Designed in 1791 by Pierre Charles L'Enfant, the city is split into quadrants that meet at the Capitol Building, with 131 neighborhoods overall. As of the 2020 census, the city's population was 689,545. During the workweek, commuters from the city's Maryland and Virginia suburbs raise the city's daytime population beyond onemillion. The Washington metropolitan area, which includes parts of Maryland, Virginia, and West Virginia, is the country's seventh-largest metropolitan area, with a 2023 population of 6.3million residents. A locally elected mayor and 13-member council have governed the district since 1973, though Congress retains the power to overturn local laws. Washington, D.C., residents do not have voting representation in Congress, but elect a single non-voting congressional delegate to the U.S. House of Representatives. The city's voters choose three presidential electors in accordance with the Twenty-third Amendment, passed in 1961.