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
Arlington, Kentucky on the name "Arlington" after Arlington Heights, Virginia, the hometown of a railroad official. The new city was incorporated in 1876. When Carlisle County was created in 1886, Arlington was initially selected as the seat of the new county. The nearby city of Bardwell challenged this, however, noting its more central location within the county. County officials agreed, and moved the seat to Bardwell shortly afterward. Arlington is located in southern Carlisle County at . U.S. Route 51 and Kentucky Route 80 intersect in the city. US 51 leads north to Bardwell, Kentucky, and to Cairo, Illinois, while leading south