were Democrats. |- ! rowspan=2 | | rowspan=2 | Lansing Stout | rowspan=2 | Democratic | rowspan=2 | 1858 | | Incumbent lost renomination.New member elected June 4, 1860.Democratic hold.Winner successfully challenged the results of the other election and was seated July 30, 1861. | nowrap | |- | | Incumbent lost renomination.New member elected November 6, 1860.Democratic hold.Winner was initially seated but later lost election challenge. | nowrap | |} Pennsylvania Pennsylvania elected its members on October 9, 1860. |- ! | Thomas B. Florence | | Democratic | 1848 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | Edward J. Morris | | People's | 1856 | | Incumbent re-elected.Republican gain. | nowrap | |- ! | John P. Verree | | People's | 1858 | | Incumbent re-elected.Republican gain. | nowrap | |- ! | William Millward | | People's | 1858 | | Incumbent retired.New member elected.Republican gain. | nowrap | |- ! | John Wood | | People's | 1858 | | Incumbent retired.New member elected.Republican gain. | nowrap | |- ! | John Hickman | | Democratic | 1856 | | Incumbent re-elected.Republican gain. | nowrap | |- ! | Thomas Corwin | | Republican | 1858 | Incumbent re-elected. | nowrap | |- ! | Jacob K. McKenty | | Democratic | 1860 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | Thaddeus Stevens | | People's | 1858 | | Incumbent re-elected.Republican gain. | nowrap | |- ! | John W. Killinger | | People's | 1858 | | Incumbent re-elected.Republican gain. | nowrap | |- ! | James H. Campbell | | People's | 1858 | | Incumbent re-elected.Republican gain. | nowrap | |- ! | George W. Scranton | | People's | 1858 | | Incumbent re-elected.Republican gain. | nowrap | |- ! | William H. Dimmick | | Democratic | 1856 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | Galusha A. Grow | | People's | 1850 | | Incumbent re-elected.Republican gain. | nowrap | |- ! | James Tracy Hale | | People's | 1858 | | Incumbent re-elected.Republican gain. | nowrap | |- ! | Benjamin F. Junkin | | People's | 1858 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Edward McPherson | | People's | 1858