These are tables of congressional delegations from Mississippi to the United States House of Representatives and the United States Senate. The current dean of the Mississippi delegation is Representative Bennie Thompson (MS-2), having served in the House since 1993. United States Senate 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 4 members: 3 Republicans and 1 Democrat. Mississippi Territory On April 7, 1798, the Mississippi Territory was created. Starting in 1801, the Territory sent one non-voting delegate to the U.S. House of Representatives. State of Mississippi On December 10, 1817, Mississippi was admitted into the Union as a state and sent one Representative to Congress, elected at-large statewide. After the 1830 census, Mississippi had two seats, elected statewide at-large on a general ticket. Starting in 1843, Mississippi's delegation was increased to four seats, still elected at-large statewide on a general ticket. After 1847, those seats were elected by representative districts. After the 1850 census, Mississippi gained a 5th seat. For the 33rd Congress, that fifth seat was elected at-large. Starting with the 34th Congress, the new seat was apportioned as a fifth district. 1817–1847: at-large elections 1847–1853: 4 seats 1853–1873: 5 seats 1873–1883: 6 seats 1883–1903: 7 seats 1903–1953: 8, then 7 seats 1953–1963: 6 seats 1963–present: 5, then 4 seats Key See also List of United States congressional districts Mississippi's congressional districts Political party strength in Mississippi References Mississippi Politics of Mississippi Congressional delegations