Portrait
|
Name (lifespan)
|
State
|
House of Congress
|
Term
|
Party
|
Notes
|
Term start
|
Length of service (days)
|
|
Robert Aderholt (born 1965)
|
Alabama
|
House of Representatives
|
January 3, 1997
|
10,105 (27 years, 244 days)
|
Republican
|
|
|
Lisa Murkowski (born 1957)
|
Alaska
|
Senate
|
December 20, 2002
|
7,928 (21 years, 258 days)
|
Republican
|
Appointment by Frank Murkowski
|
|
Raúl Grijalva (born 1948)
|
Arizona
|
House of Representatives
|
January 3, 2003
|
7,914 (21 years, 244 days)
|
Democratic
|
|
|
John Boozman (born 1950)
|
Arkansas
|
Senate
|
November 20, 2001
|
8,323 (22 years, 288 days)
|
Republican
|
Elected to the House of Representatives in a special election in 2001 after Asa Hutchinson resigned to become the head of the Drug Enforcement Administration. Later elected to the Senate in 2010.
|
|
Nancy Pelosi (born 1944)
|
California
|
House of Representatives
|
June 2, 1987
|
13,608 (37 years, 93 days)
|
Democratic
|
Elected in a special plection in 1987 following the death of Congresswoman Sala Burton. Later elected as the 52nd Speaker of the United States House of Representatives between 2007-2011 and 2019-2023.
|
|
Diana DeGette (born 1957)
|
Colorado
|
House of Representatives
|
January 3, 1997
|
10,105 (27 years, 244 days)
|
Democratic
|
|
|
Rosa DeLauro (born 1943)
|
Connecticut
|
House of Representatives
|
January 3, 1991
|
12,297 (33 years, 244 days)
|
Democratic
|
|
|
Tom Carper (born 1947)
|
Delaware
|
Senate
|
January 3, 2001
|
8,644 (23 years, 244 days)
|
Democratic
|
Previously served as the a member of the United States House of Representatives as Delaware's at-large member from 1983-1993.
|
|
Mario Díaz-Balart (born 1961)
|
Florida
|
House of Representatives
|
January 3, 2003
|
7,914 (21 years, 244 days)
|
Republican
|
|
|
Sanford Bishop (born 1947)
|
Georgia
|
House of Representatives
|
January 3, 1993
|
11,566 (33 years, 244 days)
|
Democratic
|
|
|
Mazie Hirono (born 1947)
|
Hawaii
|
Senate
|
January 3, 2007
|
6,453 (17 years, 244 days)
|
Democratic
|
Elected to the U.S. House of Representatives in 2006. Later elected the United States Senate in 2012.
|
|
Mike Crapo (born 1950)
|
Idaho
|
Senate
|
January 3, 1993
|
11,566 (31 years, 244 days)
|
Republican
|
Elected to the House of Representatives in 1992. Later elected to the Senate in 1998.
|
|
Dick Durbin (born 1944)
|
Illinois
|
Senate
|
January 3, 1983
|
15,219 (41 years, 244 days)
|
Democratic
|
Elected to the U.S. House of Representatives in 1982. Later elected the United States Senate in 1996.
|
|
André Carson (born 1947)
|
Indiana
|
House of Representatives
|
March 11, 2008
|
6,020 (16 years, 176 days)
|
Democratic
|
Elected in a special election in 2008 following the death of Congresswoman Julia Carson.
|
|
Chuck Grassley (born 1933)
|
Iowa
|
Senate
|
January 3, 1975
|
18,141 (49 years, 244 days)
|
Republican
|
Elected to the House of Representatives in 1974. Later elected to the Senate in 1980. Presently the Dean of the United States Senate.
|
|
Jerry Moran (born 1954)
|
Kansas
|
Senate
|
January 3, 1997
|
10,105 (27 years, 244 days)
|
Republican
|
Elected to the House of Representatives in 1996. Later elected to the Senate in 2010.
|
|
Hal Rogers (born 1937)
|
Kentucky
|
House of Representatives
|
January 3, 1981
|
15,949 (43 years, 244 days)
|
Republican
|
Presently the Dean of the House of Representatives.
|
|
Steve Scalise (born 1965)
|
Louisiana
|
House of Representatives
|
May 3, 2008
|
5,967 (16 years, 123 days)
|
Republican
|
Elected in a special election in 2008 following the election of Bobby Jindal as Governor of Louisiana. Presently serving as the House Majority Leader.
|
|
Susan Collins (born 1952)
|
Maine
|
Senate
|
January 3, 1997
|
10,105 (27 years, 244 days)
|
Republican
|
|
|
Steny Hoyer (born 1939)
|
Maryland
|
House of Representatives
|
May 19, 1981
|
15,813 (43 years, 107 days)
|
Democratic
|
Elected in a special election in 1981 after Congresswoman Gladys Spellman fell into a coma and her seat was declared vacant by the U.S. House of Representatives. Previously served as the House Majority Leader from 2007-2011 and 2019-2023. Currently the longest serving Democratic Member of Congress.
|
|
Edward Markey (born 1946)
|
Massachusetts
|
Senate
|
November 2, 1976
|
17,472 (47 years, 306 days)
|
Democratic
|
Elected in a special election to the U.S. House of Representatives in 1976 following the death of Congressman Torbert Macdonald. Later elected to the U.S. Senate in 2013 after John Kerry was confirmed served as the U.S. Secretary of State.
|
|
Debbie Stabenow (born 1950)
|
Michigan
|
Senate
|
January 3, 1997
|
10,105 (27 years, 244 days)
|
Democratic
|
Elected to the U.S. House of Representatives in 1996. Later elected to the U.S. Senate in 2000.
|
|
Betty McCollum (born 1954)
|
Minnesota
|
House of Representatives
|
January 3, 2001
|
8,644 (23 years, 244 days)
|
Democratic
|
|
|
Bennie Thompson (born 1948)
|
Mississippi
|
House of Representatives
|
April 13, 1993
|
11,466 (31 years, 143 days)
|
Democratic
|
Elected in a special election in 1993 following Congressman Mike Espy's confirmation as U.S. Secretary of Agriculture.
|
|
Sam Graves (born 1954)
|
Missouri
|
House of Representatives
|
January 3, 2001
|
8,644 (23 years, 244 days)
|
Republican
|
|
|
Jon Tester (born 1956)
|
Montana
|
Senate
|
January 3, 2007
|
6,453 (17 years, 244 days)
|
Democratic
|
|
|
Adrian Smith (born 1970)
|
Nebraska
|
House of Representatives
|
January 3, 2007
|
6,453 (17 years, 244 days)
|
Republican
|
|
|
Mark Amodei (born 1958)
|
Nevada
|
House of Representatives
|
September 13, 2011
|
4,739 (12 years, 356 days)
|
Republican
|
Elected to the House of Representatives in a special election in 2011 after Dean Heller was appointed to the Senate.
|
|
Jeanne Shaheen (born 1947)
|
New Hampshire
|
Senate
|
January 3, 2009
|
5,722 (15 years, 244 days)
|
Democratic
|
|
|
Chris Smith (born 1953)
|
New Jersey
|
House of Representatives
|
January 3, 1981
|
15,949 (43 years, 244 days)
|
Republican
|
|
|
Martin Heinrich (born 1971)
|
New Mexico
|
Senate
|
January 3, 2009
|
5,722 (17 years, 244 days)
|
Democratic
|
Elected to the House of Representatives in 2008. Later elected to the Senate in 2012. Co-dean of the New Mexico delegation with Senator Ben Ray Luján.
|
|
Ben Ray Luján (born 1972)
|
New Mexico
|
Senate
|
January 3, 2009
|
5,722 (17 years, 244 days)
|
Democratic
|
Elected to the House of Representatives in 2008. Later elected to the Senate in 2020. Co-dean of the New Mexico delegation with Senator Martin Heinrich.
|
|
Chuck Schumer (born 1950)
|
New York
|
Senate
|
January 3, 1981
|
15,949 (43 years, 244 days)
|
Democratic
|
Elected to the House of Representatives in 1980. Later elected to the Senate in 1998. Currently serving as Senate Majority Leader.
|
|
Virginia Foxx (born 1943)
|
North Carolina
|
House of Representatives
|
January 3, 2005
|
7,183 (19 years, 244 days)
|
Republican
|
Co-dean of the North Carolina delegation with Congressman Patrick McHenry.
|
|
Patrick McHenry (born 1975)
|
North Carolina
|
House of Representatives
|
January 3, 2005
|
7,183 (19 years, 244 days)
|
Republican
|
Co-dean of the North Carolina delegation with Congresswoman Virginia Foxx. Previously Speaker pro tempore of the United States House of Representatives.
|
|
John Hoeven (born 1957)
|
North Dakota
|
Senate
|
January 3, 2011
|
4,992 (13 years, 244 days)
|
Republican
|
|
|
Marcy Kaptur (born 1946)
|
Ohio
|
House of Representatives
|
January 3, 1983
|
15,219 (41 years, 244 days)
|
Democratic
|
Currently the longest-serving woman in congressional history.
|
|
Frank Lucas (born 1960)
|
Oklahoma
|
House of Representatives
|
May 10, 1994
|
11,074 (30 years, 116 days)
|
Republican
|
Elected in a special election in 1994 following the resignation of Congressman Glenn English.
|
|
Ron Wyden (born 1949)
|
Oregon
|
Senate
|
January 3, 1981
|
15,949 (43 years, 244 days)
|
Democratic
|
Elected to the House of Representatives in 1980. Later elected to the Senate in a special election 1996 following the resignation of Senator Bob Packwood.
|
|
Bob Casey (born 1960)
|
Pennsylvania
|
Senate
|
January 3, 2007
|
6,453 (17 years, 244 days)
|
Democratic
|
|
|
Jack Reed (born 1949)
|
Rhode Island
|
Senate
|
January 3, 1991
|
12,297 (33 years, 244 days)
|
Democratic
|
Elected to the House of Representatives in 1990. Later elected to the Senate in 1996.
|
|
Jim Clyburn (born 1940)
|
South Carolina
|
House of Representatives
|
January 3, 1993
|
11,566 (31 years, 244 days)
|
Democratic
|
|
|
John Thune (born 1961)
|
South Dakota
|
Senate
|
January 3, 2005
|
7,183 (19 years, 244 days)
|
Republican
|
Previously served as a member of the U.S. House of Representatives as South Dakota's at-large member from 1997-2003.
|
|
Marsha Blackburn (born 1952)
|
Tennessee
|
Senate
|
January 3, 2003
|
7,914 (21 years, 244 days)
|
Republican
|
Elected to the House of Representatives in 2002. Later elected to the Senate in 2018.
|
|
Lloyd Doggett (born 1946)
|
Texas
|
House of Representatives
|
January 3, 1995
|
10,836 (29 years, 244 days)
|
Democratic
|
Co-dean of the Texas delegation with Congresswoman Sheila Jackson Lee.
|
|
Sheila Jackson Lee (born 1950)
|
Texas
|
House of Representatives
|
January 3, 1995
|
10,836 (29 years, 244 days)
|
Democratic
|
Co-dean of the Texas delegation with Congressman Lloyd Doggett.
|
|
Mike Lee (born 1971)
|
Utah
|
Senate
|
January 3, 2011
|
4,992 (13 years, 244 days)
|
Republican
|
|
|
Bernie Sanders (born 1941)
|
Vermont
|
Senate
|
January 3, 1991
|
12,297 (33 years, 244 days)
|
Independent
|
Elected to the House of Representatives in 1990. Later elected to the Senate in 2006.
|
|
Bobby Scott (born 1947)
|
Virginia
|
House of Representatives
|
January 3, 1993
|
11,566 (31 years, 244 days)
|
Democratic
|
|
|
Patty Murray (born 1950)
|
Washington
|
Senate
|
January 3, 1993
|
11,566 (31 years, 244 days)
|
Democratic
|
Currently the President pro tempore of the United States Senate.
|
|
Shelley Moore Capito (born 1953)
|
West Virginia
|
Senate
|
January 3, 2001
|
8,644 (23 years, 244 days)
|
Republican
|
Elected to the House of Representatives in 2000. Later elected to the Senate in 2014.
|
|
Tammy Baldwin (born 1953)
|
Wisconsin
|
Senate
|
January 3, 1999
|
9,375 (25 years, 244 days)
|
Democratic
|
Elected to the House of Representatives in 1998. Later elected to the Senate in 2012.
|
|
John Barrasso (born 1953)
|
West Virginia
|
Senate
|
June 22, 2007
|
6,283 (17 years, 73 days)
|
Republican
|
Appointed to the Senate following the death of Senator Craig L. Thomas.
|