Loudoun County is a county located in the Commonwealth of Virginia. Loudoun County’s county seat is Leesburg. As of 2007, the town had been county seat for 249 of the last 250 years. Loudoun County is included in the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area. As of 2011, Loudoun County had a median household income of $119,134. The county has been ranked number one in median household income since 2007 for jurisdictions in the United States 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 located in the county along its border with Fairfax. Loudoun does retain a strong rural economy in the western part of the county. 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, the county’s 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.
The Loudoun County Public Library System has seven branches in the county, with an eighth branch under construction. The library’s Outreach Department of the Loudoun County Public Library is a resource for those who cannot easily access branch services. The public library system has won many awards, and came in 10th place for libraries serving a comparably sized population in 2006 Hennen’s American Public Library Ratings
In terms of post-secondary education, Loudoun County is home to a variety of colleges and universities, including: Patrick Henry College; a branch of Northern Virginia Community College in Sterling; George Washington University (satellite campus); George Mason University (satellite campus); Marymount University (satellite campus); Shenandoah University (satellite campus); and Strayer University (satellite campus). Loudoun is also home to the Janelia Farm Research Campus of the Howard Hughes Medical Institute.