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Fairfax County, officially the County of Fairfax, is a
county A county is a geographic region of a country used for administrative or other purposes Chambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...
in the
Commonwealth A commonwealth is a traditional English term for a political community founded for the common good. Historically, it has been synonymous with "republic". The noun "commonwealth", meaning "public welfare, general good or advantage", dates from the ...
of
Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth are ...
. It is part of Northern Virginia and borders both the city of
Alexandria Alexandria ( or ; ar, ٱلْإِسْكَنْدَرِيَّةُ ; grc-gre, Αλεξάνδρεια, Alexándria) is the second largest city in Egypt, and the largest city on the Mediterranean coast. Founded in by Alexander the Great, Alexandri ...
and Arlington County and forms part of the suburban ring of Washington, D.C. The county is predominantly
suburb A suburb (more broadly suburban area) is an area within a metropolitan area, which may include commercial and mixed-use, that is primarily a residential area. A suburb can exist either as part of a larger city/urban area or as a separ ...
an in character with some urban and
rural In general, a rural area or a countryside is a geographic area that is located outside towns and cities. Typical rural areas have a low population density and small settlements. Agricultural areas and areas with forestry typically are de ...
pockets. As of the 2020 census, the population was 1,150,309, making it Virginia's most populous jurisdiction, with around 13% of the Commonwealth'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 center, seat of government, or capital city of a county or civil parish. The term is in use in Canada, China, Hungary, Romania, Taiwan, and the United States. The equivalent term shire town is used in the US ...
is Fairfax, although because it is an 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 U.S. Fairfax County, as part of the
Washington, D.C. metropolitan area The Washington metropolitan area, also commonly referred to as the National Capital Region, is the metropolitan area centered on Washington, D.C. The metropolitan area includes all of Washington, D.C. and parts of the states of Maryland, Virgin ...
, is usually included atop or near the top of lists of the wealthiest areas in the United States. The county is home to the headquarters of several intelligence agencies such as the
Central Intelligence Agency The Central Intelligence Agency (CIA ), known informally as the Agency and historically as the Company, is a civilian foreign intelligence service of the federal government of the United States, officially tasked with gathering, processing, ...
,
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 natio ...
, National Reconnaissance Office, National Counterterrorism Center, and Office of the Director of National Intelligence as well as the headquarters of several aerospace manufacturing and defense industry giants. The county is also home to the flagship campus of George Mason University, and headquarters to seven ''Fortune'' 500 companies, including three in the
Falls Church Falls Church is an independent city in the Commonwealth of Virginia. As of the 2020 census, the population was 14,658. Falls Church is included in the Washington metropolitan area. Taking its name from The Falls Church, an 18th-century Churc ...
area, though not 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-speaking subgroup called the '' Taux'', also known as the Doeg or Dogue. Their villages, as recorded by Captain John Smith in 1608, included ''Namassingakent'' and ''Nemaroughquand'' on the south bank of the
Potomac River The Potomac River () drains the Mid-Atlantic United States, flowing from the Potomac Highlands into Chesapeake Bay. It is long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map. Retrieved Augu ...
in what is now Fairfax County. Virginian colonists from the Northern Neck region drove the Doeg out of this area and into
Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean t ...
by 1670. Fairfax County was formed in 1742 from the northern part of Prince William County. It was named after Thomas Fairfax, 6th Lord Fairfax of Cameron (1693–1781), proprietor of the Northern Neck. The Fairfax family name is derived from the Old English phrase for "
blond Blond (male) or blonde (female), also referred to as fair hair, is a hair color characterized by low levels of the dark pigment eumelanin. The resultant visible hue depends on various factors, but always has some yellowish color. The color ...
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 military officer, statesman, and Founding Father who served as the first president of the United States from 1789 to 1797. Appointed by the Continental Congress as commander of ...
settled in Fairfax County and built his home, Mount Vernon, facing the river. Gunston Hall, the home of George Mason, is nearby. Modern Fort Belvoir is partly on the estate of Belvoir Manor, built along the Potomac by William Fairfax in 1741. Thomas Fairfax, the only member of the British nobility ever to reside in the colonies, lived at Belvoir before moving to the
Shenandoah Valley The Shenandoah Valley () is a geographic valley and cultural region of western Virginia and the Eastern Panhandle of West Virginia. The valley is bounded to the east by the Blue Ridge Mountains, to the west by the eastern front of the Ridg ...
. The Belvoir mansion and several of its outbuildings were destroyed by fire immediately after the Revolutionary War in 1783, and
George Washington George Washington (February 22, 1732, 1799) was an American military officer, statesman, and Founding Father who served as the first president of the United States from 1789 to 1797. Appointed by the Continental Congress as commander of ...
noted the plantation complex deteriorated into ruins. In 1757, the northwestern two-thirds of Fairfax County became 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 Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle (Washington, D.C.), Logan Circle, Jefferson Memoria ...
. Alexandria County was returned to Virginia in 1846, reduced in size by the secession of the independent city of
Alexandria Alexandria ( or ; ar, ٱلْإِسْكَنْدَرِيَّةُ ; grc-gre, Αλεξάνδρεια, Alexándria) is the second largest city in Egypt, and the largest city on the Mediterranean coast. Founded in by Alexander the Great, Alexandri ...
in 1870, and renamed Arlington County in 1920. The Fairfax County town of
Falls Church Falls Church is an independent city in the Commonwealth of Virginia. As of the 2020 census, the population was 14,658. Falls Church is included in the Washington metropolitan area. Taking its name from The Falls Church, an 18th-century Churc ...
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 or intrastate war is a war between organized groups within the same state (or country). The aim of one side may be to take control of the country or a region, to achieve independence for a region, or to change government polici ...
. The Battle of Chantilly 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 28–30, 1862, in Prince William County, Virginia, as part of the American Civil War. It was the culmination of the Northern Virginia Campaign waged by Confedera ...
, was fought within the county; Bull Run is the border between Fairfax and Prince William Counties. Other areas of activity included
Minor's Hill Minor's Hill is a geographic eminence located in the western tip of Arlington County, Virginia. Its summit rises to 459 feet (139 meters) above sea level which makes it the highest point in the county. The hill is named after a man named George M ...
,
Munson's Hill Munson'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 ...
, and Upton's Hill, 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 world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
spurred rapid growth in the county and made it increasingly suburban. Other large businesses continued to settle in Fairfax County and the opening of Tysons Corner Center spurred the rise of Tysons Corner. The technology boom and a steady government-driven economy also created rapid growth and an increasingly large and diverse population. The economy has also made Fairfax County one of the nation's wealthiest counties. A general aviation airport along 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 an 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 () drains the Mid-Atlantic United States, flowing from the Potomac Highlands into Chesapeake Bay. It is long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map. Retrieved Augu ...
. Across the river to the northeast is Washington, D.C., across the river to the north is
Montgomery County, Maryland Montgomery County is the most populous county in the state of Maryland. As of the 2020 census, the county's population was 1,062,061, increasing by 9.3% from 2010. The county seat and largest municipality is Rockville, although the census-design ...
, and across the river to the southeast are Prince George's County, Maryland and
Charles County, Maryland Charles County is a county in Southern Maryland. As of the 2020 census, the population was 166,617. The county seat is La Plata. The county was named for Charles Calvert (1637–1715), third Baron Baltimore. Charles County is part of the W ...
. The county is partially bounded on the north and east by Arlington County and the independent cities of
Alexandria Alexandria ( or ; ar, ٱلْإِسْكَنْدَرِيَّةُ ; grc-gre, Αλεξάνδρεια, Alexándria) is the second largest city in Egypt, and the largest city on the Mediterranean coast. Founded in by Alexander the Great, Alexandri ...
and
Falls Church Falls Church is an independent city in the Commonwealth of Virginia. As of the 2020 census, the population was 14,658. Falls Church is included in the Washington metropolitan area. Taking its name from The Falls Church, an 18th-century Churc ...
. It is bounded on the west by Loudoun County, and on the south by Prince William County. Most of the county lies in the
Piedmont it, Piemontese , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = , demographics1_footnotes = , demographics1_title1 = , demographics1_info1 = , demographics1_title2 ...
region, with rolling hills and deep stream valleys such as Difficult Run and its tributaries. West of
Route 28 Highway 28 may refer to: Australia * Cumberland Highway * Mountain Highway (Victoria) * - NT Canada * Alberta Highway 28 * British Columbia Highway 28 * Nova Scotia Trunk 28 * Ontario Highway 28 * Saskatchewan Highway 28 China Taiwan * Prov ...
, the hills give way to a flat, gentle valley that stretches west to the Bull Run Mountains 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 grains easily seen with a low-power hand lens, oriented in such a way that the rock is easily split into thin flakes ...
, the roots of several ancestral ranges of the Appalachians. The western valley is floored with more recent shale and
sandstone Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicat ...
. This geology is similar to adjacent bands of rocks in
Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean t ...
and further south in
Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth are ...
along the eastern front of the Appalachians. An area of of the county is known to be underlain with natural
asbestos Asbestos () is a naturally occurring fibrous silicate mineral. There are six types, all of which are composed of long and thin fibrous crystals, each fibre being composed of many microscopic "fibrils" that can be released into the atmosphere b ...
. Much of the asbestos is known to emanate from fibrous
tremolite Tremolite is a member of the amphibole group of silicate minerals with composition: Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2. Tremolite forms by metamorphism of sediments rich in dolomite and quartz. Tremolite forms a series with actinolite and fe ...
or 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 clays 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 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, Franconia, Hunter Mill, 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, 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 transla ...
—and 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 City of Fairfax in an unincorporated area of the county, it is the meeting place of the Fairfax County Board of Supervi ...
is west of the City of Fairfax in an
unincorporated area An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either hav ...
. Fairfax County contains an
exclave An enclave is a territory (or a small territory apart of a larger one) that is entirely surrounded by the territory of one other state or entity. Enclaves may also exist within territorial waters. ''Enclave'' is sometimes used improperly to deno ...
unincorporated area An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either hav ...
in the City of Fairfax's central business district, where many county facilities (including the courthouses and jail) are. Fairfax County was once considered a Republican bastion, but 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 transla ...
and
Commonwealth attorney In the United States, a district attorney (DA), county attorney, state's attorney, prosecuting attorney, commonwealth's attorney, or state attorney is the chief prosecutor and/or chief law enforcement officer representing a U.S. state in a ...
. Democrats also hold all 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-number ...
and every seat in the
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
. Fairfax County encompasses parts of three
congressional districts Congressional districts, also known as electoral districts and legislative districts, electorates, or wards in other nations, are divisions of a larger administrative region that represent the population of a region in the larger congressional bod ...
, the 8th District, the 10th District, and the 11th District. Democrats represent all three districts, with Jennifer Wexton representing the 10th, Don Beyer representing the 8th, and
Gerry Connolly Gerald Edward Connolly (born March 30, 1950) is an American politician serving as the U.S. representative for Virginia's 11th congressional district, first elected in 2008. The district is anchored in Fairfax County, an affluent suburban cou ...
representing the 11th. 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
2004 2004 was designated as an International Year of Rice by the United Nations, and the International Year to Commemorate the Struggle Against Slavery and its Abolition (by UNESCO). Events January * January 3 – Flash Airlines Flight ...
, Democratic presidential nominee
John Kerry John Forbes Kerry (born December 11, 1943) is an American attorney, politician and diplomat who currently serves as the first United States special presidential envoy for climate. A member of the Forbes family and the Democratic Party, he ...
won the county, becoming the first Democrat to do so since Lyndon B. Johnson in 1964 (the last time Democrats carried the state until
2008 File:2008 Events Collage.png, From left, clockwise: Lehman Brothers went bankrupt following the Subprime mortgage crisis; Cyclone Nargis killed more than 138,000 in Myanmar; A scene from the opening ceremony of the 2008 Summer Olympics in Beijing; ...
). 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
2005 File:2005 Events Collage V2.png, From top left, clockwise: Hurricane Katrina in the Gulf of Mexico; the Funeral of Pope John Paul II is held in Vatican City; " Me at the zoo", the first video ever to be uploaded to YouTube; Eris was discover ...
, helping him win 51.7% of the statewide vote. In
2006 File:2006 Events Collage V1.png, From top left, clockwise: The 2006 Winter Olympics open in Turin; Twitter is founded and launched by Jack Dorsey; The Nintendo Wii is released; Montenegro votes to declare independence from Serbia; The 2006 ...
, U.S. Senate candidate Jim Webb carried the county with 58.9% of the vote while winning the statewide election. In the state and local elections of November 2007, Fairfax Democrats picked up one seat in the House of Delegates, two seats in the
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
, 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 Barack Hussein Obama II ( ; born August 4, 1961) is an American politician who served as the 44th president of the United States from 2009 to 2017. A member of the Democratic Party (United States), Democratic Party, Obama was the first Af ...
and
Mark Warner Mark Robert Warner (born December 15, 1954) is an American businessman and politician serving as the senior United States senator from Virginia, a seat he has held since 2009. A member of the Democratic Party, Warner served as the 69th gov ...
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 Thomas Milburn Davis III (born January 5, 1949) is an American lobbyist and former Republican member of the United States House of Representatives who represented Virginia's 11th congressional district in Northern Virginia. Davis was consideri ...
for 14 years was won by
Gerry Connolly Gerald Edward Connolly (born March 30, 1950) is an American politician serving as the U.S. representative for Virginia's 11th congressional district, first elected in 2008. The district is anchored in Fairfax County, an affluent suburban cou ...
, the Democratic chairman of the Fairfax County Board of Supervisors. Braddock supervisor
Sharon Bulova Sharon Schuster Bulova is an American politician who was chairman of the Fairfax County Board of Supervisors in Virginia. A Democrat, she was first elected chairman in a special election on February 3, 2009. Bulova was reelected in 2011 and a ...
won a special election on February 3, 2009, to succeed Connolly 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. Fairfax County is now represented in the Virginia State Senate by an all-Democratic delegation. In the 2010 congressional elections, Republican challenger Keith Fimian nearly won the election for the 11th District seat, losing to Connolly by 981 votes out of over 225,000 cast (a margin of 0.4%). Jim Moran and Frank Wolf were reelected, 61%–37% and 63%–35%, respectively. In 2012, Fairfax County solidly backed Obama for reelection as president, as he nearly matched his 2008 performance, 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% of the vote as part of his statewide victory. Representatives Connolly, Moran, and Wolf were also reelected. Although Republican governor
Bob McDonnell Robert Francis McDonnell (born June 15, 1954) is an American attorney, businessman, politician, and former military officer who served as the 71st governor of Virginia from 2010 to 2014. His career ended after his corruption scandal and convi ...
won Fairfax County with 51% of the vote in 2009, the Republican resurgence in Fairfax was short-lived. In the 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 A lieutenant governor, lieutenant-governor, or vice governor is a high officer of state, whose precise role and rank vary by jurisdiction. Often a lieutenant governor is the deputy, or lieutenant, to or ranked under a governor — a "second-in-comm ...
and
attorney general In most common law jurisdictions, the attorney general or attorney-general (sometimes abbreviated AG or Atty.-Gen) is the main legal advisor to the government. The plural is attorneys general. In some jurisdictions, attorneys general also have exec ...
. 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. Representatives Beyer and Connolly were reelected, the latter unopposed. Fairfax County supported
Hillary Clinton Hillary Diane Rodham Clinton ( Rodham; born October 26, 1947) is an American politician, diplomat, and former lawyer who served as the 67th United States Secretary of State for President Barack Obama from 2009 to 2013, as a United States sen ...
for president with 64.4% of the vote to
Donald Trump Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who served as the 45th president of the United States from 2017 to 2021. Trump graduated from the Wharton School of the University of P ...
's 28.6%, exemplifying a heavy swing toward 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


2020 census

''Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos can be of any race.''


2010 census

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 Per capita income (PCI) or total income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. It is calculated by dividing the area's total income by its total population. Per capita i ...
for the county was $36,888. About 3.00% of families and 4.50% of the population were below the
poverty line The poverty threshold, poverty limit, poverty line or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for ...
, 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 country, and was first on that list for many years. In the 2000 census, it was overtaken by Douglas County, Colorado. According to 2005 U.S. Census Bureau estimates, 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 over $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 top position, with Fairfax County a statistically insignificant second. In 2012, Fairfax County's median household income 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.


Education

The county is served by the Fairfax County Public Schools system, to which the county government allocates 52.2% of its budget. Including state and federal government contributions, along with citizen and corporate contributions, this brings the 2008 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 U.S. high schools due to the extraordinary number of National Merit Semifinalists and finalists, its students' high average SAT scores, and the number of students who annually perform nationally recognized research in the sciences and engineering. As a Governor's School, TJHSST draws students not only from Fairfax County, but also from Arlington, Loudoun, Fauquier, and Prince William counties, and the 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 is a Catholic school in Fairfax County, which is not run by the diocese. Paul VI Catholic High School is Fairfax County's diocese-run Catholic high school. George Mason University is just outside the city of Fairfax, near the geographic center of Fairfax County.
Northern Virginia Community College Northern Virginia Community College (NVCC; informally known as NOVA) is a public community college composed of six campuses and four centers in the Northern Virginia suburbs of Washington, D.C. Northern Virginia Community College is the third- ...
(NVCC) serves Fairfax County with campuses in Annandale and Springfield and a center in Reston that is a satellite branch of the Loudoun campus. The NVCC
Alexandria Alexandria ( or ; ar, ٱلْإِسْكَنْدَرِيَّةُ ; grc-gre, Αλεξάνδρεια, Alexándria) is the second largest city in Egypt, and the largest city on the Mediterranean coast. Founded in by Alexander the Great, Alexandri ...
campus borders Fairfax County. The
University of Fairfax The University of Fairfax is an institution of higher education headquartered in Salem, Virginia. It offers online graduate degrees (Masters and Doctorates) in cybersecurity, cloud computing, computer science and engineering, and business as we ...
is also headquartered in Vienna, Virginia.
Virginia Commonwealth University Virginia Commonwealth University (VCU) is a public research university in Richmond, Virginia. VCU was founded in 1838 as the medical department of Hampden–Sydney College, becoming the Medical College of Virginia in 1854. In 1968, the Virginia ...
's School of Medicine recently constructed a medical campus wing at
Inova Fairfax Hospital Inova Fairfax Medical Campus is the largest hospital campus in Northern Virginia and the flagship hospital of Inova Health System. Located in Woodburn in Fairfax County, Virginia, Inova Fairfax Hospital is one of the largest employers in the coun ...
in order to allow third- and fourth-year medical students to study at other state-of-the-art facilities in the Northern Virginia region.


Economy

Fairfax County's economy revolves around professional services and technology. Many residents work for the government or contractors of the federal government. The government is the largest employer, with Fort Belvoir in southern Fairfax the county's single largest source 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 Volkswagen Group of America, Inc. (sometimes referred to as Volkswagen of America, abbreviated to VWoA), is the North American operational headquarters, and subsidiary of the Volkswagen Group of automobile companies of Germany. VWoA is responsi ...
, Hilton Worldwide, DXC Technology (formerly
Computer Sciences Corporation Computer Sciences Corporation (CSC) was an American multinational corporation that provided information technology (IT) services and professional services. On April 3, 2017, it merged with the Enterprise Services line of business of HP Ente ...
),
Northrop Grumman Northrop Grumman Corporation is an American multinational aerospace and defense technology company. With 90,000 employees and an annual revenue in excess of $30 billion, it is one of the world's largest weapons manufacturers and military tech ...
, Science Applications International Corporation (SAIC),
Leidos Leidos, formerly known as Science Applications International Corporation (SAIC), is an American defense, aviation, information technology (Lockheed Martin IS&GS), and biomedical research company headquartered in Reston, Virginia, that provides ...
, Booz Allen Hamilton, Gannett, Capital One, General Dynamics, ICF International, Freddie Mac, Sallie Mae,
ManTech International ManTech International Corporation is an American defense contracting firm that was co-founded in 1968 by Franc Wertheimer and George J. Pedersen. The company uses technology to help government and industry clients. The company name "ManTech" is ...
,
Mars Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, only being larger than Mercury. In the English language, Mars is named for the Roman god of war. Mars is a terrestrial planet with a thin at ...
, NII and NVR. The county is home to seven ''Fortune'' 500 company headquarters, 11 Hispanic 500 companies, and five companies on the Black Enterprise 500 list. The county's economy is supported by the
Fairfax County Economic Development Authority The Fairfax County Economic Development Authority (FCEDA) is an independent authority in Fairfax County, Virginia, created under Virginia state law in 1964 and funded by Fairfax County government. The FCEDA exists to promote investment and busines ...
, 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 William Henry Gates III (born October 28, 1955) is an American business magnate and philanthropist. He is a co-founder of Microsoft, along with his late childhood friend Paul Allen. During his career at Microsoft, Gates held the positions ...
and Meg Whitman speaking at various local banquets. Fairfax County has a higher concentration of high-tech workers than
Silicon Valley Silicon Valley is a region in Northern California that serves as a global center for high technology and innovation. Located in the southern part of the San Francisco Bay Area, it corresponds roughly to the geographical areas San Mateo Cou ...
.


Tysons

The 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, about the size of Lower Manhattan.
Forbes ''Forbes'' () is an American business magazine owned by Integrated Whale Media Investments and the Forbes family. Published eight times a year, it features articles on finance, industry, investing, and marketing topics. ''Forbes'' also r ...
wrote that the area is "often described as the place where the
Internet The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a '' network of networks'' that consists of private, p ...
was invented, but today it looks increasingly like the center of the global military-industrial complex", because it is home to the nation's first ISPs (many now defunct) and attracts numerous defense contractors that 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 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 in Virginia from Washington, D.C., to Dulles International Airport was funded by the
Federal Transit Administration The Federal Transit Administration (FTA) is an agency within the United States Department of Transportation (DOT) that provides financial and technical assistance to local public transportation systems. The FTA is one of ten modal administratio ...
in December 2008. The Silver Line added four stations in Tysons, including
a station , known professionally as , is a Japanese actor, creative director, and writer. He appeared in a number of Japanese TV dramas, including '' Mei-chan no Shitsuji'', '' Hanazakari no Kimitachi e'' and '' Zettai Kareshi''. Additionally, he was well ...
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 workplaces. The goal is to have 95% of Tysons Corner within of a metro station.


Employment

Fairfax County's average weekly wage during the first quarter of 2005 was $1,181, 52% more than the national average. By comparison, the average weekly wage was $1,286 for Arlington—the Washington metropolitan area's highest—$1,277 for Washington, D.C., and $775 for the U.S. 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. The headquarters of the
Central Intelligence Agency The Central Intelligence Agency (CIA ), known informally as the Agency and historically as the Company, is a civilian foreign intelligence service of the federal government of the United States, officially tasked with gathering, processing, ...
(CIA) are in Langley, on Fairfax County's northeastern border.


Top employers

According to the county's 2021 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, and the
International Children's Festival The International Children’s Festival is a fair that showcases international cultures. Diplomatic embassies host booths about their country and culture intended to introduce children and their families to world geography, dress, and traditions th ...
held in September at the Wolf Trap National Park for the Performing Arts, which features a performing arts center outside 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 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 66 (I-66) is an east–west Interstate Highway in the eastern United States. It runs from an interchange with I-81 near Middletown, Virginia, on its western end to an interchange with U.S. Route 29 (US 29) in Washing ...
, Interstate 95, and Interstate 395. The 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, Old Keene Mill Road,
Little River Turnpike State Route 236 (SR 236) is a primary state highway in the U.S. state of Virginia. The state highway runs from U.S. Route 29 and US 50 in Fairfax east to SR 400 in Alexandria. SR 236 is a major suburban arterial highway that connects the inde ...
, State Routes 7, 28, and 123, and U.S. Routes 1, 29, and 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 Washington Dulles International Airport , typically referred to as Dulles International Airport, Dulles Airport, Washington Dulles, or simply Dulles ( ), is an international airport in the Eastern United States, located in Loudoun County and F ...
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 Manassas Regional Airport (Harry P. Davis Field) is five miles southwest of the center of Manassas. Manassas Regional Airport is the largest regional airport in Virginia, and it is located from Washington, D.C. History An airport for Manassas ...
, in neighboring Prince William County, 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 General aviation (GA) is defined by the International Civil Aviation Organization (ICAO) as all civil aviation aircraft operations with the exception of commercial air transport or aerial work, which is defined as specialized aviation services ...
and
civil defense Civil defense ( en, region=gb, civil defence) or civil protection is an effort to protect the citizens of a state (generally non-combatants) from man-made and natural disasters. It uses the principles of emergency operations: prevention, mit ...
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 the airport occupied 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 The Fairfax County Public Library (FCPL) is a public library system headquartered in Suite 324 of The Fairfax County Government Center in unincorporated Fairfax County, Virginia, United States. Hennen's American Public Library Ratings ...
system. Parts of several apartment complexes are also on some of the airport's former grounds.


Public transportation

Fairfax County has multiple public transportation services, including the Washington Metro's Orange,
Blue Blue is one of the three primary colours in the RYB colour model (traditional colour theory), as well as in the RGB (additive) colour model. It lies between violet and cyan on the spectrum of visible light. The eye perceives blue when ...
,
Yellow Yellow is the color between green and orange on the spectrum of light. It is evoked by light with a dominant wavelength of roughly 575585 nm. It is a primary color in subtractive color systems, used in painting or color printing. In th ...
, and
Silver Silver is a chemical element with the symbol Ag (from the Latin ', derived from the Proto-Indo-European ''h₂erǵ'': "shiny" or "white") and atomic number 47. A soft, white, lustrous transition metal, it exhibits the highest electrical ...
lines. The Silver line, which runs through the
Tysons Tysons, also known as Tysons Corner, is a census-designated place (CDP) in Fairfax County, Virginia, United States, developed from the corner of Chain Bridge Road ( SR 123) and the Leesburg Pike ( SR 7). Located in Northern Virginia between the c ...
, Reston, and Herndon areas of the county, opened in 2014, later extended in 2022, as the first new Washington Metro line since the Green Line opened in 1991. In addition, the VRE (Virginia Railway Express) provides commuter rail service to Union Station in Washington, D.C., with stations in Fairfax County. The VRE's Fairfax County stations are Lorton and Franconia/Springfield on the Fredericksburg line, and Burke Centre, Rolling Road, and Backlick Road on the Manassas line. Fairfax County contracts its bus service, the Fairfax Connector, to
Transdev Transdev, formerly Veolia Transdev, is a French-based international private-sector company which operates public transport. It has operations in 17 countries and territories as of November 2020. History The group was formed by the merger of ...
. The county is also served by
WMATA The Washington Metropolitan Area Transit Authority (WMATA ), commonly referred to as Metro, is a tri-jurisdictional government agency that operates transit service in the Washington metropolitan area. WMATA was created by the United States Con ...
'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. Fairfax County is a member of the
Northern Virginia Regional Park Authority NOVA Parks (formerly named Northern Virginia Regional Park Authority) is an inter-jurisdictional organization that owns and operates more than 10,000 acres of woodlands, streams, parks, trails, nature reserves, countryside and historic sit ...
. The Reston Zoo is in Reston, Virginia. The National Zoo is 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 The Washington and Old Dominion Railroad Regional Park is a linear regional park in Northern Virginia. The park's primary feature is the Washington and Old Dominion Railroad Trail (abbreviated as W&OD Trail), an asphalt-surfaced paved rail trai ...
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. 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 Bike to Work Day is an annual event that promotes the bicycle as an option for commuting to work (bicycle commuting). It is held in the Spring in a variety of locations including the United States, Canada, Europe and Asia. Bike Week is the week t ...
, the Fairfax County Department of Transportation released the first countywide bicycle route map. The 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 Clifton may refer to: People * Clifton (surname) * Clifton (given name) Places Australia *Clifton, Queensland, a town ** Shire of Clifton *Clifton, New South Wales, a suburb of Wollongong * Clifton, Western Australia Canada * Clifton, Nova Sc ...
, Herndon, and
Vienna en, Viennese , iso_code = AT-9 , registration_plate = W , postal_code_type = Postal code , postal_code = , timezone = CET , utc_offset = +1 , timezone_DST ...
, are entirely within Fairfax County. The
independent cities 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, and to a degree in its successor state ...
of
Falls Church Falls Church is an independent city in the Commonwealth of Virginia. As of the 2020 census, the population was 14,658. Falls Church is included in the Washington metropolitan area. Taking its name from The Falls Church, an 18th-century Churc ...
and Fairfax were formed out of areas formerly under Fairfax County's jurisdiction, but are politically separate. 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, ٱلْإِسْكَنْدَرِيَّةُ ; grc-gre, Αλεξάνδρεια, Alexándria) is the second largest city in Egypt, and the largest city on the Mediterranean coast. Founded in by Alexander the Great, Alexandri ...
mailing addresses; 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 on June 30, 2009. Other communities in 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 2000 census, Fairfax County's 13 largest communities are all unincorporated CDPs, the largest of which are Centreville, Reston, and McLean, each with a population over 45,000. (The largest incorporated place in the county is Herndon, its 14th-largest community.)


Census-designated places

The following localities within Fairfax County are identified by the U.S. Census Bureau as ( unincorporated)
Census-designated place A census-designated place (CDP) is a concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counterparts of incorporated places, suc ...
s: * Annandale *
Bailey's Crossroads Bailey's Crossroads is a census-designated place (CDP) in Fairfax County, Virginia, United States. The population was 24,749 at the 2020 census. Bailey's Crossroads lies at the crossroads of State Route 7 ( Leesburg Pike) and State Route 244 ( C ...
* Belle Haven * Braddock * Bull Run *
Burke Burke is an Anglo-Normans, Anglo-Norman Monarchy of Ireland, Irish surname, deriving from the ancient Anglo-Normans, Anglo-Norman and Hiberno-Norman noble dynasty, the House of Burgh. In Ireland, the descendants of William de Burgh (–1206) had ...
* Burke Centre * Centreville * Chantilly * Crosspointe * Difficult Run * Dranesville *
Dunn Loring Dunn Loring is a census-designated place (CDP) in Fairfax County, Virginia, United States. The population was 8,803 at the 2010 census. The area borders Merrifield, Vienna, and Tysons.Dunn Loring is in the Metropolitan Area and is a suburban ar ...
* Fair Lakes * Fair Oaks * Fairfax Station * Floris * Fort Belvoir * Fort Hunt *
Franconia Franconia (german: Franken, ; Franconian dialect: ''Franggn'' ; bar, Frankn) is a region of Germany, characterised by its culture and Franconian dialect (German: ''Fränkisch''). The three administrative regions of Lower, Middle and Upper ...
* Franklin Farm * George Mason * Great Falls * Great Falls Crossing * Greenbriar * Groveton * Hayfield * Huntington * Hutchison *
Hybla Valley Hybla Valley is a census-designated place (CDP) in Fairfax County, Virginia, United States, south of Alexandria. The population was 15,801 at the 2010 census, down from 16,721 in 2000 due to a reduction in area, resulting from some of the eastward ...
* Idylwood * Kings Park * Kings Park West * Kingstowne *
Lake Barcroft Lake Barcroft is a census-designated place (CDP) in Fairfax County, Virginia, United States. The population was 9,558 at the 2010 census. It is also the name of the privately owned lake—part of the Cameron Run Watershed—around which this popul ...
* Laurel Hill * Lincolnia * Long Branch * Lorton *
Mantua Mantua ( ; it, Mantova ; Lombard and la, Mantua) is a city and '' comune'' in Lombardy, Italy, and capital of the province of the same name. In 2016, Mantua was designated as the Italian Capital of Culture. In 2017, it was named as the Eur ...
* Mason Neck * McLean * McNair * Merrifield * Mount Vernon *
Navy A navy, naval force, or maritime force is the branch of a nation's armed forces principally designated for naval and amphibious warfare; namely, lake-borne, riverine, littoral, or ocean-borne combat operations and related functions. It in ...
* Newington * Newington Forest * North Springfield * Oakton * Pimmit Hills *
Ravensworth Ravensworth is a village and civil parish in the Holmedale valley, within the Richmondshire district of North Yorkshire, England. It is approximately north-west of Richmond and from Darlington. The parish has a population of 255, according ...
* Reston * Rose Hill * Seven Corners * South Run * Springfield * Sully Square *
Tysons Tysons, also known as Tysons Corner, is a census-designated place (CDP) in Fairfax County, Virginia, United States, developed from the corner of Chain Bridge Road ( SR 123) and the Leesburg Pike ( SR 7). Located in Northern Virginia between the c ...
* Union Mill *
Wakefield Wakefield is a cathedral city in West Yorkshire, England located on the River Calder. The city had a population of 99,251 in the 2011 census.https://www.nomisweb.co.uk/census/2011/ks101ew Census 2011 table KS101EW Usual resident population, ...
* West Falls Church * West Springfield *
Wolf Trap A wolf trap (Spanish ''lobera'', Italian ''luparia'') was a chase ending in a pit with trapdoor and stakes used by beaters in hunting wolves in medieval Europe.Towards a History of the Basque Language José Ignacio Hualde, Joseba A. Lakarra, ...
* Woodburn * 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 cities are: * Songpa (Seoul), South Korea (2009) *
Harbin Harbin (; mnc, , v=Halbin; ) is a sub-provincial city and the provincial capital and the largest city of Heilongjiang province, People's Republic of China, as well as the second largest city by urban population after Shenyang and largest c ...
, China (2009) * Keçiören (Ankara), Turkey (2012)


See also

*
Fairfax County Chamber of Commerce The Northern Virginia Chamber of Commerce is a membership based business network located in Fairfax County, Virginia. It represents 650+ businesses and 500,000 employees, making it the largest regional chamber of commerce in Virginia. The chamb ...
*
Fairfax County Economic Development Authority The Fairfax County Economic Development Authority (FCEDA) is an independent authority in Fairfax County, Virginia, created under Virginia state law in 1964 and funded by Fairfax County government. The FCEDA exists to promote investment and busines ...
*
Fairfax County Fire and Rescue Department The Fairfax County Fire and Rescue Department is a combination career and volunteer organization that provides fire suppression services, emergency medical response services, technical rescue services, hazardous materials Response services, w ...
*
Fairfax County Police Department The Fairfax County Police Department (FCPD) is a full-service law enforcement agency, located in Northern Virginia. The FCPD services a population of 1,081,726 residents within of Fairfax County, Virginia. The stated mission of the department i ...
* Fairfax County Sheriff's Office *
List of companies headquartered in Northern Virginia This is a list of notable companies headquartered in Northern Virginia. The majority of the following companies are located in Fairfax County, Virginia, Fairfax County and Loudoun County, Virginia, Loudoun County the most populous jurisdictions in ...
* 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 Virginia counties Northern Virginia counties Virginia counties on the Potomac River Washington metropolitan area Populated places established in 1742 1742 establishments in Virginia Majority-minority counties and independent cities in Virginia