Arlington County, Virginia addition to receiving the lowest proportion of Arlington's vote for a Democratic or Republican candidate in the past century. Arlington is part of Virginia's 8th congressional district, represented by Democrat Don Beyer. The United States Postal Service designates zip codes starting with "222" for exclusive use in Arlington County. However, federal institutions, like Ronald Reagan Washington National Airport and The Pentagon use Washington zip codes. Arlington has consistently had the lowest unemployment rate of any jurisdiction in Virginia. The unemployment rate in Arlington was 4.2% in August 2009. 60% of office space in the Rosslyn-Ballston corridor is leased to government
Ballston, Arlington, Virginia including The Nature Conservancy, the Navy-Marine Corps Relief Society, and the National Rural Electric Cooperative Association (NRECA), are located in Ballston, as are several government contractors and high tech companies, including CACI, Leidos and the headquarters of ESI International. In 2011, Accenture agreed to move its offices from Reston, Virginia, to a new facility on the corner of Wilson Boulevard and North Glebe Road in Ballston. The neighborhood is home to Washington-Lee High School. Ballston is also home to several university facilities, including: Ballston, Arlington, Virginia Ballston is a neighborhood in Arlington County, Virginia and is home to the Ballston-MU