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 County results Sparkman: 50–60% 60–70% 70–80% Grenier: 60-70% | |||||||||||||||||
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Sparkman
- 40–50%
- 50–60%
- 60–70%
- 70–80%
- 80–90%
Dixon
- 30-40%
- 40–50%
- 50–60%
Crommelin
- 30–40%
- 50–60%
| Elections in Alabama |
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 Government |
The 1966 United States Senate election in Alabama was held on November 8, 1966. Incumbent Senator John Sparkman was re-elected to a fourth full term in office over Republican John Grenier.