The 1990 United States Senate election in New Mexico was held on November 5, 1990. Incumbent Republican U.S. Senator Pete Domenici won re-election to a fourth term.
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County results Domenici: 50–60% 60–70% 70–80% 80–90% | |||||||||||||||||
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Party | Candidate | Votes | % | ||
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Republican | Pete Domenici (incumbent) | 296,712 | 72.95% | ||
Democratic | Tom Benavidez | 110,033 | 27.05% | ||
Republican hold |