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Loudoun County

County in Virginia
Loudoun County 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. Wikipedia
Cities: Leesburg, Ashburn, Sterling, and more
Population: 427,592 (2021)
Mascot: Captains
Congressional district: 10th
Founded: 1757
Largest town: Leesburg