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 County results Voinovich: 50–60% 60–70% 70–80% | |||||||||||||||||
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The1998 United States Senate election in Ohio was held November 3, 1998. It was concurrent with elections to theUnited States House of Representatives. Incumbent Democratic U.S SenatorJohn Glenn decided to retire, instead of seeking a fifth term. Republican GovernorGeorge Voinovich won the open seat.[1]This was the first open-seat Senate election in Ohio for this seat since1920.
| Poll source | Date(s) administered | Sample size[a] | Margin of error | George Voinovich (R) | Mary Boyle (D) | Undecided |
|---|---|---|---|---|---|---|
| Mason-Dixon[2] | October 25–27, 1998 | 815 (LV) | ± 3.5% | 55% | 37% | 8% |
| University of Cincinnati[2] | October 22–26, 1998 | 754 (LV) | ± 3.6% | 62% | 34% | 4% |
| University of Cincinnati[2] | October 8–18, 1998 | 540 (LV) | ± 4.2% | 62% | 34% | 4% |
| University of Cincinnati[2] | October 2–7, 1998 | 405 (LV) | ± 5.0% | 58% | 35% | 7% |
| Mason-Dixon[2] | October 2–5, 1998 | 805 (LV) | ± 3.5% | 54% | 35% | 11% |
| University of Cincinnati[2] | September 8–20, 1998 | 921 (LV) | ± 4.3% | 62% | 31% | 7% |
| Mason-Dixon[2] | September 12–14, 1998 | 817 (LV) | ± 3.5% | 56% | 28% | 16% |
| Gordon S. Black Corp.[2] | September 10–14, 1998 | 1,005 (LV) | ± 3.0% | 46% | 28% | 26% |
| University of Cincinnati[2] | May 13–27, 1998 | 560 (RV) | ± 4.0% | 57% | 34% | 9% |
| Mason-Dixon[2] | April 26–28, 1998 | 808 (LV) | ± 3.5% | 51% | 26% | 23% |
| ?[2][A] | April 12–23, 1998 | 830 (A) | ± 3.5% | 52% | 29% | 19% |
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Republican | George Voinovich | 1,922,087 | 56.46% | +14.15% | |
| Democratic | Mary Boyle | 1,482,054 | 43.54% | −7.45% | |
| Majority | 440,033 | 12.92% | |||
| Turnout | 3,404,141 | 49.81% | |||
| Republicangain fromDemocratic | Swing | ||||
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