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Loudoun County

Loudoun County’s Base Map Update Project

Loudoun County, Virginia located within the Washington, D.C. metropolitan area, is approximately 520 square miles and has been one of the most-affluent and fastest growing U.S. counties for the last decade. The County’s…

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Updated Oct 10, 2026

Prototype by Datopian · not an official government website · data from data.virginia.gov