Washington, D.C. is the capital of the United States. Washington, D.C. had an estimated population of 658,893 in 2014, the 23rd-most populous city in the United States. Commuters from the surrounding Maryland and Virginia suburbs raise the city's population to more than one million during the workweek. The centers of all three branches of the federal government of the United States are in the District, including the Congress, President, and Supreme Court. Washington is home to many national monuments and museums, which are primarily situated on or around the National Mall.
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