The 1992 United States Senate election in Arizona was held on November 3. Incumbent Republican U.S. Senator John McCain won re-election to a second term.
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 County results McCain: 40–50% 50–60% Sargent: 40–50% | |||||||||||||||||||||
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| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Republican | John McCain (incumbent) | 771,395 | 55.82% | -4.66% | |
| Democratic | Claire Sargent | 436,321 | 31.57% | -7.94% | |
| Independent | Evan Mecham | 145,361 | 10.52% | ||
| Libertarian | Kiana Delamare | 22,613 | 1.64% | ||
| New Alliance | Ed Finkelstein | 6,335 | 0.46% | ||
| Write-ins | 26 | 0.00% | |||
| Majority | 335,074 | 24.24% | +3.28% | ||
| Turnout | 1,382,051 | ||||
| Republican hold | Swing | ||||
