| Incumbent re-elected. | nowrap | |- ! | John W. Caldwell | | 1876 | Incumbent re-elected. | nowrap | |- ! | J. Proctor Knott | | 1874 | Incumbent re-elected. | nowrap | |- ! | Albert S. Willis | | 1876 | Incumbent re-elected. | nowrap | |- ! | John G. Carlisle | | 1876 | Incumbent re-elected. | nowrap | |- ! | Joseph C. S. Blackburn | | 1874 | Incumbent re-elected. | nowrap | |- ! | Philip B. Thompson Jr. | | 1878 | Incumbent re-elected. | nowrap | |- ! | Thomas Turner | | 1876 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | Elijah Phister | | 1878 | Incumbent re-elected. | nowrap | |} Louisiana |- ! | Randall L. Gibson | | 1874 | Incumbent re-elected. | nowrap | |- ! | E. John Ellis | | 1874 | Incumbent re-elected. | nowrap | |- ! | Joseph H. Acklen | | 1876 | | Incumbent retired.New member elected.Republican gain. | nowrap | |- ! | Joseph B. Elam | | 1876 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | J. Floyd King | | 1878 | Incumbent re-elected. | nowrap | |- ! | Edward W. Robertson | | 1876 | Incumbent re-elected. | nowrap | |} Maine Maine held elections for its five members on September 13, 1880. |- ! | Thomas B. Reed | | 1876 | Incumbent re-elected. | nowrap | |- ! | William P. Frye | | 1870 | Incumbent re-elected. | nowrap | |- ! | Stephen Lindsey | | 1876 | Incumbent re-elected. | nowrap | |- ! | George W. Ladd | | Greenback | 1878 | Incumbent re-elected. | nowrap | |- ! | Thompson H. Murch | | Greenback | 1878 | Incumbent re-elected. | nowrap | |} Maryland |- ! | Daniel M. Henry | | 1876 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | Joshua F. C. Talbott | | 1878 | Incumbent re-elected. | nowrap | |- ! | William Kimmel | | 1876 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | Robert M. McLane | | 1878 | Incumbent re-elected. | nowrap | |- ! | Eli J. Henkle | |