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 County results Allott: 50–60% 60–70% 70–80% Romer: 50–60% 60–70% | |||||||||||||||||
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| Elections in Colorado |
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The 1966 United States Senate election in Colorado took place on November 8, 1966. Incumbent Republican Senator Gordon Allott was re-elected to a third term in office, defeating Democratic State Senator Roy Romer.
Romer would later be elected three terms as Treasurer of Colorado and another three terms as governor.
General election[edit]
Results[edit]
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Republican | Gordon Allott (Incumbent) | 368,307 | 58.02% |  4.50
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| Democratic | Roy Romer | 266,198 | 41.93% |  4.09
| |
| Independent | Walter Cranson (write-in) | 332 | 0.05% | N/A | |
| Total votes | 634,837 | 100.00% | |||
