Members of Congress

Everyone who has served since 1973 — 2,687 people, the earliest of them first elected in 1923.

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Status

In office Former All

Party

Any Democrat Republican Independent

Chamber

Both House Senate

Robert C. Byrd

West Virginia · Senate

1953–2010 · 57.4 yrs · b. 1917

Daniel K. Inouye

Hawaii · Senate

1959–2012 · 53.9 yrs · b. 1924

Patrick J. Leahy

Vermont · Senate

1975–2023 · 47.9 yrs · b. 1940

Edward M. Kennedy

Massachusetts · Senate

1962–2009 · 46.7 yrs · b. 1932

Warren Grant Magnuson

Washington · Senate

1937–1981 · 43.9 yrs · b. 1905

Henry Martin Jackson

Washington · Senate

1941–1983 · 42.6 yrs · b. 1912

John Jackson Sparkman

Alabama · Senate

1937–1979 · 42 yrs · b. 1899

John Cornelius Stennis

Mississippi · Senate

1947–1989 · 41.9 yrs · b. 1901

Tom Harkin

Iowa · Senate

1975–2015 · 39.9 yrs · b. 1939

Jennings Randolph

West Virginia · Senate

1933–1985 · 39.9 yrs · b. 1902

Barbara A. Mikulski

Maryland · Senate

1977–2017 · 39.9 yrs · b. 1936

Max Baucus

Montana · Senate

1975–2014 · 39 yrs · b. 1941

John Little McClellan

Arkansas · Senate

1935–1977 · 38.9 yrs · b. 1896

Ernest F. Hollings

South Carolina · Senate

1966–2005 · 38.1 yrs · b. 1922

Russell Billiu Long

Louisiana · Senate

1948–1987 · 38 yrs · b. 1918

Benjamin L. Cardin

Maryland · Senate

1987–2025 · 38 yrs · b. 1943

James Oliver Eastland

Mississippi · Senate

1941–1979 · 36.2 yrs · b. 1904

Joseph R. Biden Jr.

Delaware · Senate

1973–2009 · 36 yrs · b. 1942

Daniel K. Akaka

Hawaii · Senate

1977–2013 · 35.9 yrs · b. 1924

Paul S. Sarbanes

Maryland · Senate

1971–2007 · 35.9 yrs · b. 1933

Christopher J. Dodd

Connecticut · Senate

1975–2011 · 35.9 yrs · b. 1944

Claiborne de Borda Pell

Rhode Island · Senate

1961–1997 · 35.9 yrs · b. 1918

Carl Levin

Michigan · Senate

1979–2015 · 35.9 yrs · b. 1934

Harry Reid

Nevada · Senate

1983–2017 · 34 yrs · b. 1939

Barbara Boxer

California · Senate

1983–2017 · 34 yrs · b. 1940

Thomas R. Carper

Delaware · Senate

1983–2025 · 34 yrs · b. 1947

Michael Joseph Mansfield

Montana · Senate

1943–1977 · 33.9 yrs · b. 1903

John B. Breaux

Louisiana · Senate

1971–2005 · 33.9 yrs · b. 1944

Quentin Northrup Burdick

North Dakota · Senate

1959–1992 · 33.6 yrs · b. 1908

Sherrod Brown

Ohio · Senate

1993–2025 · 32 yrs · b. 1952

James William Fulbright

Arkansas · Senate

1943–1975 · 32 yrs · b. 1905

Robert Menendez

New Jersey · Senate

1993–2024 · 31.6 yrs · b. 1954

William Proxmire

Wisconsin · Senate

1957–1989 · 31.3 yrs · b. 1915

Dianne Feinstein

California · Senate

1992–2023 · 30.9 yrs · b. 1933

Jeff Bingaman

New Mexico · Senate

1983–2013 · 30 yrs · b. 1943

Byron L. Dorgan

North Dakota · Senate

1981–2011 · 30 yrs · b. 1942

Lloyd Millard Bentsen Jr.

Texas · Senate

1947–1993 · 30 yrs · b. 1921

Arlen Specter

Pennsylvania · Senate

1981–2011 · 30 yrs · b. 1930

John D. Rockefeller, IV

West Virginia · Senate

1985–2015 · 30 yrs · b. 1937

Bill Nelson

Florida · Senate

1979–2019 · 29.9 yrs · b. 1942

Clinton Presba Anderson

New Mexico · Senate

1941–1973 · 28.5 yrs · b. 1895

Frank R. Lautenberg

New Jersey · Senate

1982–2013 · 28.4 yrs · b. 1924

Debbie Stabenow

Michigan · Senate

1997–2025 · 28 yrs · b. 1950

John F. Kerry

Massachusetts · Senate

1985–2013 · 28 yrs · b. 1943

Tim Johnson

South Dakota · Senate

1987–2015 · 28 yrs · b. 1946

Donald Wayne Riegle Jr.

Michigan · Senate

1967–1995 · 27.9 yrs · b. 1938

Spark Masayuki Matsunaga

Hawaii · Senate

1963–1990 · 27.2 yrs · b. 1916

Harrison Arlington Williams Jr.

New Jersey · Senate

1953–1982 · 27.1 yrs · b. 1919

Kent Conrad

North Dakota · Senate

1987–2013 · 26 yrs · b. 1948

John Orlando Pastore

Rhode Island · Senate

1950–1976 · 26 yrs · b. 1907

Thomas A. Daschle

South Dakota · Senate

1979–2005 · 25.9 yrs · b. 1947

David Hampton Pryor

Arkansas · Senate

1965–1997 · 25.9 yrs · b. 1934

Lee Warren Metcalf

Montana · Senate

1953–1978 · 25 yrs · b. 1911

Samuel Augustus Nunn

Georgia · Senate

1972–1997 · 24.1 yrs · b. 1938

John Bennett Johnston Jr.

Louisiana · Senate

1972–1997 · 24.1 yrs · b. 1932

Frank Forrester Church

Idaho · Senate

1957–1981 · 24 yrs · b. 1924

Herb Kohl

Wisconsin · Senate

1989–2013 · 24 yrs · b. 1935

Herman Eugene Talmadge

Georgia · Senate

1957–1981 · 24 yrs · b. 1913

Daniel Patrick Moynihan

New York · Senate

1977–2001 · 24 yrs · b. 1927

Alan Cranston

California · Senate

1969–1993 · 24 yrs · b. 1914