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County results Brown: 50–60% 60–70% 70–80% 80–90% Heath: 40–50% 50–60% 60–70% | |||||||||||||||||
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| Elections in Colorado |
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The 1990 United States Senate election in Colorado took place on November 6, 1990. Incumbent Republican senator William L. Armstrong did not seek re-election to another term. Republican nominee Hank Brown won the open seat, defeating Democratic nominee Josie Heath.
| Party | Candidate | Votes | % | ||
|---|---|---|---|---|---|
| Republican | Hank Brown | 569,048 | 55.68% | ||
| Democratic | Josie Heath | 425,746 | 41.66% | ||
| Concerns of People | John Heckman | 15,432 | 1.51% | ||
| Colorado Prohibition | Earl F. Dodge | 11,801 | 1.15% | ||
| Write-In | Others | 32 | 0.00% | ||
| Majority | 143,302 | 14.02% | |||
| Turnout | 1,022,059 | ||||
| Republican hold | |||||