United States congressional delegations from Oklahoma

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

1889 - 1907: One non-voting delegate

 * See also: Oklahoma Territory's at-large congressional district

1913 - 1933: Eight seats
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.

1933 - 1943: Nine seats
After the 1930 census, Oklahoma had its most seats, nine. The ninth seat represented the state At-large.

1943 - 1953: Eight seats
After the 1940 census, the At-large seat was eliminated.

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