Virginia, Long Branch * Lorton, Virginia, Lorton * Mantua, Virginia, Mantua * Mason Neck, Virginia, Mason Neck * McLean, Virginia, McLean * McNair, Virginia, McNair * Merrifield, Virginia, Merrifield * Mount Vernon, Virginia, Mount Vernon * Navy, Virginia, Navy * Newington, Virginia, Newington * Newington Forest, Virginia, Newington Forest * North Springfield, Virginia, North Springfield * Oakton, Virginia, Oakton * Pimmit Hills, Virginia, Pimmit Hills * Ravensworth, Virginia, Ravensworth * Reston, Virginia, Reston * Rose Hill, Fairfax County, Virginia, Rose Hill * Seven Corners * South Run, Virginia, South Run * Springfield, Virginia, Springfield * Sully Square, Virginia, Sully Square * Tysons, Virginia, Tysons * Union Mill, Virginia, Union Mill * Wakefield, Fairfax County, Virginia, Wakefield * West Falls Church, Virginia, West Falls Church * West Springfield, Virginia, West Springfield * Wolf Trap, Virginia, Wolf Trap * Woodburn, Fairfax County, Virginia, Woodburn * Woodlawn, Fairfax County, Virginia, Woodlawn


Other unincorporated communities


Population ranking

The population ranking of the following table is based on 2020 United States Census Bureau data. † ''county seat''


Notable people


Sister cities

Fairfax County's Sister city, sister cities are: * Songpa District, Songpa (Seoul), South Korea (2009) * Harbin, China (2009) * Keçiören, Keçiören (Ankara), Turkey (2012)


See also

* Fairfax County Chamber of Commerce * Fairfax County Economic Development Authority * Fairfax County Fire and Rescue Department * Fairfax County Police Department * Fairfax County Sheriff's Office * List of companies headquartered in Northern Virginia * List of federal agencies in Northern Virginia * National Register of Historic Places listings in Fairfax County, Virginia


Notes


External links

;Official Fairfax County sites
Fairfax County Government website

Fairfax County Public Schools

Fairfax County Public Library System

Property lookup database
from the Fairfax County Department of Tax Administration ;Other websites *
Festival information
for Celebrate Fairfax!
Fairfax County Economic Development Authority



Tourism information
from the Fairfax County Convention and Visitors Corporation * * {{Authority control Fairfax County, Virginia, Virginia counties Northern Virginia counties Virginia counties on the Potomac River Washington metropolitan area Populated places established in 1742 1742 establishments in Virginia