1998 United States Senate election in Arizona
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![]() County results  McCain: 50–60% 60–70% 70–80%  | |||||||||||||||||
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| Elections in Arizona | 
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The 1998 United States Senate election in Arizona was held November 3. Incumbent Republican U.S. Senator John McCain won re-election to a third term.
General election
Candidates
- John McCain, incumbent U.S. Senator (Republican)
 - Bob Park (Reform)
 - Ed Ranger, attorney[1] (Democratic)
 - John C. Zajac (Libertarian)
 
Polling
| Poll source | Date(s) administered  |  Sample size[a]  |  Margin of error  |  John McCain (R)  |  Ed Ranger (D)  |  John Zajac (L)  |  Undecided | 
|---|---|---|---|---|---|---|---|
| Rocky Mountain Behavior Research Center[2] | October 12–15, 1998 | 519 (RV) | ± 4.3% | 60% | 18% | – | 22% | 
| Rocky Mountain Behavior Research Center[2] | July 11–15, 1998 | 532 (RV) | ± 4.3% | 58% | 16% | 3% | 23% | 
Results
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Republican | John McCain (incumbent) | 696,577 | 68.74% | +12.92% | |
| Democratic | Ed Ranger | 275,224 | 27.16% | −4.41% | |
| Libertarian | John C. Zajac | 23,004 | 2.27% | +0.63% | |
| Reform | Bob Park | 18,288 | 1.80% | ||
| Write-in | 187 | 0.02% | |||
| Majority | 421,353 | 41.58% | +17.34% | ||
| Turnout | 1,013,280 | ||||
| Republican hold | Swing | ||||
Notes
- ^ Key:
A – all adults
RV – registered voters
LV – likely voters
V – unclear 
See also
References
- ^ Lewin, Tamar (November 4, 1998). "The 1998 Elections: State by State -- West; Arizona". The New York Times.
 - ^ a b "CNN AllPolitics Election '98 - Arizona 1998 Polls". CNN. Archived from the original on June 12, 2025. Retrieved June 12, 2025.
 - ^ "Office of the Clerk, U.S. House of Representatives".
 
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