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Parish results Ellender: 50–60% 60–70% 70–80% 80–90% >90% DeBlieux: 50–60% | |||||||||||||||||||||
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The1966 United States Senate election in Louisiana was held on November 8, 1966. IncumbentDemocratic SenatorAllen Ellender was elected to a sixth term in office.
On August 13, Ellender won the Democratic primary with 74.17% of the vote. At this time, Louisiana was a one-party state and the Democratic nomination was tantamount to victory. Ellender won the November general election without an opponent.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Allen Ellender (incumbent) | 494,619 | 74.17 | |
| Democratic | J. D. DeBlieux | 94,154 | 14.12 | |
| Democratic | Troyce Guice | 78,137 | 11.72 | |
| Total votes | 666,910 | 100.00 | ||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Democratic | Allen Ellender (incumbent) | 437,695 | 100.00% | ||
| Total votes | 437,695 | 100.00% | |||