|- ! | Charles D. Carter | | Democratic | 1907 | Incumbent re-elected. | nowrap | |- ! | Joseph C. Pringey | | Republican | 1920 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Fletcher B. Swank | | Democratic | 1920 | Incumbent re-elected. | nowrap | |- ! | L. M. Gensman | | Republican | 1920 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | James V. McClintic | | Democratic | 1914 | Incumbent re-elected. | nowrap | |- ! | Manuel Herrick | | Republican | 1920 | | Incumbent lost renomination.New member elected.Republican hold. | nowrap | |} Oregon |- ! | Willis C. Hawley | | Republican | 1906 | Incumbent re-elected. | nowrap | |- ! | Nicholas J. Sinnott | | Republican | 1912 | Incumbent re-elected. | nowrap | |- ! | Clifton N. McArthur | | Republican | 1914 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |} Pennsylvania Pennsylvania was one of the only states to conduct redistricting between 1920 and 1922, when no nationwide reapportionment occurred. Incumbents have been shown in the most closely corresponding new districts. The four districts shown as new below replaced the four at-large seats used previously; since the at-large seats were all Republican held, the new districts are only nominally Republican gains. |- ! | William S. Vare | | Republican | 1912 | Incumbent re-elected. | nowrap | |- ! | George S. Graham | | Republican | 1912 | Incumbent re-elected. | nowrap | |- ! | Harry C. Ransley | | Republican | 1920 | Incumbent re-elected. | nowrap | |- ! | George W. Edmonds | | Republican | 1912 | Incumbent re-elected. | nowrap | |- ! | James J. Connolly | | Republican | 1920 | Incumbent re-elected. | nowrap | |- ! | colspan=3 | None (district created) | | Republican gain. | nowrap | |- ! | George P. Darrow | | Republican | 1914 | Incumbent re-elected. | nowrap | |- ! | Thomas S. Butler | | Republican | 1896 | Incumbent re-elected. | nowrap | |- ! | Henry Winfield Watson | | Republican | 1914 | Incumbent re-elected. | nowrap | |- ! | William Walton Griest | | Republican | 1908 | Incumbent