United States congressional delegations from Oklahoma

These are tables of congressional delegations from Oklahoma to the United States House of Representatives and the United States Senate.

List of members of the Oklahoman United States House delegation, their terms in office, district boundaries, and the district political ratings according to the CPVI. The delegation has a total of 5 members, all of whom are members of the Republican party.

Tables showing membership in the Oklahoma federal House delegation throughout history of statehood in the United States.

After the 1910 census, Oklahoma gained three seats. From 1913 to 1915, these extra seats were represented At-large.

After 1915, all the seats were represented by districts.

After the 1930 census, Oklahoma had its most seats, nine. The ninth seat represented the state At-large.

After the 1940 census, the At-large seat was eliminated.

Tables showing membership in the Oklahoma federal Senate delegation throughout history of statehood in the United States.

As of April 2015^[update], there are three former U.S. Senators from the U.S. State of Oklahoma who are currently living at this time, two from Class 2 and one from Class 3.

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