Incumbent re-elected. | nowrap | |- ! | Martin A. Brennan | | Democratic | 1932 | Incumbent re-elected. | rowspan=2 | |- ! | Walter Nesbit | | Democratic | 1932 | | Incumbent lost renomination.New member elected.Democratic hold. |} Indiana |- ! | William T. Schulte | | Democratic | 1932 | Incumbent re-elected. | nowrap | |- ! | George Durgan | | Democratic | 1932 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | Samuel B. Pettengill | | Democratic | 1930 | Incumbent re-elected. | nowrap | |- ! | James I. Farley | | Democratic | 1932 | Incumbent re-elected. | nowrap | |- ! | Glenn Griswold | | Democratic | 1930 | Incumbent re-elected. | nowrap | |- ! | Virginia Jenckes | | Democratic | 1932 | Incumbent re-elected. | nowrap | |- ! | Arthur H. Greenwood | | Democratic | 1922 | Incumbent re-elected. | nowrap | |- ! | John W. Boehne Jr. | | Democratic | 1930 | Incumbent re-elected. | nowrap | |- ! | Eugene B. Crowe | | Democratic | 1930 | Incumbent re-elected. | nowrap | |- ! | Finly Hutchinson Gray | | Democratic | 1932 | Incumbent re-elected. | nowrap | |- ! | William H. Larrabee | | Democratic | 1930 | Incumbent re-elected. | nowrap | |- ! | Louis Ludlow | | Democratic | 1928 | Incumbent re-elected. | nowrap | |} Iowa |- ! | Edward C. Eicher | | Democratic | 1932 | Incumbent re-elected. | nowrap | |- ! | Bernhard M. Jacobsen | | Democratic | 1930 | Incumbent re-elected. | nowrap | |- ! | Albert C. Willford | | Democratic | 1932 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | Fred Bierman | | Democratic | 1932 | Incumbent re-elected. | nowrap | |- ! | Lloyd Thurston | | Republican | 1924 | Incumbent re-elected. | nowrap | |- ! | Cassius C. Dowell | | Republican | 1914 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Otha D. Wearin | | Democratic | 1932 | Incumbent re-elected. | nowrap | |- ! | Fred C. Gilchrist | | Republican | 1930 | Incumbent re-elected. | nowrap | |- ! | Guy M. Gillette