United States House of Representatives elections in the District of Columbia
The District of Columbia is a political division coterminous with Washington, D.C., the capital city of the United States.Norton P. Chipman served two terms as the district's delegate until Congress abolished the territorial government in 1874.This took place eight months after the Supreme Court's ruling on District of Columbia v. Heller, which declared a D.C. gun law unconstitutional.The following graph shows the margin of victory of the Democratic Party over the runner-up in the 29[needs update] U.S. House delegate elections the District of Columbia has held, excluding the two during the 1870s.The following graph shows the margin of victory of the Democratic Party over the runner-up in the 17[needs update] U.S. House shadow representative elections the District of Columbia has held.