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These are tables of congressional delegations from Louisiana to the United States House of Representatives and the United States Senate.
The current dean of the Louisiana delegation is Representative and House Majority Leader Steve Scalise (LA-1), having served in the House since 2008.
U.S. House of Representatives
Current members
List of current members, their terms in office, district boundaries, and the district political ratings according to the CPVI. The delegation has 6 members, including 4 Republicans and 2 Democrat.
1806–1811: 1 non-voting delegate
The first non-voting delegate took his seat on December 1, 1806, representing Orleans Territory's at-large congressional district.
{| class=wikitable style="text-align:center"
! Congress
! Delegate at-large
|- style="height:2.5em"
| (1805–1807)
| rowspan=2 | Daniel Clark
|- style="height:2.5em"
| (1807–1809)
|- style="height:2.5em"
| (1809–1811)
| Julien de Lallande Poydras
|}
1812–1823: 1 seat
Statehood was achieved and a representative elected on April 30, 1812.
{| class=wikitable style="text-align:center"
! Congress
!
|- style="height:2.5em"
| (1811–1813)
| rowspan=4 | Thomas B. Robertson (DR)
|- style="height:2.5em"
| (1813–1815)
|- style="height:2.5em"
| (1815–1817)
|- style="height:2em"
| rowspan=2 | (1817–1819)
|- style="height:2em"
| rowspan=2 | Thomas Butler (DR)
|- style="height:2.5em"
| (1819–1821)
|- style="height:2.5em"
| (1821–1823)
| | Josiah S. Johnston (DR)
|}
1823–1843: 3 seats
Two more seats were apportioned following the 1820 census.
{| class=wikitable style="text-align:center"
! Congress
!
!
!
|- style="height:2.5em"
| (1823–1825)
| | Edward Livingston (DR)
| | Henry H. Gurley (DR)
| | William L. Brent (DR)
|- style="height:2.5em"
| (1825–1827)
| rowspan=2 | Edward Livingston (J)
| rowspan=3 | Henry H. Gurley (NR)
| rowspan=2 | William L. Brent (NR)
|- style="height:2.5em"
| (1827–1829)
|- style="height:2.5em"
| (1829–1831)
| rowspan=3 | Edward D.<br/>White Sr. (NR)
| | Walter Hampden Overton (J)
|- style="height:2.5em"
| (1831–1833)
| rowspan=3 | Philemon Thomas (J)
| rowspan=2 | Henry A. Bullard (NR)
|- style="height:1.25em"
| rowspan=2 | (1833–1835)
|- style="height:1.25em"
| rowspan=3 | Henry Johnson (W)
| rowspan=2 | Rice Garland (NR)
|- style="height:2.5em"
| (1835–1837)
| rowspan=2 | Eleazer W. Ripley (J)
|- style="height:2.5em"
| (1837–1839)
| rowspan=2 | Rice Garland (W)
|- style="height:1.25em"
| rowspan=2 | (1839–1841)
| rowspan=3 | Edward D.<br/>White Sr. (W)
| rowspan=2 | Thomas W. Chinn (W)
|- style="height:1.25em"
| rowspan=2 | John Moore (W)
|- style="height:2.5em"
| (1841–1843)
| | John Bennett Dawson (D)
|}
1843–1863: 4 seats
A fourth seat was added following the 1840 census.
{| class=wikitable style="text-align:center"
! Congress
!
!
!
!
|- style="height:2em"
| rowspan=2 | (1843–1845)
| rowspan=3 | John Slidell (D)
| rowspan=2 | Alcée Louis la Branche (D)
| rowspan=2 | John Bennett Dawson (D)
| | Pierre Bossier (D)
|- style="height:1.5em"
| rowspan=6 | Isaac E. Morse (D)
|- style="height:1.25em"
| rowspan=2 | (1845–1847)
| rowspan=3 | Bannon G. Thibodeaux (D)
| rowspan=4 | John H. Harmanson (D)
|- style="height:1.25em"
| rowspan=4 | Emile La Sére (D)
|- style="height:2.5em"
| (1847–1849)
|- style="height:2em"
| rowspan=2 | (1849–1851)
| | Charles Magill Conrad (W)
|- style="height:2em"
| | Henry A. Bullard (W)
| rowspan=2 | Alexander G. Penn (D)
|- style="height:2.5em"
| (1851–1853)
| | Louis St. Martin (D)
| | Joseph Aristide Landry (W)
| | John Moore (W)
|- style="height:2.5em"
| (1853–1855)
| | William Dunbar (D)
| | Theodore G. Hunt (D)
| | John Perkins Jr. (D)
| | Roland Jones (D)
|- style="height:2.5em"
| (1855–1857)
| rowspan=2 | George Eustis Jr. (KN)
| rowspan=3 | Miles Taylor (D)
| rowspan=3 | Thomas G. Davidson (D)
| rowspan=2 | John M. Sandidge (D)
|- style="height:2.5em"
| (1857–1859)
|- style="height:2.5em"
| (1859–1861)
| | John Edward Bouligny (KN)
| | John M. Landrum (D)
|- style="height:2em"
| rowspan=2 | (1861–1863)
| colspan=4 | American Civil War
|- style="height:2em"
| | Benjamin Flanders (U)
| | Michael Hahn (U)
| colspan=2 | American Civil War
|}
1863–1873: 5 seats
A fifth seat was added following the 1860 census. However, the Civil War prevented them from being seated until July 18, 1868.
{| class=wikitable style="text-align:center"
! Congress
!
!
!
!
!
|- style="height:2em"
| (1863–1865)
| rowspan=3 colspan=5 | American Civil War
|- style="height:2em"
| (1865–1867)
|- style="height:1.25em"
| rowspan=2 | (1867–1869)
|- style="height:2em"
| <!--1--> | J. Hale Sypher (R)
| <!--2--> | James Mann (D)
| <!--3--> | Joseph P. Newsham (R)
| <!--4--> | Michel Vidal (R)
| | W. Jasper Blackburn (R)
|- style="height:2em"
| rowspan=2 | (1869–1871)
| <!--1--> | vacant
| <!--2--> rowspan=4 | Lionel Allen<br/>Sheldon (R)
| <!--3--> rowspan=4 | Chester Bidwell<br/>Darrall (R)
| <!--4--> | vacant
| rowspan=4 | Frank Morey (R)
|- style="height:2em"
| <!--1--> rowspan=3 | J. Hale Sypher (R)
| <!--4--> | Joseph P. Newsham (R)
|- style="height:2em"
| rowspan=2 | (1871–1873)
| <!--4--> | James McCleery (R)
|- style="height:2em"
| <!--4--> | Alexander Boarman (LR)
|}
1873–1903: 6 seats
A sixth seat was added following the 1870 census. From 1873 to 1875, that extra seat was elected at-large statewide. Starting in 1875, however, the state was redistricted into six districts.
{| class=wikitable style="text-align:center"
|- style="height:2.5em"
! Congress !! !! !! !! !! !!
|- style="height:2em"
| rowspan=2 |
| | J. Hale Sypher (R)
| rowspan=2 | Lionel Allen<br/>Sheldon (R)
| rowspan=5 | Chester B. Darrall (R)
| | vacant
| rowspan=3 | Frank Morey (R)
| rowspan=2 | George A. Sheridan (LR)
|- style="height:2em"
| | Effingham Lawrence (D)
| | George L. Smith (R)
|- style="height:2em"
| rowspan=2 |
| rowspan=6 | Randall L. Gibson (D)
| rowspan=7 | E. John Ellis (D)
| rowspan=2 | William M. Levy (D)
!
|- style="height:2.5em"
| | William B. Spencer (D)
| | Charles E. Nash (R)
|- style="height:2em"
| rowspan=2 |
| rowspan=3 | Joseph Barton<br/>Elam (D)
| | John E. Leonard (R)
| rowspan=4 | Edward W. Robertson (D)
|- style="height:2em"
| rowspan=2 | Joseph H. Acklen (D)
| | J. Smith Young (D)
|- style="height:2.5em"
|
| rowspan=5 | J. Floyd King (D)
|- style="height:2.5em"
|
| | Chester B. Darrall (R)
| rowspan=9 | Newton C.<br/>Blanchard (D)
|- style="height:2.5em"
|
| | Carleton Hunt (D)
| | William Pitt Kellogg (R)
| | Edward T. Lewis (D)
|- style="height:2em"
| rowspan=2 |
| rowspan=2 | Louis St. Martin (D)
| | Michael Hahn (R)
| rowspan=5 | Edward J. Gay (D)
| rowspan=2 | Alfred Briggs Irion (D)
|- style="height:2em"
| | Nathaniel D. Wallace (D)
|- style="height:2em"
| rowspan=2 |
| rowspan=4 | Theodore S.<br/>Wilkinson (D)
| rowspan=2 | Matthew D. Lagan (D)
| rowspan=2 | Cherubusco Newton (D)
| | Edward W. Robertson (D)
|- style="height:1.5em"
| rowspan=9 | Samuel M.<br/>Robertson (D)
|- style="height:1.5em"
| rowspan=2 |
| rowspan=2 | Hamilton D. Coleman (R)
| rowspan=5 | Charles J. Boatner (D)
|- style="height:1.5em"
| rowspan=4 | Andrew Price (D)
|- style="height:2.5em"
|
| rowspan=6 | Adolph Meyer (D)
| | Matthew D. Lagan (D)
|- style="height:2.5em"
|
| | Robert C. Davey (D)
| rowspan=3 | Henry Warren<br/>Ogden (D)
|- style="height:2.5em"
|
| | Charles F. Buck (D)
|- style="height:2.5em"
|
| rowspan=3 | Robert C. Davey (D)
| rowspan=3 | Robert F.<br/>Broussard (D)
| | Samuel T. Baird (D)
|- style="height:2.5em"
|
| rowspan=2 | Phanor Breazeale (D)
| rowspan=2 | Joseph E. Ransdell (D)
|- style="height:2.5em"
|
|}
1903–1913: 7 seats
A seventh seat was added following the 1900 census.
{| class=wikitable style="text-align:center"
! rowspan=2 | Congress
! colspan=7 | District
|- style="height:2em"
!
!
!
!
!
!
!
|- style="height:2.5em"
|
| rowspan=3 | Adolph<br/>Meyer (D)
| rowspan=3 | Robert C.<br/>Davey (D)
| rowspan=8 | Robert F.<br/>Broussard (D)
| | Phanor Breazeale (D)
| rowspan=8 | Joseph E.<br/>Ransdell (D)
| rowspan=2 | Samuel M.<br/>Robertson (D)
| rowspan=8 | Arsène<br/>Pujo (D)
|- style="height:2.5em"
|
| rowspan=7 | John T. Watkins (D)
|- style="height:1.5em"
| rowspan=2 |
| rowspan=2 | George K. Favrot (D)
|- style="height:1.5em"
| rowspan=5 | Albert<br/>Estopinal (D)
| rowspan=2 | Samuel L.<br/>Gilmore (D)
|- style="height:1.5em"
| rowspan=2 | (1909–1911)
| rowspan=3 | Robert Charles<br/>Wickliffe (D)
|- style="height:1.5em"
| rowspan=3 | H. Garland<br/>Dupré (D)
|- style="height:1.5em"
| rowspan=2 | (1911–1913)
|- style="height:2em"
| | Lewis L. Morgan (D)
|}
1913–1993: 8 seats
After the 1910 census, Louisiana's delegation reached its largest size, eight seats, which it held for 80 years.
{| class="wikitable sticky-header-multi sortable" style="text-align:center"
! rowspan=2 class=unsortable | Congress
! colspan=8 | District
|- style="height:2em"
! class=unsortable |
! class=unsortable |
! class=unsortable |
! class=unsortable |
! class=unsortable |
! class=unsortable |
! class=unsortable |
! class=unsortable |
|- style="height:2.5em"
|
| rowspan=3 | Albert<br/>Estopinal (D)
| rowspan=6 | H. Garland<br/>Dupré (D)
| | Robert Broussard (D)
| rowspan=4 | John T.<br/>Watkins (D)
| | James W. Elder (D)
| rowspan=2 | Lewis L.<br/>Morgan (D)
| rowspan=8 | Ladislas<br/>Lazaro (D)
| rowspan=10 | James B.<br/>Aswell (D)
|- style="height:2.5em"
|
| rowspan=2 | Whitmell P.<br/>Martin (Prog)
| rowspan=12 | Riley J. Wilson (D)
|- style="height:2.5em"
|
| rowspan=2 | J. Y. Sanders Sr. (D)
|- style="height:2.5em"
|
| rowspan=7 | James<br/>O'Connor (D)
| rowspan=6 | Whitmell P.<br/>Martin (D)
|- style="height:2.5em"
|
| rowspan=9 | John N.<br/>Sandlin (D)
| rowspan=3 | George K.<br/>Favrot (D)
|- style="height:1.5em"
| rowspan=2 |
|- style="height:1.5em"
| rowspan=4 | James Z.<br/>Spearing (D)
|- style="height:2.5em"
|
| rowspan=5 | Bolivar E. Kemp (D)
|- style="height:2.5em"
|
| rowspan=7 | René L.<br/>De Rouen (D)
|- style="height:2.5em"
|
| rowspan=4 | Numa F. Montet (D)
|- style="height:2.5em"
|
| rowspan=5 | Joachim O.<br/>Fernández (D)
| rowspan=5 | Paul H.<br/>Maloney (D)
| | John H. Overton (D)
|- style="height:2.5em"
|
| rowspan=2 | Cleveland Dear (D)
|- style="height:2.5em"
|
| | J. Y. Sanders Jr. (D)
|- style="height:2.5em"
|
| rowspan=2 | Robert L.<br/>Mouton (D)
| rowspan=13 | Overton<br/>Brooks (D)
| rowspan=3 | Newt V. Mills (D)
| rowspan=2 | John K. Griffith (D)
| rowspan=8 | A. Leonard<br/>Allen (D)
|- style="height:2.5em"
|
|- style="height:2.5em"
|
| rowspan=18 | F. Edward<br/>Hébert (D)
| | Hale Boggs (D)
| rowspan=4 | Jimmy<br/>Domengeaux (D)
| | J. Y. Sanders Jr. (D)
| | Vance Plauché (D)
|- style="height:2.5em"
|
| rowspan=2 | Paul H.<br/>Maloney (D)
| rowspan=2 | Charles E.<br/>McKenzie (D)
| rowspan=12 | James H.<br/>Morrison (D)
| rowspan=5 | Henry D.<br/>Larcade Jr. (D)
|- style="height:2.5em"
|
|- style="height:2.5em"
|
| rowspan=13 | Hale Boggs (D)
| rowspan=15 | Otto Passman (D)
|- style="height:2.5em"
|
| rowspan=10 | Edwin E. Willis (D)
|- style="height:2.5em"
|
|- style="height:2.5em"
|
| rowspan=7 | T. Ashton<br/>Thompson (D)
| rowspan=3 | George S. Long (D)
|- style="height:2.5em"
|
|- style="height:2.5em"
|
|- style="height:2.5em"
|
| rowspan=2 | Harold B.<br/>McSween (D)
|- style="height:2.5em"
|
|- style="height:2.5em"
|
| rowspan=8 | Joe<br/>Waggonner (D)
| | Gillis W. Long (D)
|- style="height:2.5em"
|
| rowspan=4 | Speedy Long (D)
|- style="height:2.5em"
|
| rowspan=4 | John Rarick (D)
| rowspan=3 | Edwin<br/>Edwards (D)
|- style="height:2.5em"
|
| rowspan=2 | Patrick T.<br/>Caffery (D)
|- style="height:2.5em"
|
|- style="height:2.5em"
|
| rowspan=10 | Lindy Boggs (D)
| rowspan=4 | Dave Treen (R)
| rowspan=8 | John Breaux (D)
| rowspan=7 | Gillis W. Long (D)
|- style="height:2.5em"
|
| rowspan=7 | Henson Moore (R)
|- style="height:2.5em"
|
| | Rick Tonry (D)
| rowspan=9 | Jerry Huckaby (D)
|- style="height:2.5em"
|
| rowspan=8 | Bob<br/>Livingston (R)
| | Buddy Leach (D)
|- style="height:2.5em"
|
| rowspan=7 | Billy Tauzin (D)
| rowspan=5 | Buddy<br/>Roemer (D)
|- style="height:2.5em"
|
|- style="height:1.5em"
| rowspan=2|
|- style="height:2em"
| | Cathy Long (D)
|- style="height:2.5em"
|
| rowspan=3 | Richard Baker (R)
| rowspan=3 | Jimmy Hayes (D)
| rowspan=3 | Clyde C.<br/>Holloway (R)
|- style="height:2.5em"
|
| rowspan=2 | Jim McCrery (R)
|- style="height:2.5em"
|
| | Bill Jefferson (D)
|}
1993–2013: 7 seats
After the 1990 census, Louisiana lost one seat.
{| class=wikitable style="text-align:center"
! rowspan=2 | Congress
! colspan=7 | District
|- style="height:2em"
!
!
!
!
!
!
!
|- style="height:2.5em"
| (1993–1995)
| rowspan=3 | Bob Livingston (R)
| rowspan=9 | Bill<br/>Jefferson (D)
| | Billy Tauzin (D)
| rowspan=2 | Cleo Fields (D)
| rowspan=2 | Jim McCrery (R)
| rowspan=8 | Richard Baker (R)
| | Jimmy Hayes (D)
|- style="height:2.5em"
| (1995–1997)
| rowspan=5 | Billy Tauzin (R)
| | Jimmy Hayes (R)
|- style="height:2.5em"
| (1997–1999)
| rowspan=7 | Jim McCrery (R)
| rowspan=3 | John Cooksey (R)
| rowspan=4 | Chris John (D)
|- style="height:2.5em"
| (1999–2001)
| rowspan=3 | David Vitter (R)
|- style="height:2.5em"
|
|- style="height:2.5em"
|
| rowspan=1 | Rodney Alexander (D)
|- style="height:2.5em"
|
| rowspan=2 | Bobby Jindal (R)
| rowspan=4 | Charlie<br/>Melançon (D)
| rowspan=6 | Rodney Alexander (R)
| rowspan=5 | Charles<br/>Boustany (R)
|- style="height:1.5em"
| rowspan=2 |
|- style="height:1.5em"
| rowspan=4 | Steve Scalise (R)
| rowspan=1 | Don Cazayoux (D)
|- style="height:2.5em"
| (2009–2011)
| rowspan=1 | Joseph Cao (R)
| rowspan=3 | John Fleming (R)
| rowspan=3 | Bill Cassidy (R)
|- style="height:2.5em"
| (2011–2013)
| rowspan=2 | Cedric Richmond (D)
| rowspan=1 | Jeff Landry (R)
|}
2013–present: 6 seats
After the 2010 census, Louisiana lost one seat due to stagnant population growth and the loss of citizens who left the state after Hurricane Katrina and did not return.
{| class=wikitable style="text-align:center"
|- style="height:2.5em"
! Congress !! !! !! !! !! !!
|- style="height:2em"
| rowspan=2 | (2013–2015)
| rowspan=9 | Steve Scalise (R)
| rowspan=6 | Cedric<br/>Richmond (D)
| rowspan=3 | Charles<br/>Boustany (R)
| rowspan=3 | John Fleming (R)
| | Rodney Alexander (R)
| rowspan=2 | Bill Cassidy (R)
|- style="height:2em"
| | Vance McAllister (R)
|- style="height:2.5em"
| (2015–2017)
| rowspan=3 | Ralph Abraham (R)
| rowspan=6 | Garret Graves (R)
|- style="height:2.5em"
| (2017–2019)
| rowspan=6 | Clay Higgins (R)
| rowspan=6 | Mike Johnson (R)
|- style="height:2.5em"
| (2019–2021)
|- style="height:1.5em"
| rowspan=2 | (2021–2023)
| rowspan=4 | Julia Letlow (R)
|- style="height:1.5em"
| rowspan=3 | Troy Carter (D)
|- style="height:2.5em"
| (2023–2025)
|- style="height:2.5em"
| (2025–2027)
| rowspan=1 | Cleo Fields (D)
|}
United States Senate
{| class="wikitable floatright" style="text-align: center;"
|-
! colspan=3 | Current U.S. senators from Louisiana
|-
! rowspan=2 | <br/><br/>
{| class="wikitable"
! CPVI :
|-
|
|}
! Class II senator
! Class III senator
|- style="vertical-align: top;"
| x150px<br/>Bill Cassidy<br/><br>
| x150px<br/>John Kennedy<br/><br>
|-
! Party
|
|
|-
! Incumbent since
| January 3, 2015
| January 3, 2017
|}
{| class="wikitable sticky-header" style="text-align:center"
! Class II
!
! Congress
!
! Class III
|- style="height:2em"
| rowspan=1 | Jean Noël Destréhan (DR)
| rowspan="5" style="background: #D3D3D3"|
| rowspan=3 | 12th (1811–1813)
| rowspan="3" style="background: #D3D3D3"|
| rowspan="3" | Allan B. Magruder (DR)
|- style="height:2em"
| rowspan=1 | Thomas Posey (DR)
|- style="height:1.25em"
| rowspan=3 | James Brown (DR)
|- style="height:2em"
| 13th (1813–1815)
| rowspan="4" |
| rowspan="4" | Eligius Fromentin (DR)
|- style="height:2em"
| 14th (1815–1817)
|- style="height:2em"
| |William C. C. Claiborne (DR)
| rowspan="4" |
| rowspan=2 | 15th (1817–1819)
|- style="height:1.25em"
| rowspan=4 | Henry Johnson (DR)
|- style="height:2em"
| 16th (1819–1821)
| rowspan="4" style="background: #D3D3D3"|
| rowspan="3" | James Brown (DR)
|- style="height:2em"
| 17th (1821–1823)
|- style="height:1.25em"
| rowspan="4" style="background: #D3D3D3"|
| rowspan=2 | 18th (1823–1825)
|- style="height:2em"
| | Dominique Bouligny (DR)
| | Josiah S. Johnston (DR)
|- style="height:2em"
| rowspan=2 | Dominique Bouligny (NR)
| 19th (1825–1827)
| rowspan="3" |
| rowspan="6" | Josiah S. Johnston (NR)
|- style="height:2em"
| 20th (1827–1829)
|- style="height:2em"
| rowspan=2 | Edward Livingston (J)
| rowspan="5" |
| 21st (1829–1831)
|- style="height:1.25em"
| rowspan=2 | 22nd (1831–1833)
| rowspan="6" style="background: #D3D3D3"|
|- style="height:1.25em"
| rowspan=3 | George A. Waggaman (NR)
|- style="height:1.25em"
| rowspan=2 | 23rd (1833–1835)
|- style="height:1.25em"
| rowspan=2 | Alexander Porter (NR)
|- style="height:1.25em"
| rowspan=2 | Robert C. Nicholas (J)
| rowspan="4" style="background: #D3D3D3"|
| rowspan=2 | 24th (1835–1837)
|- style="height:2em"
| | Alexandre Mouton (J)
|- style="height:2em"
| rowspan=2 | Robert C. Nicholas (D)
| 25th (1837–1839)
| rowspan="4" |
| rowspan="3" |Alexandre Mouton (D)
|- style="height:2em"
| 26th (1839–1841)
|- style="height:1.25em"
| rowspan=4 | Alexander Barrow (W)
| rowspan="5" |
| rowspan=2 | 27th (1841–1843)
|- style="height:2em"
| |Charles Magill Conrad (W)
|- style="height:2em"
| 28th (1843–1845)
| rowspan="4" style="background: #D3D3D3"|
| rowspan="4" | Henry Johnson (W)
|- style="height:1.25em"
| rowspan=2 | 29th (1845–1847)
|- style="height:2em"
| |Pierre Soulé (D)
|- style="height:2em"
| rowspan=3 | Solomon W. Downs (D)
| rowspan="3" style="background: #D3D3D3"|
| 30th (1847–1849)
|- style="height:2em"
| 31st (1849–1851)
| rowspan="4" |
| rowspan=3 | Pierre Soulé (D)
|- style="height:2em"
| 32nd (1851–1853)
|- style="height:1.25em"
| rowspan=5 | Judah P. Benjamin (W)
| rowspan="4" |
| rowspan=2 | 33rd (1853–1855)
|- style="height:1.25em"
| rowspan=4 | John Slidell (D)
|- style="height:2em"
| 34th (1855–1857)
| rowspan="4" style="background: #D3D3D3"|
|- style="height:2em"
| 35th (1857–1859)
|- style="height:1.25em"
| rowspan="4" style="background: #D3D3D3"|
| rowspan=2 | 36th (1859–1861)
|- style="height:1.25em"
| rowspan=5 | vacant
| rowspan=5 | vacant
|- style="height:2em"
| 37th (1861–1863)
| rowspan="3" |
|- style="height:2em"
| 38th (1863–1865)
|- style="height:2em"
| rowspan="4" |
| 39th (1865–1867)
|- style="height:1.25em"
| rowspan=2 | 40th (1867–1869)
| rowspan="4" style="background: #D3D3D3"|
|- style="height:1.25em"
| rowspan=2 | John S. Harris (R)
| rowspan=3 | William Pitt Kellogg (R)
|- style="height:2em"
| 41st (1869–1871)
|- style="height:2em"
| rowspan=4 | J. R. West (R)
| rowspan="4" style="background: #D3D3D3"|
| 42nd (1871–1873)
|- style="height:2em"
| 43rd (1873–1875)
| rowspan="4" |
| rowspan="2" | vacant
|- style="height:1.25em"
| rowspan=2 | 44th (1875–1877)
|- style="height:1.25em"
| rowspan=2 | James B. Eustis (D)
|- style="height:2em"
| rowspan=3 | William Pitt Kellogg (R)
| rowspan="3" |
| 45th (1877–1879)
|- style="height:2em"
| 46th (1879–1881)
| rowspan="3" style="background: #D3D3D3"|
| rowspan=3 | Benjamin F. Jonas (D)
|- style="height:2em"
| 47th (1881–1883)
|- style="height:2em"
| rowspan=5 | Randall L. Gibson (D)
| rowspan="3" style="background: #D3D3D3"|
| 48th (1883–1885)
|- style="height:2em"
| 49th (1885–1887)
| rowspan="3" |
| rowspan=3 | James B. Eustis (D)
|- style="height:2em"
| 50th (1887–1889)
|- style="height:2em"
| rowspan="5" |
| 51st (1889–1891)
|- style="height:1.25em"
| rowspan=2 | 52nd (1891–1893)
| rowspan="5" style="background: #D3D3D3"|
| rowspan=3 | Edward Douglass White (D)
|- style="height:1.25em"
| rowspan=6 | Donelson Caffery (D)
|- style="height:1.25em"
| rowspan=2 | 53rd (1893–1895)
|- style="height:1.25em"
| rowspan=2 | Newton C. Blanchard (D)
|- style="height:2em"
| rowspan="3" style="background: #D3D3D3"|
| 54th (1895–1897)
|- style="height:2em"
| 55th (1897–1899)
| rowspan="3" |
| rowspan=7 | Samuel D. McEnery (D)
|- style="height:2em"
| 56th (1899–1901)
|- style="height:2em"
| rowspan=7 | Murphy J. Foster (D)
| rowspan="3" |
| 57th (1901–1903)
|- style="height:2em"
| 58th (1903–1905)
| rowspan="3" style="background: #D3D3D3"|
|- style="height:2em"
| 59th (1905–1907)
|- style="height:2em"
| rowspan="4" style="background: #D3D3D3"|
| 60th (1907–1909)
|- style="height:1.25em"
| rowspan=2 | 61st (1909–1911)
| rowspan="4" |
|- style="height:1.25em"
| rowspan=3 | John Thornton (D)
|- style="height:2em"
| 62nd (1911–1913)
|- style="height:2em"
| rowspan=11 | Joseph E. Ransdell (D)
| rowspan="5" |
| 63rd (1913–1915)
|- style="height:2em"
| 64th (1915–1917)
| rowspan="5" style="background: #D3D3D3"|
| rowspan=2 | Robert F. Broussard (D)
|- style="height:1.25em"
| rowspan=3 | 65th (1917–1919)
|- style="height:2em"
| |Walter Guion (D)
|- style="height:1.25em"
| rowspan=2 | Edward J. Gay (D)
|- style="height:2em"
| rowspan="3" style="background: #D3D3D3"|
| 66th (1919–1921)
|- style="height:2em"
| 67th (1921–1923)
| rowspan="3" |
| rowspan=6 | Edwin S. Broussard (D)
|- style="height:2em"
| 68th (1923–1925)
|- style="height:2em"
| rowspan="3" |
| 69th (1925–1927)
|- style="height:2em"
| 70th (1927–1929)
| rowspan="3" style="background: #D3D3D3"|
|- style="height:2em"
| 71st (1929–1931)
|- style="height:2em"
| rowspan=3 | Huey Long (D)
| rowspan="4" style="background: #D3D3D3"|
| 72nd (1931–1933)
|- style="height:2em"
| 73rd (1933–1935)
| rowspan="4" |
| rowspan=9 | John H. Overton (D)
|- style="height:1.25em"
| rowspan=2 | 74th (1935–1937)
|- style="height:2em"
| |Rose McConnell Long (D)
|- style="height:2em"
| rowspan=20 | Allen J. Ellender (D)
| rowspan="3" |
| 75th (1937–1939)
|- style="height:2em"
| 76th (1939–1941)
| rowspan="3" style="background: #D3D3D3"|
|- style="height:2em"
| 77th (1941–1943)
|- style="height:2em"
| rowspan="5" style="background: #D3D3D3"|
| 78th (1943–1945)
|- style="height:2em"
| 79th (1945–1947)
| rowspan="5" |
|- style="height:1.25em"
| rowspan=3 | 80th (1947–1949)
|- style="height:2em"
| |William C. Feazel (D)
|- style="height:1.25em"
| rowspan=22 | Russell B. Long (D)
|- style="height:2em"
| rowspan="3" |
| 81st (1949–1951)
|- style="height:2em"
| 82nd (1951–1953)
| rowspan="3" style="background: #D3D3D3"|
|- style="height:2em"
| 83rd (1953–1955)
|- style="height:2em"
| rowspan="3" style="background: #D3D3D3"|
| 84th (1955–1957)
|- style="height:2em"
| 85th (1957–1959)
| rowspan="3" |
|- style="height:2em"
| 86th (1959–1961)
|- style="height:2em"
| rowspan="3" |
| 87th (1961–1963)
|- style="height:2em"
| 88th (1963–1965)
| rowspan="3" style="background: #D3D3D3"|
|- style="height:2em"
| 89th (1965–1967)
|- style="height:2em"
| rowspan="5" style="background: #D3D3D3"|
| 90th (1967–1969)
|- style="height:2em"
| 91st (1969–1971)
| rowspan="5" |
|- style="height:1.25em"
| rowspan=3 | 92nd (1971–1973)
|- style="height:2em"
| |Elaine Edwards (D)
|- style="height:1.25em"
| rowspan=13 | J. Bennett Johnston (D)
|- style="height:2em"
| rowspan="3" |
| 93rd (1973–1975)
|- style="height:2em"
| 94th (1975–1977)
| rowspan="3" style="background: #D3D3D3"|
|- style="height:2em"
| 95th (1977–1979)
|- style="height:2em"
| rowspan="3" style="background: #D3D3D3"|
| 96th (1979–1981)
|- style="height:2em"
| 97th (1981–1983)
| rowspan="3" |
|- style="height:2em"
| 98th (1983–1985)
|- style="height:2em"
| rowspan="3" |
| 99th (1985–1987)
|- style="height:2em"
| 100th (1987–1989)
| rowspan="3" style="background: #D3D3D3"|
| rowspan=9 | John Breaux (D)
|- style="height:2em"
| 101st (1989–1991)
|- style="height:2em"
| rowspan="3" style="background: #D3D3D3"|
| 102nd (1991–1993)
|- style="height:2em"
| 103rd (1993–1995)
| rowspan="3" |
|- style="height:2em"
| 104th (1995–1997)
|- style="height:2em"
| rowspan=9 | Mary Landrieu (D)
| rowspan="3" |
| 105th (1997–1999)
|- style="height:2em"
| 106th (1999–2001)
| rowspan="3" style="background: #D3D3D3"|
|- style="height:2em"
| 107th (2001–2003)
|- style="height:2em"
| rowspan="3" style="background: #D3D3D3"|
| 108th (2003–2005)
|- style="height:2em"
| 109th (2005–2007)
| rowspan="3" |
| rowspan=6 |David Vitter (R)
|- style="height:2em"
| 110th (2007–2009)
|- style="height:2em"
| rowspan="3" |
|111th (2009–2011)
|- style="height:2em"
|112th (2011–2013)
| rowspan="3" style="background: #D3D3D3"|
|- style="height:2em"
| 113th (2013–2015)
|- style="height:2em"
| rowspan=6 |Bill Cassidy (R)
| rowspan="3" style="background: #D3D3D3"|
| 114th (2015–2017)
|- style="height:2em"
| 115th (2017–2019)
| rowspan="3" |
| rowspan=5 |John Kennedy (R)
|- style="height:2em"
| 116th (2019–2021)
|- style="height:2em"
| rowspan="3" |
| 117th (2021–2023)
|- style="height:2em"
| 118th (2023–2025)
| rowspan="2" style="background: #D3D3D3"|
|- style="height:2em"
| 119th (2025–2027)
|- style="height:2em"
! colspan="2" | Class II
! Congress
! colspan="2" |Class III
|}
Key
See also
- List of United States congressional districts
- Louisiana's congressional districts
- Political party strength in Louisiana