1921 | Incumbent re-elected. | nowrap | |- ! | William P. Connery Jr. | | Democratic | 1922 | Incumbent re-elected. | nowrap | |- ! | Frederick W. Dallinger | | Republican | 1926 | Incumbent re-elected. | nowrap | |- ! | Charles L. Underhill | | Republican | 1920 | Incumbent re-elected. | nowrap | |- ! | John J. Douglass | | Democratic | 1924 | Incumbent re-elected. | nowrap | |- ! | George H. Tinkham | | Republican | 1914 | Incumbent re-elected. | nowrap | |- ! | James A. Gallivan | | Democratic | 1914 | | Incumbent died April 3, 1928.New member elected.Democratic hold.Winner also elected to finish the term, see above. | nowrap | |- ! | Robert Luce | | Republican | 1918 | Incumbent re-elected. | nowrap | |- ! | Louis A. Frothingham | | Republican | 1920 | | Incumbent died August 23, 1928.New member elected.Republican hold.Winner also elected to finish the term, see above. | nowrap | |- ! | Joseph William Martin Jr. | | Republican | 1924 | Incumbent re-elected. | nowrap | |- ! | Charles L. Gifford | | Republican | 1922 | Incumbent re-elected. | nowrap | |} Michigan |- ! | Robert H. Clancy | | Republican | 1926 | Incumbent re-elected. | nowrap | |- ! | Earl C. Michener | | Republican | 1918 | Incumbent re-elected. | nowrap | |- ! | Joseph L. Hooper | | Republican | 1925 | Incumbent re-elected. | nowrap | |- ! | John C. Ketcham | | Republican | 1920 | Incumbent re-elected. | nowrap | |- ! | Carl E. Mapes | | Republican | 1912 | Incumbent re-elected. | nowrap | |- ! | Grant M. Hudson | | Republican | 1922 | Incumbent re-elected. | nowrap | |- ! | Louis C. Cramton | | Republican | 1912 | Incumbent re-elected. | nowrap | |- ! | Bird J. Vincent | | Republican | 1922 | Incumbent re-elected. | nowrap | |- ! | James C. McLaughlin | | Republican | 1906 | Incumbent re-elected. | nowrap | |- ! | Roy O. Woodruff | | Republican | 1920 | Incumbent re-elected. | nowrap | |- ! | Frank P. Bohn | | Republican | 1926 | Incumbent re-elected. | nowrap | |- ! |