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 County results Proxmire: 50–60% 60–70% 70–80% 80–90% | |||||||||||||||||
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The1970 United States Senate election in Wisconsin was held on November 3, 1970. IncumbentDemocratWilliam Proxmire was easily re-elected to a third term in office over RepublicanJohn E. Erickson, taking more than 70% of the vote, and defeating Erickson by more than 42 percentage points.
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Democratic | William Proxmire (incumbent) | 948,445 | 70.83% |  17.54 | |
| Republican | John E. Erickson | 381,297 | 28.48% |  18.13 | |
| American Independent | Edmond E. Hou-Seye | 6,137 | 0.46% | N/A | |
| Independent | Elizabeth Boardman | 2,022 | 0.15% | N/A | |
| Socialist Workers | Martha M. Quinn | 580 | 0.04% | 0.01 | |
| Socialist Labor | Adolf Wiggert | 428 | 0.03% | N/A | |
| None | Scattering | 58 | 0.00% | 0.01 | |
| Total votes | 1,338,967 | 100.00% | |||
| Democratichold | Swing | ||||
