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Loudoun County
Sign in to saveAlso known as Loudoun County, Virginia, Loudoun County, VA
county in Virginia, United States
Key facts
- Country
- United States
- State
- Virginia
- Named after
- John Campbell, 4th Earl of Loudoun
- Seat
- Leesburg
- Largest town
- Leesburg
- Total
- 521.33 sq mi (1,350.2 km )
- Land
- 515.74 sq mi (1,335.8 km )
- Water
- 5.6 sq mi (15 km ) 1.1%
- Estimate 2025
- 449,749
- Density
- 810/sq mi (310/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
- UTC−4 ( EDT )
- Congressional district
- 10th
- Website
- loudoun.gov
via Wikipedia infobox
~29 min read
Encyclopedic overview
Loudoun County (/ˈlaʊdən/) is in the northern part of the Commonwealth of Virginia in the United States. In 2020, the census returned a population of 420,959, making it Virginia's third-most populous county. The county seat is Leesburg. Loudoun County is part of the Washington–Arlington–Alexandria, DC–VA–MD–WV Metropolitan Statistical Area.
As of 2023, Loudoun County had a median household income of $156,821, the highest of any county or county equivalent in the nation.
Excerpted from Wikipedia’s “Loudoun County” article, available under the CC BY-SA 4.0 licence.