Prince William County, Virginia

Prince William County: County in Virginia, United States


Prince William County is a county located in the U.S. state of Virginia. As of the 2010 census, the population was 402,002 and a population density of 446 people per km². After 10 years in 2020 county had an estimated population of 475,533 inhabitants. Its county seat is Manassas. The county was created 293 years ago in 1730.

Prince William County locator map
Location of Prince William County on Virginia map.

Quick Facts about Prince William County

Population : 475,533 (2020)
Country : United States of America
State : Virginia (United States)
Different from : King William County
Twitter username : pwcgov
Area : 902 km2
Water as percent of area : 3.5%
Land as percent of area : 96.5%
Named for : Prince William, Duke of Cumberland
Altitude : 180 feet / 55 meters
Capital : Manassas
Establishment : January 01, 1731
Time Zone : America/New_York
Local time : 02:15:55 (17th April 2024)
Density : 527 Pop. per km² as of 2020
Population growth : 15.46% (2010-2020)
Prince William County  VA  Courthouse IMG 4347 image
Prince William County VA Courthouse IMG 4347
Prince William County  VA  Courthouse IMG 4347 image


Prince William County is located at 38°42'6"N 77°28'40"W (38.7016700, -77.4776600). It has 7 neighbors: Charles County, Fairfax County, Fauquier County, Loudoun County, Manassas, Manassas Park and Stafford County.

Prince William County map

The largest city of Prince William County is Triangle with a population of 8,188. Other cities include and Haymarket population 1,687. See all Prince William County cities & populated places.

Prince William County Populated Places (more)

Cities, towns, neighborhoods & other populated places in Prince William County.

City Name Population Title
Dale City 65,969 Census designated place
Lake Ridge 41,058 Census designated place
Linton Hall 35,725 Census designated place
Sudley 16,203 Census designated place
Bull Run 14,983 Town in Prince William County, Virginia, United States
Triangle 8,188 Unincorporated community in Prince William County, Virginia, United States
West Gate 8,046 Census designated place
Yorkshire 7,541 Census designated place in Virginia, United States
Dumfries 6,106 Town in Scotland
Woodbridge 4,055 Census-designated place in Virginia
Loch Lomond 3,701 Census designated place in Prince William County, Virginia, United States
New Market 2,268 Town in Shenandoah County, Virginia, United States
Haymarket 1,687 Street in the St.
Nokesville 1,354 Census designated place
Occoquan 1,097 Town in Virginia, United States
Quantico 558 Town of the United States

Prince William County has 7 neighbours.

  • Charles County county in Maryland, United States
  • Fairfax County county in Virginia, United States
  • Fauquier County county in Virginia, United States
  • Loudoun County county in Virginia, United States
  • Manassas The county seat of Prince William County, Virginia. It is located in the northern part of the state, in the Washington metropolitan area. Manassas is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Manassas National Battlefield Park and the Manassas Museum.
  • Manassas Park independent city in Virginia, United States
  • Stafford County county in Virginia, United States

  • Manassas


The population of Prince William County increased by 15.46% in 10 years.

Year Population % Change Method
2010 402,002 - census
2011 419,094 4.08% estimation process
2012 429,616 2.45% estimation process
2013 437,735 1.85% estimation process
2014 443,782 1.36% estimation process
2015 450,978 1.6% estimation process
2016 456,496 1.21% estimation process
2017 463,069 1.42% estimation process
2018 466,235 0.68% estimation process
2019 470,335 0.87% estimation process
2020 475,533 1.09% estimation process

Comitatul Prince William, Comte de Prince William, Comté de Prince William, Condado de Prince William, Condado han Prince William, Contea di Prince William, Hrabstwo Prince William, Konteth Prince William, Okrug Prins Vilijam, Princ Uiljam, Princ-Vil'jam, Prince William, Prince William Kun, Prince William Kūn, Prince William konderria, Prince William megye, Prins-Uil'jam, Quan Prince William, Quận Prince William, prinsa u'iliyama ka'unti, purinsuu~iriamu jun, shhrstan prns wylyam wyrjynya, wei lian wang zi xian, Округ Принс Вилијам, Принс-Уильям, Принц Уилям, Принц-Вільям, شهرستان پرنس ویلیام، ویرجینیا, مقاطعة برينس ويليام, پرنس ولیم کاؤنٹی, پرنس ولیم کاؤنٹی، ورجینیا, প্রিন্স উইলিয়াম কাউন্টি, プリンスウィリアム郡, 威廉王子縣

People born in Prince William County (15)

People born in Prince William County, including politician John Pope, politician William Grayson, United States Representative from South Carolina William Butler, .


  • Richard Bland Lee (American politician) he was born in 20/01/1761
  • Alexander Scott Bullitt (first Lieutenant Governor of Kentucky) he was born in 01/01/1761
  • Austin Steward (American writer) he was born in 01/01/1793
  • Bill Andracki (American soccer player) he was born in 25/05/1969
  • George Fitzhugh (American activist) he was born in 04/11/1806
  • John Hardin (Revolutionary War Militia Officer & Indian Fighter) he was born in 01/10/1753
  • Joseph W. Latimer (Confederate Army officer) he was born in 27/08/1843
  • Louis S. Epes (American judge) he was born in 12/01/1882
  • Melvin Colvin Hazen (American politician) he was born in 27/10/1869
  • James Duncan Graham (American army officer, surveyor and engineer) he was born in 04/04/1799
  • Danica Roem (American journalist and politician) was born in 30/09/1984
  • Thomas Farrow (of Virginia (1779-1866)) he was born in 01/01/1779

Virginia Other Counties (more counties)

County Name Population Title
Fairfax County 1,150,847 County in Virginia, United States
Virginia Beach 451,231 The most populous city in Virginia, Virginia Beach is a major center for tourism, military, and business.
Loudoun County 422,784 County in Virginia, United States
Chesterfield County 358,245 County in South Carolina, United States
Henrico County 333,766 County in Virginia, United States
Chesapeake 247,011 The second most populous city in Virginia.
Norfolk 242,803 The most populous city in Virginia.
Arlington County 240,119 County in Virginia, United States; suburb of Washington, D.
Richmond 232,226 The capital of Virginia.
Arlington 229,164 A county in Virginia.
City of Portsmouth 215,133 Administrative division in Virginia, United States
Newport News 179,062 The second most populous city in Virginia.
Alexandria 158,726 A city in Virginia.
Stafford County 156,748 County in Virginia, United States
East Hampton 147,993 Town in New York
Spotsylvania County 138,449 County in Virginia, United States