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
Construction of the Virginia approaches to Arlington Memorial Bridge begin construction, but it ended after the county election in November 1931 left supervisors safe in office for another two years. Arlington County engineers quickly called the Washington Boulevard route south of the cemetery inappropriate. The Washington Boulevard route received a significant boost when, on January 27, 1933, Arlington County, the NCPC, and the United States Department of War reached an agreement on rights-of-way along the route. The agreement gave the county a right-of-way across Fort Meyer and the southwestern tip of Arlington National Cemetery and another right-of-way from the cemetery to Mount Vernon Memorial Parkway across War Department land.