Loudoun County is a county in the Commonwealth of Virginia. Loudoun County is part of the Washington–Arlington–Alexandria, DC–VA–MD–WV Metropolitan Statistical Area. As of 2012, Loudoun County had a median household income of $117,876. Since 2008 the county has been ranked first in the United States in median household income among jurisdictions with a population of 65,000 or more.
Traditionally a rural county, Loudoun’s population has grown dramatically since the 1980s. Having undergone heavy suburbanization since 1990, Loudoun has a full-fledged service economy. It is home to world headquarters for several Internet-related and high tech companies, including Verizon Business, Telos Corporation, Orbital Sciences Corporation, and Paxfire. Like Fairfax County’s Dulles Corridor, Loudoun County has economically benefited from the existence of Washington Dulles International Airport, the majority of which is in the county along its border with Fairfax.
Loudoun County retains a strong rural economy. The equine industry has an estimated revenue of $78 million. It is home to the Morven Park International Equestrian Center which hosts national horse trials. In addition, a growing wine industry has produced several internationally recognized wines. Loudoun now has 22 wineries and over 25 active farms. Loudoun has rich soil and was in the mid-19th century a top wheat-producing county in the fourth largest wheat-producing state.