List of members of the United States Congress by longevity of service - wikipedia List of members of the United States Congress by longevity of service This article includes a list of references, related reading or external links, but its sources remain unclear because it lacks inline citations. Please help to improve this article by introducing more precise citations. ( September 2016 ) This is a list of United States congresspersons by longevity of service. It includes Representatives and Senators who have served at least 36 years. It is divided up into several categories. In cases where there is a tie in time the following criteria will sort people higher : Achieved time uninterrupted ( total tenure rank only ) Achieved time first Senators over Representatives ( House and Senate list only ) Senate or House seniority ( Dan Rostenkowski versus Neal Edward Smith ) Contents 1 Key 2 Combined House and Senate time 3 Senate time 4 House time 5 See also 6 References Key In gold Currently serving Served in House ( only for House and Senate combined categories ) Served in Senate ( only for House and Senate combined categories ) Interruptions in service ( only for total tenure categories ) Combined House and Senate time Total tenure rank Uninterrupted tenure rank Name Party affiliation Total tenure Uninterrupted tenure Reason for leaving John Dingell ( H ) Democratic 59 years, 21 days 59 years, 21 days Retired Robert Byrd ( H, S ) Democratic 57 years, 176 days 57 years, 176 days Died Carl Hayden ( H, S ) Democratic 56 years, 319 days 56 years, 319 days Retired Daniel Inouye ( H, S ) Democratic 53 years, 118 days 53 years, 118 days Died 5 5 Jamie Whitten ( H ) Democratic 53 years, 60 days 53 years, 60 days Retired 6 6 John Conyers ( H ) Democratic 52 years, 336 days 52 years, 336 days Resigned 7 7 Carl Vinson ( H ) Democratic 50 years, 61 days 50 years, 61 days Retired 8 8 Emanuel Celler ( H ) Democratic 49 years, 305 days 49 years, 305 days Lost renomination 9 9 Sam Rayburn ( H ) Democratic 48 years, 257 days 48 years, 257 days Died 10 999 Sidney R. Yates ( H, I ) Democratic 48 years, 0 days n / a Retired 11 12 Strom Thurmond ( S, I ) Democratic, Republican 47 years, 159 days 46 years, 57 days Resigned and Retired 12 10 Wright Patman ( H ) Democratic 47 years, 3 days 47 years, 3 days Died 13 11 Ted Kennedy ( S ) Democratic 46 years, 292 days 46 years, 292 days Died 14 13 Charles Rangel ( H ) Democratic 46 years, 0 days 46 years, 0 days Retired 15 999 Joseph Gurney Cannon ( H, I ) Republican 46 years, 0 days n / a Defeated, Defeated, and Retired 16 14 Adolph J. Sabath ( H ) Democratic 45 years, 247 days 45 years, 247 days Died 17 15 J. Lister Hill ( H, S ) Democratic 45 years, 142 days 45 years, 142 days Retired 18 16 Thad Cochran ( H, S ) Republican 7004164840000000000 ♠ 45 years, 48 days 7004164840000000000 ♠ 45 years, 48 days 19 17 Don Young ( H ) Republican 7004164220000000000 ♠ 44 years, 351 days 7004164220000000000 ♠ 44 years, 351 days 20 18 George H. Mahon ( H ) Democratic 44 years, 0 days 44 years, 0 days Retired 21 19 Warren Magnuson ( H, S ) Democratic 44 years, 0 days 44 years, 0 days Defeated 22 20 Charles Edward Bennett ( H ) Democratic 44 years, 0 days 44 years, 0 days Retired 23 21 Justin Smith Morrill ( H, S ) Whig, Republican 43 years, 299 days 43 years, 299 days Died 24 999 William B. Allison ( H, S, I ) Republican 43 years, 152 days n / a Retired and Died 25 22 Charles Melvin Price ( H ) Democratic 43 years, 110 days 43 years, 110 days Died 26 23 Patrick Leahy ( S ) Democratic 7004157540000000000 ♠ 43 years, 48 days 7004157540000000000 ♠ 43 years, 48 days 27 24 Chuck Grassley ( H, S ) Republican 7004157540000000000 ♠ 43 years, 48 days 7004157540000000000 ♠ 43 years, 48 days 28 25 Bill Young ( H ) Republican 42 years, 288 days 42 years, 288 days Died 29 26 Henry M. Jackson ( H, S ) Democratic 42 years, 241 days 42 years, 241 days Died 30 999 Carter Glass ( H, S, I ) Democratic 42 years, 157 days n / a Resigned to become Secretary of the Treasury and Died 31 27 John William McCormack ( H ) Democratic 42 years, 58 days 42 years, 58 days Retired 32 28 John Sparkman ( H, S ) Democratic 42 years, 0 days 42 years, 0 days Retired 33 29 William R. Poage ( H ) Democratic 42 years, 0 days 42 years, 0 days Retired 34 30 Jack Brooks ( H ) Democratic 42 years, 0 days 42 years, 0 days Defeated 35 31 Robert L. Doughton ( H ) Democratic 41 years, 305 days 41 years, 305 days Retired 36 32 Joseph William Martin Jr. ( H ) Republican 41 years, 305 days 41 years, 305 days Lost renomination 37 33 Dave Obey ( H ) Democratic 41 years, 276 days 41 years, 276 days Retired 38 34 Ed Markey ( H, S ) Democratic 7004150850000000000 ♠ 41 years, 110 days 7004150850000000000 ♠ 41 years, 110 days 39 35 Clarence Cannon ( H ) Democratic 41 years, 69 days 41 years, 69 days Retired 40 36 John C. Stennis ( S ) Democratic 41 years, 59 days 41 years, 59 days Retired 41 37 Orrin Hatch ( S ) Republican 7004150230000000000 ♠ 41 years, 48 days 7004150230000000000 ♠ 41 years, 48 days 42 38 Kenneth McKellar ( H, S ) Democratic 41 years, 30 days 41 years, 30 days Lost renomination 43 39 William Natcher ( H ) Democratic 40 years, 240 days 40 years, 240 days Died 44 999 Claude Pepper ( H, S, I ) Democratic 40 years, 207 days n / a Lost renomination and Died 45 40 William P. Frye ( H, S ) Republican 40 years, 157 days 40 years, 157 days Died 46 41 Ted Stevens ( S ) Republican 40 years, 10 days 40 years, 10 days Defeated 47 42 Carl Curtis ( H, S ) Republican 40 years, 0 days 40 years, 0 days Retired 48 43 Peter W. Rodino ( H ) Democratic 40 years, 0 days 40 years, 0 days Retired 49 44 Pete Stark ( H ) Democratic 40 years, 0 days 40 years, 0 days Defeated 50 45 Tom Harkin ( H, S ) Democratic 40 years, 0 days 40 years, 0 days Retired 51 46 George Miller ( H ) Democratic 40 years, 0 days 40 years, 0 days Retired 52 47 Henry Waxman ( H ) Democratic 40 years, 0 days 40 years, 0 days Retired 53 48 Barbara Mikulski ( H, S ) Democratic 40 years, 0 days 40 years, 0 days Retired 54 999 Jennings Randolph ( H, S, I ) Democratic 39 years, 364 days n / a Defeated and Retired 55 999 Eugene Hale ( H, S, I ) Republican 39 years, 363 days n / a Defeated and Retired 56 49 Leslie C. Arends ( H ) Republican 39 years, 362 days 39 years, 362 days Retired 57 50 Daniel A. Reed ( H ) Republican 39 years, 352 days 39 years, 352 days Died 58 51 George William Norris ( H, S ) Republican, Independent 39 years, 305 days 39 years, 305 days Defeated 59 52 John Taber ( H ) Republican 39 years, 305 days 39 years, 305 days Retired 60 53 William M. Colmer ( H ) Democratic 39 years, 305 days 39 years, 305 days Retired 61 54 Richard Shelby ( H, S ) Democratic, Republican 7004142930000000000 ♠ 39 years, 48 days 7004142930000000000 ♠ 39 years, 48 days 62 55 Jim Sensenbrenner ( H ) Republican 7004142930000000000 ♠ 39 years, 48 days 7004142930000000000 ♠ 39 years, 48 days 63 56 Max Baucus ( H, S ) Democratic 39 years, 34 days 39 years, 34 days Appointed Ambassador to China 64 999 Samuel Smith ( H, S, I ) Democratic - Republican, Democratic 39 years, 9 days n / a Retired 65 999 John Little McClellan ( H, S, I ) Democratic 38 years, 329 days n / a Retired and Died 66 57 Morris Sheppard ( H, S ) Democratic 38 years, 145 days 38 years, 145 days Died 67 58 Ernest Hollings ( S ) Democratic 38 years, 55 days 38 years, 55 days Retired 68 59 Richard Russell Jr. ( S ) Democratic 38 years, 9 days 38 years, 9 days Died 69 999 John Sherman ( H, S, I ) Oppositionist, Republican 38 years, 4 days n / a Appointed Secretary of the Treasury & Appointed Secretary of State 79 60 Russell B. Long ( S ) Democratic 38 years, 3 days 38 years, 3 days Retired 71 61 Frederick H. Gillett ( H, S ) Republican 38 years, 0 days 38 years, 0 days Retired 72 62 Wilbur Mills ( H ) Democratic 38 years, 0 days 38 years, 0 days Retired 73 63 Dante Fascell ( H ) Democratic 38 years, 0 days 38 years, 0 days Retired 74 64 Robert H. Michel ( H ) Republican 38 years, 0 days 38 years, 0 days Retired 75 65 Nick Rahall ( H ) Democratic 38 years, 0 days 38 years, 0 days Defeated 76 999 Robert Crosser ( H, I ) Democratic 37 years, 305 days n / a Lost renomination 77 999 Robert L.F. Sikes ( H, I ) Democratic 37 years, 290 days n / a Resigned and Retired 78 66 Nathaniel Macon ( H, S ) Anti-Administration, Democratic - Republican 37 years, 255 days 37 years, 255 days Resigned 79 67 Henry Cabot Lodge ( H, S ) Republican 37 years, 250 days 37 years, 250 days Died 80 999 Alben W. Barkley ( H, S, I ) Democratic 37 years, 74 days n / a Elected Vice President & Died 81 68 Henry B. Gonzalez ( H ) Democratic 37 years, 60 days 37 years, 60 days Retired 82 69 Ron Wyden ( H, S ) Democratic 7004135620000000000 ♠ 37 years, 48 days 7004135620000000000 ♠ 37 years, 48 days 83 70 Pat Roberts ( H, S ) Republican 7004135620000000000 ♠ 37 years, 48 days 7004135620000000000 ♠ 37 years, 48 days 84 71 Chuck Schumer ( H, S ) Democratic 7004135620000000000 ♠ 37 years, 48 days 7004135620000000000 ♠ 37 years, 48 days 85 72 Hal Rogers ( H ) Republican 7004135620000000000 ♠ 37 years, 48 days 7004135620000000000 ♠ 37 years, 48 days 86 73 Chris Smith ( H ) Republican 7004135620000000000 ♠ 37 years, 48 days 7004135620000000000 ♠ 37 years, 48 days 87 999 Francis E. Warren ( S, I ) Republican 37 years, 6 days n / a Defeated and Died 88 74 Steny Hoyer ( H ) Democratic 7004134260000000000 ♠ 36 years, 277 days 7004134260000000000 ♠ 36 years, 277 days 89 999 James Eastland ( S, I ) Democratic 36 years, 83 days n / a Resigned 90 75 Joe Biden ( S ) Democratic 36 years, 12 days 36 years, 12 days Elected Vice President 91 76 John Murtha ( H ) Democratic 36 years, 3 days 36 years, 3 days Died 92 77 Henry L. Dawes ( H, S ) Republican 36 years, 0 days 36 years, 0 days Retired 93 78 Felix Edward Hébert ( H ) Democratic 36 years, 0 days 36 years, 0 days Retired 94 79 Edward Boland ( H ) Democratic 36 years, 0 days 36 years, 0 days Retired 95 80 William Broomfield ( H ) Republican 36 years, 0 days 36 years, 0 days Retired 96 81 Dan Rostenkowski ( H ) Democratic 36 years, 0 days 36 years, 0 days Defeated 97 82 Neal Edward Smith ( H ) Democratic 36 years, 0 days 36 years, 0 days Defeated 98 83 Claiborne Pell ( S ) Democratic 36 years, 0 days 36 years, 0 days Retired 99 84 Joseph M. McDade ( H ) Republican 36 years, 0 days 36 years, 0 days Retired 100 85 Paul Sarbanes ( H, S ) Democratic 36 years, 0 days 36 years, 0 days Retired 101 86 Pete Domenici ( S ) Republican 36 years, 0 days 36 years, 0 days Retired 102 87 Ralph Regula ( H ) Republican 36 years, 0 days 36 years, 0 days Retired 103 88 Chris Dodd ( H, S ) Democratic 36 years, 0 days 36 years, 0 days Retired 104 89 Jim Oberstar ( H ) Democratic 36 years, 0 days 36 years, 0 days Defeated 105 90 Richard Lugar ( S ) Republican 36 years, 0 days 36 years, 0 days Lost renomination 106 91 Daniel Akaka ( H, S ) Democratic 36 years, 0 days 36 years, 0 days Retired 107 92 Norm Dicks ( H ) Democratic 36 years, 0 days 36 years, 0 days Retired 108 93 Dale Kildee ( H ) Democratic 36 years, 0 days 36 years, 0 days Retired 109 94 Carl Levin ( S ) Democratic 36 years, 0 days 36 years, 0 days Retired 110 999 Shelby Moore Cullom ( H, S, I ) Republican 36 years, 0 days n / a Retired Senate time The 90th Congress was notable because for a period of 10 days ( December 24, 1968 -- January 3, 1969 ), it contained within its Senate all 10 of the longest - serving senators in history until January 7, 2013, when Patrick Leahy surpassed Russell B. Long as the 10th longest - serving senator in history. This period stretched from the installation of Ted Stevens of Alaska after his appointment to fill a vacancy to the retirement of Carl Hayden of Arizona early the next year. The 96th Congress and 97th Congress were the periods in which most people from this list were serving together ( all but Hayden, Russell Jr., Warren, Eastland, and Grassley in the former and all but Hayden, Russell Jr., Warren, Eastland, and Magnuson in the latter ). Total tenure rank Uninterrupted tenure rank Name State represented Dates of service Total tenure Uninterrupted tenure Robert Byrd West Virginia January 3, 1959 -- June 28, 2010 51 years, 176 days 51 years, 176 days Daniel Inouye Hawaii January 3, 1963 -- December 17, 2012 49 years, 349 days 49 years, 349 days Strom Thurmond ( I ) South Carolina December 24, 1954 -- April 7, 1956 November 7, 1956 -- January 3, 2003 47 years, 159 days 46 years, 57 days Ted Kennedy Massachusetts November 7, 1962 -- August 25, 2009 46 years, 292 days 46 years, 292 days 5 5 Patrick Leahy Vermont Since January 3, 1975 7004157540000000000 ♠ 43 years, 48 days 7004157540000000000 ♠ 43 years, 48 days 6 6 Carl Hayden Arizona March 4, 1927 -- January 3, 1969 41 years, 305 days 41 years, 305 days 7 7 John C. Stennis Mississippi November 7, 1947 -- January 3, 1989 41 years, 59 days 41 years, 59 days 8 8 Orrin Hatch Utah Since January 3, 1977 7004150230000000000 ♠ 41 years, 48 days 7004150230000000000 ♠ 41 years, 48 days 9 9 Ted Stevens Alaska December 24, 1968 -- January 3, 2009 40 years, 10 days 40 years, 10 days 10 10 Thad Cochran Mississippi Since December 27, 1978 7004143000000000000 ♠ 39 years, 55 days 7004143000000000000 ♠ 39 years, 55 days 11 11 Ernest Hollings South Carolina November 8, 1966 -- January 3, 2005 38 years, 55 days 38 years, 55 days 12 12 Richard Russell Jr. Georgia January 12, 1933 -- January 21, 1971 38 years, 9 days 38 years, 9 days 13 13 Russell B. Long Louisiana December 31, 1948 -- January 3, 1987 38 years, 3 days 38 years, 3 days 14 14 Chuck Grassley Iowa Since January 3, 1981 7004135620000000000 ♠ 37 years, 48 days 7004135620000000000 ♠ 37 years, 48 days 15 999 Francis E. Warren ( I ) Wyoming November 18, 1890 -- March 4, 1893 March 4, 1895 -- November 24, 1929 37 years, 6 days n / a 16 999 James Eastland ( I ) Mississippi June 30 -- September 28, 1941 January 3, 1943 -- December 27, 1978 36 years, 83 days n / a 17 15 Warren Magnuson Washington December 14, 1944 -- January 3, 1981 36 years, 20 days 36 years, 20 days 18 16 Joe Biden Delaware January 3, 1973 -- January 15, 2009 36 years, 12 days 36 years, 12 days 19 17 Claiborne Pell Rhode Island January 3, 1961 -- January 3, 1997 36 years, 0 days 36 years, 0 days 20 18 Pete Domenici New Mexico January 3, 1973 -- January 3, 2009 36 years, 0 days 36 years, 0 days 21 19 Richard Lugar Indiana January 3, 1977 -- January 3, 2013 36 years, 0 days 36 years, 0 days 22 20 Carl Levin Michigan January 3, 1979 -- January 3, 2015 36 years, 0 days 36 years, 0 days House time Total tenure rank Uninterrupted tenure rank Name State represented Dates of service Total tenure Uninterrupted tenure John Dingell Michigan December 13, 1955 -- January 3, 2015 59 years, 21 days 59 years, 21 days Jamie L. Whitten Mississippi November 4, 1941 -- January 3, 1995 53 years, 60 days 53 years, 60 days John Conyers Michigan January 3, 1965 -- December 5, 2017 52 years, 336 days 52 years, 336 days Carl Vinson Georgia November 3, 1914 -- January 3, 1965 50 years, 61 days 50 years, 61 days 5 5 Emanuel Celler New York March 4, 1923 -- January 3, 1973 49 years, 305 days 49 years, 305 days 6 6 Sam Rayburn Texas March 4, 1913 -- November 16, 1961 48 years, 257 days 48 years, 257 days 7 999 Sidney R. Yates ( I ) Illinois January 3, 1949 -- January 3, 1963 January 3, 1965 -- January 3, 1999 48 years, 0 days n / a 8 7 Wright Patman Texas March 4, 1929 -- March 7, 1976 47 years, 3 days 47 years, 3 days 9 8 Charles Rangel New York January 3, 1971 -- January 3, 2017 46 years, 0 days 46 years, 0 days 10 999 Joseph Gurney Cannon ( I ) Illinois March 4, 1873 -- March 3, 1891 March 4, 1893 -- March 3, 1913 March 4, 1915 -- March 3, 1923 46 years, 0 days n / a 11 9 Adolph J. Sabath Illinois March 4, 1907 -- November 6, 1952 45 years, 247 days 45 years, 247 days 12 10 Don Young Alaska Since March 6, 1973 7004164220000000000 ♠ 44 years, 351 days 7004164220000000000 ♠ 44 years, 351 days 13 11 George H. Mahon Texas January 3, 1935 -- January 3, 1979 44 years, 0 days 44 years, 0 days 14 12 Charles Edward Bennett Florida January 3, 1949 -- January 3, 1993 44 years, 0 days 44 years, 0 days 15 13 Charles Melvin Price Illinois January 3, 1945 -- April 22, 1988 43 years, 110 days 43 years, 110 days 16 14 Bill Young Florida January 3, 1971 -- October 18, 2013 42 years, 288 days 42 years, 288 days 17 15 John William McCormack Massachusetts November 6, 1928 -- January 3, 1971 42 years, 58 days 42 years, 58 days 18 16 William R. Poage Texas January 3, 1937 -- December 31, 1978 42 years, 0 days 42 years, 0 days 19 17 Jack Brooks Texas January 3, 1953 -- January 3, 1995 42 years, 0 days 42 years, 0 days 20 18 Robert L. Doughton North Carolina March 4, 1911 -- January 3, 1953 41 years, 305 days 41 years, 305 days 21 19 Joseph William Martin Jr. Massachusetts March 4, 1925 -- January 3, 1967 41 years, 305 days 41 years, 305 days 22 20 Dave Obey Wisconsin April 1, 1969 -- January 3, 2011 41 years, 276 days 41 years, 276 days 23 21 Clarence Cannon Missouri March 4, 1923 -- May 12, 1964 41 years, 69 days 41 years, 69 days 24 22 William Natcher Kentucky August 1, 1953 -- March 29, 1994 40 years, 240 days 40 years, 240 days 25 23 Peter W. Rodino New Jersey January 3, 1949 -- January 3, 1989 40 years, 0 days 40 years, 0 days 26 24 Pete Stark California January 3, 1973 -- January 3, 2013 40 years, 0 days 40 years, 0 days 27 25 George Miller California January 3, 1975 -- January 3, 2015 40 years, 0 days 40 years, 0 days 28 26 Henry Waxman California January 3, 1975 -- January 3, 2015 40 years, 0 days 40 years, 0 days 29 27 Leslie C. Arends Illinois January 3, 1935 -- December 31, 1974 39 years, 362 days 39 years, 362 days 30 28 Daniel A. Reed New York March 4, 1919 -- February 19, 1959 39 years, 352 days 39 years, 352 days 31 29 John Taber New York March 4, 1923 -- January 3, 1963 39 years, 305 days 39 years, 305 days 32 30 William M. Colmer Mississippi March 4, 1933 -- January 3, 1973 39 years, 305 days 39 years, 305 days 33 31 Jim Sensenbrenner Wisconsin Since January 3, 1979 7004142930000000000 ♠ 39 years, 48 days 7004142930000000000 ♠ 39 years, 48 days 34 32 Wilbur Mills Arkansas January 3, 1939 -- January 3, 1977 38 years, 0 days 38 years, 0 days 35 33 Dante Fascell Florida January 3, 1955 -- January 3, 1993 38 years, 0 days 38 years, 0 days 36 34 Robert H. Michel Illinois January 3, 1957 -- January 3, 1995 38 years, 0 days 38 years, 0 days 37 35 Nick Rahall West Virginia January 3, 1977 -- January 3, 2015 38 years, 0 days 38 years, 0 days 38 999 Robert Crosser ( I ) Ohio March 4, 1913 -- March 3, 1919 March 4, 1923 -- January 3, 1955 37 years, 305 days n / a 39 999 Robert L.F. Sikes ( I ) Florida January 3, 1941 -- October 19, 1944 January 3, 1945 -- January 3, 1979 37 years, 290 days n / a 40 36 Henry B. Gonzalez Texas November 4, 1961 -- January 3, 1999 37 years, 60 days 37 years, 60 days 41 37 Hal Rogers Kentucky Since January 3, 1981 7004135620000000000 ♠ 37 years, 48 days 7004135620000000000 ♠ 37 years, 48 days 42 38 Chris Smith New Jersey Since January 3, 1981 7004135620000000000 ♠ 37 years, 48 days 7004135620000000000 ♠ 37 years, 48 days 43 39 Steny Hoyer Maryland Since May 19, 1981 7004134260000000000 ♠ 36 years, 277 days 7004134260000000000 ♠ 36 years, 277 days 44 40 Ed Markey Massachusetts November 2, 1976 -- July 3, 2013 36 years, 256 days 36 years, 256 days 45 41 John Murtha Pennsylvania February 5, 1974 -- February 8, 2010 36 years, 3 days 36 years, 3 days 46 42 Felix Edward Hébert Louisiana January 3, 1941 -- January 3, 1977 36 years, 0 days 36 years, 0 days 47 43 Edward Boland Massachusetts January 3, 1953 -- January 3, 1989 36 years, 0 days 36 years, 0 days 48 44 William Broomfield Michigan January 3, 1957 -- January 3, 1993 36 years, 0 days 36 years, 0 days 49 45 Dan Rostenkowski Illinois January 3, 1959 -- January 3, 1995 36 years, 0 days 36 years, 0 days 50 46 Neal Edward Smith Iowa January 3, 1959 -- January 3, 1995 36 years, 0 days 36 years, 0 days 51 47 Joseph M. McDade Pennsylvania January 3, 1963 -- January 3, 1999 36 years, 0 days 36 years, 0 days 52 48 Ralph Regula Ohio January 3, 1973 -- January 3, 2009 36 years, 0 days 36 years, 0 days 53 49 Jim Oberstar Minnesota January 3, 1975 -- January 3, 2011 36 years, 0 days 36 years, 0 days 54 50 Norm Dicks Washington January 3, 1977 -- January 3, 2013 36 years, 0 days 36 years, 0 days 55 51 Dale Kildee Michigan January 3, 1977 -- January 3, 2013 36 years, 0 days 36 years, 0 days See also List of longest - living United States Senators References Members Who Have Served in the U.S. Congress 30 Years or More United States Congress House of Representatives Senate ( 114th ← 115th → 116th ) Lists of congressional lists Members and leaders Members Current By length of service Freshmen Youngest members Resident Commissioner of Puerto Rico Delegates Senate Current by seniority Dean of the Senate Former U.S. Senators living Earliest serving Earliest living Expelled or censured Classes Born outside the U.S. House Current by seniority Dean of the House Former U.S. Representatives living Oldest living Earliest serving Expelled, censured, and reprimanded Leaders Senate President ( list ) President pro tempore ( list ) Majority and minority leaders Assistant party leaders Democratic Caucus ( Chair Secretary Policy Committee Chair ) Republican Conference ( Chair Vice-Chair Policy Committee Chair ) House Speaker Leaders Bipartisan Legal Advisory Group Democratic Caucus Republican Conference Districts List Apportionment Caucuses, women and minorities Congressional caucus African Americans in the House Congressional Black Caucus African Americans in the Senate Arab and Middle - 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item veto Pocket veto Veto override Senate - specific Advice and consent Classes Executive communication Executive session Filibuster Jefferson 's Manual Senate Journal Morning business Nuclear option Presiding Officer Recess appointment Reconciliation Riddick 's Senate Procedure Senate hold Senatorial courtesy Seniority Standing Rules Tie - breaking votes Traditions Treaty Clause Committees Chairman and ranking member Of the Whole Conference Discharge petition Hearings Markup Oversight List ( Joint ) List ( House ) List ( Senate ) Select and special Standing Subcommittees Items Gavels Mace of the House Seal of the Senate History Biographical Directory Divided government House Gerrymandering Party control Senate Senate election disputes Senatorial memoirs Representative memoirs Media C - SPAN Congressional Quarterly The Hill Politico Roll Call Offices, employees, services, and the Capitol Complex Legislative offices Congressional staff Government Accountability Office ( Comptroller General ) Architect of the Capitol Capitol Police ( Capitol Police Board ) Capitol Guide Service ( Capitol Guide Board ) Congressional Budget Office ( CBO ) Compliance Library of Congress Government Publishing Office ( GPO ) Technology Assessment Offices Senate Curator Historical Library House Congressional Ethics Emergency Planning, Preparedness, and Operations Interparliamentary Affairs Legislative Counsel Law Revision Counsel Library Employees Senate Secretary Chaplain Curator Inspector General Historian Librarian Pages Parliamentarian Sergeant at Arms and Doorkeeper House Chaplain Chief Administrative Officer Clerk Doorkeeper Floor Operations Floor Services Chief Historian Pages ( Page Board ) Parliamentarian Postmaster Reading Clerk Sergeant at Arms Library of Congress Congressional Research Service ( reports ) Copyright Office ( Register of Copyrights ) Law Library Poet Laureate THOMAS Adams Building Jefferson Building Madison Building Government Publishing Office Public Printer Congressional Pictorial Directory Congressional Record Official Congressional Directory United States Government Manual Serial Set Statutes at Large United States Code Capitol Brumidi Corridors Congressional Prayer Room Crypt Dome Statue of Freedom Rotunda Hall of Columns Statuary Hall Visitor Center The Apotheosis of Washington Statue of Freedom Declaration of Independence painting Scene at the Signing of the Constitution of the United States Apotheosis of Democracy First Reading of the Emancipation Proclamation of President Lincoln Surrender of General Burgoyne Surrender of Lord Cornwallis Revolutionary War Door Westward the Course of Empire Takes Its Way Vice President 's Room Vice Presidential Bust Collection Office buildings Senate Dirksen Hart Mountains and Clouds Russell House Building Commission Cannon Ford Longworth O'Neill Rayburn Other facilities Botanic Garden Health and Fitness Facility House Recording Studio Senate chamber Old Senate Chamber Old Supreme Court Chamber Power Plant Webster Page Residence Subway ` Retrieved from `` https://en.wikipedia.org/w/index.php?title=List_of_members_of_the_United_States_Congress_by_longevity_of_service&oldid=826699323 '' Categories : Lists of members of the United States Congress Senior legislators Lists of people by time in office Hidden categories : Articles lacking in - 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Question: who is the longest serving member of the house of representatives
Answer: John Dingell