Christianity, at 2.1 billion people, has the most followers of any religion.
Rappahannock County, Virginia. For the Rappahannock County that existed from 1656-1692, see Rappahannock County (1656), Virginia. Rappahannock County is a county located in the Commonwealth of Virginia, US. As of the 2010 census, the population was 7,373. Its county seat is Washington.
Arlington County. The skylines of Arlington's Courthouse and Rosslyn neighborhoods, with the Georgetown and Downtown neighborhoods of Washington, D.C. immediately past them. The county accounts for most of Virginia's border with the District.