Arlington, Clarke, Culpeper, Fairfax, Fauquier, Frederick, Loudoun, Prince William, Rappahannock, Spotsylvania, Stafford, and Warren counties, as well as Alexandria, Falls Church, Fairfax, Fredericksburg, Manassas, Manassas Park, and Winchester cities, form Northern Virginia's contribution to the Washington metropolitan area; Hillary Clinton received 849,758 votes compared to Donald Trump's 503,120 votes in the twelve-county and seven-city region, a 63–37 percent split in the 2016 presidential election. Despite the 26 percent margin of victory for Clinton, seven counties voted for Trump. This compares to Clinton's 825,974 votes to Trump's 236,827 votes (78 to 22 percent) in Calvert, Charles, Frederick, Montgomery, and Prince George's counties in Maryland as well as her 282,830 votes to his 12,723 votes (96 to 4 percent) in Washington, D.C. Among the aforementioned counties in Maryland, Trump carried two of them. The entire Washington metropolitan area – all seventeen counties and seven cities in Maryland and Virginia, plus the District of Columbia – voted 1,958,562 ballots to 752,670 ballots (72 to 28 percent) for Clinton and Trump, respectively. Compared to the entire state, Northern Virginia's twelve counties and seven cities represent 36 percent of the total electorate.