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Latitude and Longitude:
(2010 Census) 
|• Total||17.287 sq mi (44.77 km2)|
|• Land||17.025 sq mi (44.09 km2)|
|• Water||0.262 sq mi (0.68 km2)|
|Elevation||295 ft (90 m)|
|• Density||2,500/sq mi (970/km2)|
|Time zone||UTC−5 ( Eastern (EST))|
|• Summer ( DST)||UTC−4 (EDT)|
20146, 20147, 20148, 20149 
|Area code(s)||703, 571|
|FIPS code||51-03320  |
|ANSI code||02584799 |
|GNIS feature ID||1499063 |
Ashburn is a census-designated place (CDP) in Loudoun County, Virginia. As of the 2010 United States Census, its population was 43,511.   It is 30 miles (48 km) northwest of Washington, D.C. and part of the Washington metropolitan area.
Ashburn was originally called Farmwell (variant names include Old Farmwell and Farmwell Station) after a nearby mansion of that name owned by George Lee III. The name "Farmwell" first appeared in George Lee's October 1802 will and was used to describe the 1,236-acre (500 ha) plantation he inherited from his father, Thomas Ludwell Lee II. A section of Farmwell plantation west of Ashburn Road, a 580-acre (230 ha) tract, was purchased in 1841 as a summer home by John Janney, a Quaker lawyer who nearly became Vice President of the United States. Janney called the property Ashburn Farm; the name's first known appearance in writing is 1870 when he sold the property. It is likely he named the farm after family friends whose name was "Ashburn". 
Ashburn is located at elevation is 295 feet (90 m) above sea level.  According to the 2010 United States Census, the CDP has a total area of 17.287 square miles (44.77 km2), of which 17.025 square miles (44.09 km2) is land and 0.262 square miles (0.68 km2) is water.  Ashburn is located between Washington Dulles International Airport and Leesburg, the county seat of Loudoun County.(39.0437192, −77.4874899) and its average
The Ashburn area consists of many major and minor subdivisions such as Ashbrook, Ashburn Farm, Ashburn Village, the Courts and Ridges at Ashburn, Belmont Greene, Belmont Country Club, Brambleton, Broadlands, Preserve at Goose Creek, One Loudoun, Goose Creek Village North and South, and the Village of Waxpool.
The United States Census Bureau defines Ashburn as a census-designated place (CDP). As of the 2010 census, the CDP had a population of 43,511 residents,  while the larger ZIP Code Tabulation Area (ZCTA) for Ashburn's 20147 ZIP code contained 54,086 people. 
Many of its residents commute into Washington, D.C. and the surrounding suburbs such as Tysons Corner and Reston to their places of employment.  The median household income as of 2009 was $100,719.  Median age in Ashburn is 31.6.  Ashburn's population is made up of 49% males and 51% females.  The racial makeup of the CDP is White (71%), Asian/Pacific Islander (14%), African American (8%), Hispanic (7%), and Other race (7%).  The total number of households accounted for in Ashburn was 22,555.  The median household size is 2.9 persons.  98% percent of Ashburn residents have a high school degree.  Some 42 percent of Ashburn's population holds a four-year bachelor's degree;  18 percent holds graduate degrees. 
Homeowners formed 80 percent of the population.  In addition, renters made up 13% of the population.  There were 7% properties available as vacancies.  The median age of housing was 5.0 years.  The median housing value is at $345,000. 
Located within the Dulles Technology Corridor, Ashburn is home to many high-tech businesses. World Trade Center Dulles Airport is the second World Trade Center in the state.  Verizon Business has a major office in Ashburn at the location replacing MCI WorldCom's headquarters after its acquisition.   Ashburn is also home to government contractor Telos. 
Ashburn is a major hub for data centers, largely due to the Equinix location there.  Among other websites, the Wikimedia Foundation (parent of Wikipedia) and Amazon Web Services have data centers there.    
The George Washington University's Virginia Science and Technology Campus and the Howard Hughes Medical Institute's Janelia Research Campus are located in Ashburn. Redskins Park, the training camp for the Washington Football Team of the National Football League, is also located in Ashburn. 
EADS North America (the European Aeronautic Defense and Space Company), renamed Airbus Group, Inc., a defense contractor headed by former NASA administrator Sean O'Keefe, has a second location in Ashburn in addition to the main office in Herndon, Virginia.
The United States Postal Service operates the Ashburn Post Office.  The National Transportation Safety Board operates the Ashburn Aviation Field Office in Ashburn; it is the regional headquarters of the NTSB Aviation Eastern Region. 
George Washington University and Strayer University have campuses in Ashburn. In December 2009, it was announced that George Mason University is planning to set up a campus in Ashburn, to be located at Exit 6 off the Dulles Greenway. 
Educational institutions in Ashburn are operated by the Loudoun County Public Schools.
Ashburn's elementary schools include Ashburn Elementary School, Belmont Station Elementary School, Cedar Lane Elementary School, Creighton's Corner Elementary, Discovery Elementary School, Dominion Trail Elementary School, Hillside Elementary School, Legacy Elementary School, Mill Run Elementary School, Moorefield Station Elementary School, Newton-Lee Elementary School, Rosa Lee Carter Elementary School, Sanders Corner Elementary School, Steuart W. Weller Elementary School, and Sycolin Creek Elementary School.
When the second phase of the Washington Metro Silver Line is completed, Ashburn will be served by two metro stations: the Loudoun Gateway Metrorail Station,  and the Ashburn Metrorail Station.  The Silver Line will enter Ashburn in the middle median of the 267 Toll Road, after passing through Dulles Airport.  The first stop in Ashburn will be the Loudoun Gateway station, and phase 2 of the Silver Line will end at the Ashburn station. Currently, the Silver Line to Dulles International Airport and the two Ashburn stops in Loudoun County, Virginia, is expected to open on or about July 6, 2020, according to the Metropolitan Washington Airports Authority. 
Ashburn's fire and emergency medical services are provided by a combination of the volunteers of Ashburn Volunteer Fire-Rescue Department and the Loudoun County Department of Fire, Rescue & Emergency Management. AVFRD is a company under LCFR, and serves Ashburn with Stations 6 and 22, which is located next to Loudoun Hospital. LCFR operates the 24-7 career Moorefield Station 23, the first of its kind in the county. The Ashburn area is served by the Inova Ashburn Healthplex Emergency Room at the corner of the Dulles Greenway and Loudoun County Parkway as well as Inova Loudoun Hospital, located less than 2 miles (3.2 km) from Ashburn in neighboring Lansdowne, and by larger hospitals in the Washington suburbs and city.
One Loudoun, a new multimillion-dollar residential, sports, and entertainment development designed to be the downtown area of Loudoun County, and contains the Alamo Drafthouse Cinema, restaurants, and housing. 
- Jonathan Allen – Washington Football Team defensive end
- Ashley Caldwell – American freestyle skier Olympian
- Taylor Clarke – an American professional baseball pitcher in the Arizona Diamondbacks' organization.
- Nate Davis - Tennessee Titans offensive lineman.
- Gina Haspel – Director of the CIA, first female ever appointed to the position
- Trace McSorley – Baltimore Ravens Quarterback
- Wilson Pickett – soul singer with several hit songs including " Mustang Sally", " In the Midnight Hour", and " Land of a Thousand Dances".
- National Register of Historic Places listings in Loudoun County, Virginia
- Ashburn Colored School
- Edelman Financial Field
- "Ashburn". Geographic Names Information System. United States Geological Survey. Retrieved January 21, 2013.
- "Places: Virginia". 2010 Census Gazetteer Files. United States Census Bureau. Retrieved January 21, 2013.
- "Ashburn CDP, Virginia". Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data. United States Census Bureau. Archived from the original on February 12, 2020. Retrieved January 21, 2013.
- "Post Office, Zip Code, Jurisdiction and AAA Cross-Reference List" (PDF). Virginia Department for the Aging. June 9, 2004.
- "FIPS55 Data: Virginia". FIPS55 Data. United States Geological Survey. February 23, 2006. Archived from the original on June 18, 2006.
- Virginia Trend Report 2: State and Complete Places (Sub-state 2010 Census Data). Archived July 11, 2012, at Archive.today Missouri Census Data Center. Accessed 2011-03-08.
- "Data Centers".
- O'Connell, Jonathan. "Why Ashburn, Va. is the center of the Internet" – via www.washingtonpost.com.
- Blum, Andrew. "The Bullseye of America's Internet". Gizmodo.
- "70 Percent of the World's Web Traffic Flows Through Loudoun County | Washingtonian (DC)". September 14, 2016.
- "Ashburn, VA – History". Archived from the original on March 29, 2013. Retrieved January 20, 2013.
- "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
- "ZCTA5: 20147 (Ashburn)". Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data. United States Census Bureau. Archived from the original on February 12, 2020. Retrieved January 21, 2013.
- "Loudoun County Commuter Bus Adds 123 Spaces for Ashburn Commuter Parking". loudouncountytraffic.com. January 20, 2010. Archived from the original on July 13, 2011. Retrieved July 14, 2010.
- "20147 Ashburn Neighborhood in Ashburn, VA". realestate.aol.com. 2010. Retrieved October 22, 2012.
- "Top-earning towns". CNN. Retrieved August 23, 2012.
- "World Trade Center: Dulles Airport at One Loudoun". dullesworldtrade.com. 2009. Archived from the original on March 7, 2010. Retrieved July 14, 2010.
- "Verizon Business Global Llc - Ashburn, Virginia (VA) - Company Profile". manta.com. June 15, 2010. Retrieved July 14, 2010.
- Noguchi, Yuki (February 15, 2005). "Telecom Is Getting Another Behemoth". washingtonpost.com. Retrieved July 14, 2010.
- Baratko, Trevor (September 18, 2019). "Telos HQ site in Ashburn sells for $26 million". LoudounTimes.com. Retrieved September 25, 2020.
- Blum, Andrew (2012). Tubes: a journey to the center of the Internet (1st ed.). New York: Ecco. ISBN 978-0-06-199493-7. OCLC 758392010.
- "Wikimedia sites to move to primary data center in Ashburn, Virginia". Wikimedia. January 19, 2013.
- "Amazon Plans Epic Data Center Expansion in Northern Virginia". Data Center Frontier. November 6, 2017. Retrieved February 14, 2019.
- Miller, Rich (January 15, 2013). "Amazon Adding Cloud Capacity in Northern Virginia". Data Center Knowledge. Retrieved September 25, 2020.
- Burrington, Ingrid (January 8, 2016). "Why Amazon's Data Centers Are Hidden in Spy Country". The Atlantic. Retrieved September 25, 2020.
- "Training Camp Frequently Asked Questions". redskins.com. 2009. Archived from the original on July 23, 2010. Retrieved July 14, 2010.
- " Post Office Location - ASHBURN Archived May 16, 2010, at the Wayback Machine." United States Postal Service. Retrieved on May 15, 2010.
- " Regional Offices: Aviation." National Transportation Safety Board. Retrieved on May 15, 2010.
- Kravitz, Derek (December 14, 2009). "Developer donates land for George Mason campus in Loudoun". Washington Post. Retrieved December 19, 2009.
- "Loudoun County Public Schools: Official Website". loudoun.k12.va.us. 2010. Archived from the original on July 22, 2010. Retrieved 2010-07-14.
- "Ashburn". www.dullesmetro.com.
- "Silver Line Stations". www.dullesmetro.com.
- Smith, Max (August 5, 2019). "First potential opening date set for Silver Line into Loudoun County". WTOP. Retrieved August 5, 2019.
- Hoffer, Audrey (January 10, 2014). "Buying New: A pedestrian-friendly urban oasis in Loudoun". Washington Post. Retrieved July 20, 2015.
|Wikimedia Commons has media related to Ashburn, Virginia.|
|Wikivoyage has a travel guide for Ashburn (Virginia).|