These are tables of congressional delegations from Missouri to the United States House of Representatives and the United States Senate. The current dean of the Missouri delegation is Representative Sam Graves (R), having served in Congress since 2001. U.S. House of Representatives Current members List of members, their terms in office, district boundaries, and the district political ratings according to the CPVI. The delegation has 8 members: 6 Republicans and 2 Democrats. Delegates from Missouri Territory On June 4, 1812, the Missouri Territory was created following the creation of the state of Louisiana. The Arkansas Territory was spun off in 1819. The state of Missouri was separated in 1821 and the remaining land was annexed by the Michigan Territory in 1834. After statehood 1821–1853 1857–1863 1863–1873 1873–1883 1883–1933 1933–1953 1953–1983 1983–2013 2013–present United States Senate Key See also List of United States congressional districts Missouri's congressional districts Political party strength in Missouri References Missouri Politics of Missouri Congressional delegations