United States House of Representatives elections, 1864
Ohio
Columns: District | Incumbent | Party | First elected | Result
Ohio 1 | George H. Pendleton | Democratic | 1856 | Retired Republican gain | Ohio 2 | Alexander Long | Democratic | 1862 | Lost re-nomination Republican gain | Ohio 3 | Robert C. Schenck | Republican | 1862 | Re-elected | Ohio 4 | John F. McKinney | Democratic | 1862 | Lost re-election Republican gain | Ohio 5 | Francis C. Le Blond | Democratic | 1862 | Re-elected | Ohio 6 | Chilton A. White | Democratic | 1860 | Lost re-election Republican gain | Ohio 7 | Samuel S. Cox | Democratic | 1862 | Lost re-election Republican gain | Ohio 8 | William Johnston | Democratic | 1862 | Lost re-election Republican gain | Ohio 9 | Warren P. Noble | Democratic | 1860 | Lost re-election Republican gain | Ohio 10 | James M. Ashley | Republican | 1862 | Re-elected | Ohio 11 | Wells A. Hutchins | Democratic | 1862 | Lost re-election Republican gain | Ohio 12 | William E. Finck | Democratic | 1862 | Re-elected | Ohio 13 | John O'Neill | Democratic | 1862 | Retired Republican gain | Ohio 14 | George Bliss | Democratic | 1862 | Lost re-election Republican gain | Ohio 15 | James R. Morris | Democratic | 1862 | Lost re-election Republican gain | Ohio 16 | Joseph W. White | Democratic | 1882 | Lost re-election Republican gain | Ohio 17 | Ephraim R. Eckley | Republican | 1862 | Re-elected | Ohio 18 | Rufus P. Spalding | Republican | 1862 | Re-elected | Ohio 19 | James A. Garfield | Republican | 1862 | Re-elected