Robert Daniel (R) . Dan Daniel (D) . M. Caldwell Butler (R) . J. Kenneth Robinson (R) . Stanford Parris (R) . William C. Wampler (R) . Joel Broyhill (R), until December 31, 1974 Washington . Joel Pritchard (R) . Lloyd Meeds (D) . Julia Butler Hansen (D), until December 31, 1974 . Mike McCormack (D) . Tom Foley (D) . Floyd Hicks (D) . Brock Adams (D) West Virginia . Bob Mollohan (D) . Harley Orrin Staggers (D) . John M. Slack (D) . Ken Hechler (D) Wisconsin . Les Aspin (D) . Robert Kastenmeier (D) . Vernon Wallace Thomson (R), until December 31, 1974 . Clement J. Zablocki (D) . Henry S. Reuss (D) . William A. Steiger (R) . Dave Obey (D) . Harold Vernon Froehlich (R) . Glenn Robert Davis (R), until December 31, 1974 Wyoming . Teno Roncalio (D) Non-voting members . Walter Fauntroy (D) . Antonio Borja Won Pat (D) . Jaime Benítez Rexach (Resident Commissioner) (PPD) . Ron de Lugo (D) Changes in membership Senate |- | Ohio(3) | | William B. Saxbe (R) | Resigned January 3, 1974, to become Attorney General.Successor appointed January 4, 1974 to finish the term. | | Howard Metzenbaum (D) | January 4, 1974 |- | Nevada(3) | | Alan Bible (D) | Resigned December 17, 1974, to give successor preferential seniority.Successor appointed December 18, 1974, having already been elected to the next term. | | Paul Laxalt (R) | December 18, 1974 |- | Utah(3) | | Wallace F. Bennett (R) | Resigned December 20, 1974, to give successor preferential seniority.Successor appointed December 21, 1974, having already been elected to the next term. | | Jake Garn (R) | December 21, 1974 |- | Ohio(3) | | Howard Metzenbaum (D) | Resigned December 23, 1974, to give successor preferential seniority.Successor appointed December 24, 1974, having already been elected to the next term. | | John Glenn (D) | December 24, 1974 |- | Kentucky(3) | | Marlow Cook (R) | Resigned December 27, 1974, to give successor preferential seniority.Successor appointed December 28, 1974, having already been elected to the next term. | | Wendell Ford (D) | December 28, 1974 |- | New Hampshire(3) | | Norris Cotton (R) | Resigned December 31, 1974, to give successor preferential seniority.Successor appointed December 31, 1974, having already been elected to the next term. | | Louis C. Wyman