1858 United States House of Representatives elections in Ohio

none February 2026 September 2023 Ohio elected its members October 12, 1858, netting a 3-seat Republican gain. District Incumbent Party Firstelected Result CandidatesHistory of the Republican Party in Ohio Joseph P Smith 1898 I 84, 85 the Lewis Publishing Company Chicago https://books.google.com/books?id=eaAFAAAAMAAJ&pg=PA84 Ohio 1 Ohio 1 George H. Pendleton Democratic 1856 Incumbent re-elected. George H. Pendleton (Democratic) 51.2% Timothy C. Day (Opposition) 48.8% Ohio 2 Ohio 2 William S. Groesbeck Democratic 1856 Incumbent lost re-election.New member elected.Republican gain. John A. Gurley (Republican) 52.6% William S. Groesbeck (Democratic) 47.4% Ohio 3 Ohio 3 Clement L. Vallandigham Democratic 1856"Contested" Contested election Incumbent re-elected. Clement L. Vallandigham (Democratic) 50.5% Lewis D. Campbell (Republican) 49.5% Ohio 4 Ohio 4 Matthias H. Nichols Republican 1852 Incumbent lost re-election.New member elected.Democratic gain. William Allen (Democratic) 50.2% Matthias H. Nichols (Republican) 49.8% Ohio 5 Ohio 5 Richard Mott Republican 1854 Incumbent retired.New member elected.Republican hold. James M. Ashley (Republican) 51.3% William Mungen (Democratic) 48.7% Ohio 6 Ohio 6 Joseph R. Cockerill Democratic 1856 Incumbent retired.New member elected.Democratic hold. William Howard (Democratic) 53.0% Reader W. Clarke (Republican) 47.0% Ohio 7 Ohio 7 Aaron Harlan Republican 1852 Incumbent lost renomination.New member elected.Republican hold. Thomas Corwin (Republican) 63.8% Charles W. Blair (Democratic) 36.2% Ohio 8 Ohio 8 Benjamin Stanton Republican 1854 Incumbent re-elected. Benjamin Stanton (Republican) 59.5% William Hubbard (Democratic) 40.5% Ohio 9 Ohio 9 Lawrence W. Hall Democratic 1856 Incumbent lost re-election.New member elected.Republican gain. John Carey (Republican) 50.3% Lawrence W. Hall (Republican) 49.7% Ohio 10 Ohio 10 Joseph Miller Democratic 1856 Incumbent lost re-election.New member elected.Republican gain. Carey A. Trimble (Republican) 55.0% Joseph Miller (Democratic) 45.0% Ohio 11 Ohio 11 Albert C. Thompson Republican 1854 Incumbent retired.New member elected.Democratic gain. Charles D. Martin (Democratic) 50.7% Nelson H. Van Vorhes (Republican) 49.3% Ohio 12 Ohio 12 Samuel S. Cox Democratic 1856 Incumbent re-elected. Samuel S. Cox (Republican) 51.8% Lucius Case (Democratic) 48.2% Ohio 13 Ohio 13 John Sherman Republican 1854 Incumbent re-elected. John Sherman (Republican) 57.1% S. J. Patrick (Democratic) 42.9% Ohio 14 Ohio 14 Philemon Bliss Republican 1854 Incumbent retired.New member elected.Republican hold.Successor died May 31, 1859, leading to a special election. Cyrus Spink (Republican) 56.3% J. P. Jeffries (Democratic) 43.7% Ohio 15 Ohio 15 Joseph Burns Democratic 1856 Incumbent lost re-election.New member elected.Republican gain. William Helmick (Republican) 50.7% Joseph Burns (Democratic) 49.3% Ohio 16 Ohio 16 Cydnor B. Tompkins Republican 1856 Incumbent re-elected. Cydnor B. Tompkins (Republican) 52.8% George W. Manypenny (Democratic) 47.2% Ohio 17 Ohio 17 William Lawrence Democratic 1856 Incumbent retired.New member elected.Republican gain. Thomas C. Theaker (Republican) 50.3% Benjamin T. Sprigg (Democratic) 49.7% Ohio 18 Ohio 18 Benjamin F. Leiter Republican 1854 Incumbent retired.New member elected.Republican hold. Sidney Edgerton (Republican) 53.3% J. L. Ranney (Democratic) 46.7% Ohio 19 Ohio 19 Edward Wade Republican 1852 Incumbent re-elected. Edward Wade (Republican) 65.1% J. W. Gray (Democratic) 34.9% Ohio 20 Ohio 20 Joshua Reed Giddings Republican 1843 Incumbent lost renomination.New member elected.Republican hold. John Hutchins (Republican) 64.7% David Tod (Democratic) 35.3% Ohio 21 Ohio 21 John Bingham Republican 1854 Incumbent re-elected. John Bingham (Republican) 57.3% Thomas Means (Democratic) 42.7% See also 1859 Ohio's 14th congressional district special election 1858 and 1859 United States House of Representatives elections List of United States representatives from Ohio Notes References 1858 Ohio United States House of Representatives