 13.2% come from Fairfax County, Virginia, 6% from Arlington County, Virginia, and 3.5% from Alexandria, Virginia.Smaller numbers of commuters come from the outer suburbs, including 2.4% from Anne Arundel County, Maryland, and 2.3% from Prince William County, Virginia, 1.6% from Charles County, Maryland, 1.3% from Howard County, Maryland, and 1% from Loudoun County, Virginia.Of the 260,000 Washington, D.C. residents that were employed as of 2000, 24% commute to jobs in Montgomery, Prince George's, Fairfax, and Arlington Counties, as well as Alexandria.