1970 United States Senate election in Wisconsin
{{Short description|none}}
{{Use mdy dates|date=September 2023}}
{{Infobox election
| election_name = 1970 United States Senate election in Wisconsin
| country = Wisconsin
| flag_year = 1913
| type = Presidential
| ongoing = no
| previous_election = 1964 United States Senate election in Wisconsin
| previous_year = 1964
| next_election = 1976 United States Senate election in Wisconsin
| next_year = 1976
| election_date = November 3, 1970
| image1 = File:SenatorProxmire.jpg
| image_size = 150x150px
| nominee1 = William Proxmire
| party1 = Democratic Party (United States)
| popular_vote1 = 948,445
| percentage1 = 70.83%
| image2 = 3x4.svg
| nominee2 = John E. Erickson
| party2 = Republican Party (United States)
| popular_vote2 = 381,297
| percentage2 = 28.48%
| map_image = 1970 United States Senate election in Wisconsin results map by county.svg
| map_size = 250px
| map_caption = County results
Proxmire: {{legend0|#7996e2|50–60%}} {{legend0|#6674de|60–70%}} {{legend0|#584cde|70–80%}} {{legend0|#3933e5|80–90%}}
| title = U.S. Senator
| before_election = William Proxmire
| before_party = Democratic Party (United States)
| after_election = William Proxmire
| after_party = Democratic Party (United States)
}}
{{ElectionsWI}}
The 1970 United States Senate election in Wisconsin was held on November 3, 1970. Incumbent Democrat William Proxmire was easily re-elected to a third term in office over Republican John E. Erickson, taking more than 70% of the vote, and defeating Erickson by more than 42 percentage points.
General election
=Candidates=
- Elizabeth "Betty" Boardman (Independent)
- John E. Erickson, general manager of the Milwaukee Bucks and former head coach of the Wisconsin Badgers men's basketball team (Republican)
- Edmond G. Hou-Seye, businessman (American Independent){{Cite web|url=https://www.twincities.com/2010/03/22/wisconsin-businessman-frequent-candidate-dead-at-83/amp/|title = Wisconsin businessman, frequent candidate dead at 83|date = 22 March 2010}}
- William Proxmire, incumbent Senator (Democratic)
- Martha M. Quinn (Socialist Workers)
- Adolf Wiggert (Socialist Labor)
=Results=
{{Election box begin | title= 1970 United States Senate election in Wisconsin{{cite web |author1=Clerk of the United States House of Representatives |title=STATISTICS OF THE CONGRESSIONAL ELECTION OF NOVEMBER 3, 1970 |url=https://history.house.gov/Institution/Election-Statistics/1970election/ |publisher=United States House of Representatives |page=39 |date=1971-05-01 |access-date=17 June 2021|format=PDF}}
}}
{{Election box winning candidate with party link
| party = Democratic Party (US)
| candidate = William Proxmire (incumbent)
| votes = 948,445
| percentage = 70.83%
| change = {{increase}}17.54
}}
{{Election box candidate with party link
| party = Republican Party (US)
| candidate = John E. Erickson
| votes = 381,297
| percentage = 28.48%
| change = {{decrease}}18.13
}}
{{Election box candidate with party link
| party = American Independent Party
| candidate = Edmond E. Hou-Seye
| votes = 6,137
| percentage = 0.46%
| change = N/A
}}
{{Election box candidate with party link
| party = Independent (US)
| candidate = Elizabeth Boardman
| votes = 2,022
| percentage = 0.15%
| change = N/A
}}
{{Election box candidate with party link
| party = Socialist Workers Party (US)
| candidate = Martha M. Quinn
| votes = 580
| percentage = 0.04%
| change = {{increase}}0.01
}}
{{Election box candidate with party link
| party = Socialist Labor Party of America
| candidate = Adolf Wiggert
| votes = 428
| percentage = 0.03%
| change = N/A
}}
{{Election box candidate
| party = None
| candidate = Scattering
| votes = 58
| percentage = 0.00%
| change = {{decrease}}0.01
}}
{{Election box total
| votes = 1,338,967
| percentage = 100.00%
}}
{{Election box hold with party link
| winner = Democratic Party (US)
| loser =
| swing =
}}
{{Election box end}}