Loudoun County, Administrative county in Northern Virginia, US
Loudoun County extends across 521 square miles of land between the Potomac River and the Blue Ridge Mountains in northern Virginia.
The county, established in 1757 from Fairfax County, received its name from John Campbell, the Fourth Earl of Loudoun, who governed Virginia.
The county maintains forty vineyards and numerous equestrian centers, contributing to Virginia's agricultural development and wine production industry.
Washington Dulles International Airport serves as a major transportation hub within the county, connecting residents to destinations worldwide.
Loudoun County transformed from an agricultural region into the third most populous county in Virginia, with 420,959 residents as of 2020.
Location: Virginia
Inception: 1757
Capital city: Leesburg
Part of: Arlington–Alexandria–Reston metropolitan division
Shares border with: Frederick County, Washington County, Montgomery County, Fairfax County, Prince William County, Fauquier County, Clarke County, Jefferson County
Website: http://loudoun.gov
GPS coordinates: 39.09000,-77.64000
Latest update: May 27, 2025 20:48
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