| | Democratic | 1836 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | William W. Potter | | Democratic | 1836 | Incumbent re-elected. | nowrap | |- ! | David Petrikin | | Democratic | 1836 | Incumbent re-elected. | nowrap | |- ! | Robert H. Hammond | | Democratic | 1836 | Incumbent re-elected. | nowrap | |- ! | Samuel W. Morris | | Democratic | 1836 | Incumbent re-elected. | nowrap | |- ! | Charles Ogle | | Anti-Masonic | 1836 | Incumbent re-elected. | nowrap | |- ! | John Klingensmith Jr. | | Democratic | 1832 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | Andrew Buchanan | | Democratic | 1832 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | Thomas M. T. McKennan | | Anti-Masonic | 1830 | | Incumbent retired.New member elected.Democratic gain. | nowrap | |- ! | Richard Biddle | | Anti-Masonic | 1836 | Incumbent re-elected. | nowrap | |- ! | William Beatty | | Democratic | 1836 | Incumbent re-elected. | nowrap | |- ! | Thomas Henry | | Anti-Masonic | 1836 | Incumbent re-elected. | nowrap | |- ! | Arnold Plumer | | Democratic | 1836 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |} In the , Charles Naylor's election was unsuccessfully contested by Charles J. Ingersoll. There were three special elections in Pennsylvania during the 26th Congress. The first was in the caused by the death of William W. Potter (Democratic) on October 28, 1839. This vacancy was filled by George McCulloch (Democratic). The second was in the caused by the resignation of Richard Biddle. This vacancy was filled by Henry M. Brackenridge (Whig). The third was in the caused by the death of William S. Ramsey (Democratic) on October 17, 1840. Ramsey had also been re-elected to the 27th Congress and so an additional special election was held the following May to fill the vacancy in the 27th Congress. Rhode Island South Carolina Tennessee Elections held late, on August 1, 1839. |- ! | William B. Carter | | Whig | 1835 | Incumbent re-elected. | nowrap | |- ! | Abraham McClellan | | Democratic | 1837 | Incumbent re-elected. | nowrap | |- ! | Joseph L. Williams | |