! | Daniel W. Gooch | | Republican | 1858 | Incumbent re-elected. | nowrap | |- ! | Charles R. Train | | Republican | 1859 | Incumbent re-elected. | nowrap | |- ! | Eli Thayer | | Constitutional Union | 1856 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | Charles Delano | | Republican | 1858 | Incumbent re-elected. | nowrap | |- ! | Henry L. Dawes | | Republican | 1856 | Incumbent re-elected. | nowrap | |} Michigan Michigan its members on the November 6, 1860 Election Day. |- ! | William A. Howard | | Republican | 1854 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | Henry Waldron | | Republican | 1854 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | Francis W. Kellogg | | Republican | 1858 | Incumbent re-elected. | nowrap | |- ! | Dewitt C. Leach | | Republican | 1858 | | Incumbent retired.New member elected.Republican hold. | nowrap | |} Minnesota Minnesota elected its members on November 6, 1860 Election Day. |- ! | | Cyrus Aldrich (Republican) | 1858 | Incumbent re-elected. | rowspan=2 nowrap | |- ! | | William Windom (Republican) | 1858 | Incumbent re-elected. |} Mississippi Mississippi seceded on January 9, 1861, and did not elect members of the 37th Congress. |- ! | Lucius Q. C. Lamar | | Democratic | 1857 | | Incumbent retired December 1860.No member elected.Democratic loss. | None |- ! | Reuben Davis | | Democratic | 1857 | | Incumbent withdrew January 12, 1861.No member elected.Democratic loss. | None |- ! | William Barksdale | | Democratic | 1855 | | Incumbent withdrew January 12, 1861.No member elected.Democratic loss. | None |- ! | Otho R. Singleton | | Democratic | 1857 | | Incumbent withdrew January 12, 1861.No member elected.Democratic loss. | None |- ! | John J. McRae | | Democratic | 1858 (special) | | Incumbent withdrew January 12, 1861.No member elected.Democratic loss. | None |} Missouri Missouri elected its members on September 10, 1860. |- ! | John Richard Barret | | Democratic | 1858 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | Thomas L. Anderson | | Independent Democratic | 1856 | | Incumbent retired.New member elected.Constitutional