The District of Columbia remains the capital of the United States of America. It is also known as Washington, D.C. The Federal District has accumulated 681,170 for its population since 2015. The Federal District is perfectly found in the mid-Atlantic region of the country. The one hundred and twenty-three public schools in the state are operated by DCPS. The place code of the District of Columbia is EK-0000-FL-4000 since April 1, 2017. If you really want to enjoy your stay or visit in the Federal District, simply hover to places such as the Washington Monument, the Capitol Building, The White House, Hirshhorn Museum and Sculpture Garden, National Building Museum, Smithsonian National Air and Space Museum and Mount Vernon.