Edward K. Valentine | | Republican | 1878 | Incumbent re-elected. | nowrap | |} Nevada |- ! | Rollin M. Daggett | | 1878 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |} New Hampshire |- ! | Joshua G. Hall | | 1878 | Incumbent re-elected. | nowrap | |- ! | James F. Briggs | | 1877 | Incumbent re-elected. | nowrap | |- ! | Evarts W. Farr | | 1878 | Incumbent re-elected. | nowrap | |} New Jersey |- ! | George M. Robeson | | 1878 | Incumbent re-elected. | nowrap | |- ! | Hezekiah B. Smith | | 1878 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | Miles Ross | | 1874 | Incumbent re-elected. | nowrap | |- ! | Alvah A. Clark | | 1876 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | Charles H. Voorhis | | 1878 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | John L. Blake | | 1878 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | Lewis A. Brigham | | 1878 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |} New York |- ! | James W. Covert | | 1876 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | Daniel O'Reilly | | Independent Democratic | 1878 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Simeon B. Chittenden | | 1874 | | Incumbent lost re-election.New member elected.Independent gain. | nowrap | |- ! | Archibald M. Bliss | | 1874 | Incumbent re-elected. | nowrap | |- ! | Nicholas Muller | | 1876 | | Incumbent lost renomination.New member elected.Democratic hold. | nowrap | |- ! | Samuel S. Cox | | 1873 | Incumbent re-elected. | nowrap | |- ! | Edwin Einstein | | 1878 | | Incumbent retired.New member elected.Democratic gain. | nowrap | |- ! | Anson G. McCook | | 1876 | Incumbent re-elected. | nowrap | |- ! | Fernando Wood | | 1866 | Incumbent re-elected. | nowrap | |- ! | James O'Brien | | Independent Democratic | 1878 | | Incumbent lost renomination.New member elected.Democratic gain. | nowrap | |- ! | Levi P.