United States congressional delegations from Maryland
These are tables of congressional delegations from Maryland in the United States House of Representatives and the United States Senate.
House of Representatives
Current members
List of members, their terms in office, district boundaries, and the district political ratings according to the CPVI. The delegation has 8 members: 7 Democrats and 1 Republican.| District | Member | Party | CPVI | Incumbency | District map |
| 1st | Andy Harris | Republican | R+14 | since January 3, 2011 | |
| 2nd | Dutch Ruppersberger | Democratic | D+11 | since January 3, 2003 | |
| 3rd | John Sarbanes | Democratic | D+13 | since January 3, 2007 | |
| 4th | Anthony G. Brown | Democratic | D+28 | since January 3, 2017 | |
| 5th | Steny Hoyer | Democratic | D+16 | since May 19, 1981 | |
| 6th | David Trone | Democratic | D+6 | since January 3, 2019 | |
| 7th | Kweisi Mfume | Democratic | D+26 | since April 28, 2020 | |
| 8th | Jamie Raskin | Democratic | D+14 | since January 3, 2017 |
1789–1793: Six seats
1793–1803: Eight seats
Maryland gained two representatives, up to eight.| Congress | ||||||||
| ' | George Dent | John F. Mercer | Uriah Forrest | Thomas Sprigg | Samuel Smith | Gabriel Christie | William Hindman | William V. Murray |
| ' | Gabriel Duvall | Benjamin Edwards | - | - | - | - | - | - |
| ' | George Dent | Gabriel Duvall | Jeremiah Crabb | Thomas Sprigg | Samuel Smith | Gabriel Christie | William Hindman | William V. Murray |
| ' | Richard Sprigg Jr. | William Craik | - | - | - | - | - | - |
| ' | George Baer Jr. | William Matthews | John Dennis | - | - | - | - | - |
| ' | John C. Thomas | Gabriel Christie | Joseph H. Nicholson | - | - | - | - | - |
| ' | John Campbell | Richard Sprigg Jr. | Thomas Plater | Daniel Hiester | John Archer | - | - | - |
| ' | Walter Bowie | - | - | - | - | - | - | - |
1803–1833: Nine seats
Maryland gained one representative, up to nine. The fifth district had two representatives: one from Baltimore City, and the other from Baltimore County, Maryland.1833–1843: Eight seats
Maryland lost one representative, down to eight. The fourth district had two representatives from 1835–1843.1843–1863: Six seats
Maryland lost two representatives, down to six.| Congress | ||||||
| ' | John M. S. Causin | Francis Brengle | John Wethered | John P. Kennedy | Jacob A. Preston | Thomas A. Spence |
| ' | John G. Chapman | Thomas J. Perry | Thomas W. Ligon | William F. Giles | Albert Constable | Edward H. C. Long |
| ' | James D. Roman | Robert Milligan McLane | Alexander Evans | John W. Crisfield | - | - |
| ' | Richard J. Bowie | William T. Hamilton | Edward Hammond | John B. Kerr | - | - |
| ' | Thomas Yates Walsh | Joseph S. Cottman | - | - | - | - |
| ' | John R. Franklin | Jacob Shower | Joshua Van Sant | William T. Hamilton | Henry May | Augustus R. Sollers |
| ' | James A. Stewart | James B. Ricaud | J. Morrison Harris | Henry Winter Davis | Henry William Hoffman | Thomas F. Bowie |
| ' | Jacob Michael Kunkel | - | - | - | - | - |
| ' | Edwin H. Webster | George W. Hughes | - | - | - | - |
| ' | John W. Crisfield | Edwin H. Webster | Cornelius Leary | Henry May | Francis Thomas | Charles Benedict Calvert |
1863–1873: Five seats
Maryland lost one representative, down to five.| Congress | |||||
| ' | John A. J. Creswell | Edwin H. Webster | Henry Winter Davis | Francis Thomas | Benjamin G. Harris |
| ' | Hiram McCullough | Charles E. Phelps | - | - | - |
| ' | John L. Thomas Jr. | - | - | - | - |
| ' | Stevenson Archer | Charles E. Phelps | Francis Thomas | Frederick Stone | - |
| ' | Samuel Hambleton | Thomas Swann | Patrick Hamill | - | - |
| ' | John Ritchie | William M. Merrick | - | - | - |
1873–1953: Six seats
Maryland gained one representative, up to six for the next 80 years.| Congress | ||||||
| ' | Ephraim King Wilson II | Stevenson Archer | William J. O'Brien | Thomas Swann | William J. Albert | Lloyd Lowndes Jr. |
| ' | Philip Thomas | Charles B. Roberts | Eli J. Henkle | William Walsh | - | - |
| ' | Daniel M. Henry | William Kimmel | - | - | - | - |
| ' | J. Frederick C. Talbott | Robert Milligan McLane | Milton G. Urner | - | - | - |
| ' | George W. Covington | Fetter Hoblitzell | Andrew G. Chapman | - | - | - |
| ' | John Van Lear Findlay | Hart B. Holton | Louis E. McComas | - | - | - |
| ' | Charles H. Gibson | Frank T. Shaw | William H. Cole | Barnes Compton | - | - |
| ' | Harry W. Rusk | - | - | - | - | - |
| ' | Isidor Rayner | - | - | - | - | - |
| ' | Herman Stump | Henry Stockbridge Jr. | - | - | - | - |
| ' | Sydney Emanuel Mudd I | - | - | - | - | - |
| ' | Henry Page John B. Brown | Isidor Rayner | Barnes Compton | William M. McKaig | - | - |
| ' | Robert F. Bratton | J. Frederick C. Talbott | - | - | - | - |
| ' | Winder L. Henry | Charles E. Coffin | - | - | - | - |
| ' | Joshua W. Miles | William Benjamin Baker | John K. Cowen | George L. Wellington | - | - |
| ' | Isaac A. Barber | William S. Booze | William W. McIntire | Sydney Emanuel Mudd I | John McDonald | - |
| ' | John Walter Smith | Frank C. Wachter | James W. Denny | George A. Pearre | - | - |
| ' | Josiah L. Kerr | - | - | - | - | - |
| ' | William Humphreys Jackson | Albert Blakeney | Charles R. Schirm | - | - | - |
| ' | J. Frederick C. Talbott | James W. Denny | - | - | - | - |
| ' | Thomas Alexander Smith | John Gill Jr. | - | - | - | - |
| ' | William Humphreys Jackson | Harry B. Wolf | - | - | - | - |
| ' | J. Harry Covington | John Kronmiller | - | - | - | - |
| ' | George Konig | J. Charles Linthicum | Thomas Parran, Sr. | David J. Lewis | - | - |
| ' | Charles P. Coady | Frank Owens Smith | - | - | - | - |
| ' | Jesse D. Price | Sydney Emanuel Mudd II | - | - | - | - |
| ' | Carville D. Benson | Frederick N. Zihlman | - | - | - | - |
| ' | William N. Andrews | - | - | - | - | - |
| ' | T. Alan Goldsborough | Albert A. Blakeney | John P. Hill | - | - | - |
| ' | Millard Tydings | - | - | - | - | - |
| ' | Stephen W. Gambrill | - | - | - | - | - |
| ' | William P. Cole Jr. | Vincent L. Palmisano | - | - | - | - |
| ' | Linwood L. Clark | - | - | - | - | - |
| ' | William P. Cole Jr. | David J. Lewis | - | - | - | - |
| ' | Ambrose J. Kennedy | - | - | - | - | - |
| ' | - | - | - | - | - | - |
| ' | - | - | - | - | - | - |
| ' | David J. Ward | Thomas D'Alesandro Jr. | Lansdale G. Sasscer | William D. Byron | - | - |
| ' | John A. Meyer | - | - | - | - | - |
| ' | Katharine E. Byron | - | - | - | - | - |
| ' | H. Streett Baldwin | Daniel Ellison | J. Glenn Beall | - | - | - |
| ' | Dudley Roe | George Hyde Fallon | - | - | - | - |
| ' | Edward T. Miller | Hugh A. Meade | - | - | - | - |
| ' | William P. Bolton | Edward Garmatz | - | - | - | - |
| James P. Devereux | - | - | - | - | - |
1953–1963: Seven seats
Maryland gained one representative, up to seven.| Congress | |||||||
| ' | Edward T. Miller | James P. Devereux | Edward Garmatz | George Hyde Fallon | Frank Small Jr. | DeWitt S. Hyde | Samuel Friedel |
| ' | Richard E. Lankford | - | - | - | - | - | - |
| ' | - | - | - | - | - | - | - |
| ' | Thomas F. Johnson | Daniel B. Brewster | John R. Foley | - | - | - | - |
| Charles Mathias Jr. | - | - | - | - | - | - |
1963 – present: Eight seats
Maryland gained one representative, up to eight. From 1963 through 1967, the eighth seat was elected at-large statewide. Starting in 1967, however, the state was redistricted and an eighth district was created.| Congress | ||||||||
| ' | Rogers Morton | Clarence Long | Edward Garmatz | George Hyde Fallon | Richard E. Lankford | Charles Mathias Jr. | Samuel Friedel | Carlton R. Sickles |
| ' | Hervey G. Machen | - | - | - | - | - | - | - |
| ' | - | - | - | - | - | - | - | |
| ' | Gilbert Gude | - | - | - | - | - | - | - |
| ' | Lawrence Hogan | J. Glenn Beall Jr. | - | - | - | - | - | - |
| ' | Paul Sarbanes | Goodloe Byron | Parren Mitchell | - | - | - | - | - |
| ' | William O. Mills | - | - | - | - | - | - | - |
| ' | Paul Sarbanes | Marjorie Holt | - | - | - | - | - | - |
| ' | Robert Bauman | - | - | - | - | - | - | - |
| ' | Gladys Spellman | - | - | - | - | - | - | - |
| ' | Barbara Mikulski | Newton Steers | - | - | - | - | - | - |
| ' | Beverly Byron | Michael D. Barnes | - | - | - | - | - | - |
| ' | Roy Dyson | - | - | - | - | - | - | - |
| ' | Steny Hoyer | - | - | - | - | - | - | - |
| ' | - | - | - | - | - | - | - | - |
| ' | Helen Bentley | - | - | - | - | - | - | - |
| ' | Ben Cardin | C. Thomas McMillen | Kweisi Mfume | Connie Morella | - | - | - | - |
| ' | - | - | - | - | - | - | - | - |
| ' | Wayne Gilchrest | - | - | - | - | - | - | - |
| ' | Albert Wynn | Roscoe Bartlett | - | - | - | - | - | - |
| ' | Robert L. Ehrlich | - | - | - | - | - | - | - |
| ' | Elijah Cummings | - | - | - | - | - | - | - |
| ' | - | - | - | - | - | - | - | - |
| ' | - | - | - | - | - | - | - | - |
| ' | - | - | - | - | - | - | - | - |
| ' | Dutch Ruppersberger | Chris Van Hollen | - | - | - | - | - | - |
| ' | - | - | - | - | - | - | - | - |
| ' | John Sarbanes | - | - | - | - | - | - | - |
| ' | Donna Edwards | - | - | - | - | - | - | - |
| ' | Frank Kratovil | - | - | - | - | - | - | - |
| ' | Andy Harris | - | - | - | - | - | - | - |
| ' | John K. Delaney | - | - | - | - | - | - | - |
| ' | - | - | - | - | - | - | - | - |
| ' | Anthony G. Brown | Jamie Raskin | - | - | - | - | - | - |
| ' | David Trone | - | - | - | - | - | - | - |
| ' | Kweisi Mfume | - | - | - | - | - | - | - |
| Congress |