1984 United States Senate election in South Dakota
{{Short description|none}}
{{Use mdy dates|date=September 2023}}
{{Infobox election
| election_name = 1984 United States Senate election in South Dakota
| country = South Dakota
| flag_year = 1963
| type = presidential
| ongoing = no
| previous_election = 1978 United States Senate election in South Dakota
| previous_year = 1978
| next_election = 1990 United States Senate election in South Dakota
| next_year = 1990
| election_date = November 6, 1984
| image1 = File:Larry Pressler 1989.jpg
| image_size = 150x150px
| nominee1 = Larry Pressler
| party1 = Republican Party (United States)
| popular_vote1 = 235,176
| percentage1 = 74.49%
| image2 = 3x4.svg
| nominee2 = George V. Cunningham
| party2 = Democratic Party (United States)
| popular_vote2 = 80,537
| percentage2 = 25.51%
| map_image = 1984 United States Senate election in South Dakota results map by county.svg
| map_size = 260px
| map_caption = County results
Pressler: {{legend0|#e27f7f|50-60%}} {{legend0|#d75d5d|60-70%}} {{legend0|#d72f30|70-80%}} {{legend0|#c21b18|80–90%}} {{legend0|#a80000|>90%}}
Cunningham: {{legend0|#7996e2|50–60%}}
| title = U.S. Senator
| before_election = Larry Pressler
| before_party = Republican Party (United States)
| after_election = Larry Pressler
| after_party = Republican Party (United States)
}}
{{ElectionsSD}}
The 1984 United States Senate election in South Dakota was held on November 6, 1984. Incumbent Republican Senator Larry Pressler was easily re-elected to a second term.{{cite web |title=Statistics of the Presidential and Congressional Election of November 6, 1984 |url=http://clerk.house.gov/member_info/electionInfo/1984election.pdf |website=Clerk of the House of Representatives |access-date=1 May 2020 |page=53}}
Democratic primary
=Candidates=
- George V. Cunningham, former aide to Sen. George McGovern{{Cite news|url=https://www.nytimes.com/1975/08/05/archives/mcgovern-wont-run-key-advisers-opposed.html|title=McGovern Won't Run; Key Advisers Opposed|newspaper=The New York Times|date=5 August 1975}}
- Dean L. Sinclair
=Results=
{{Election box begin no change
| title=1984 Democratic U.S. Senate primary{{cite web |title= SD US Senate- D Primary |url=https://www.ourcampaigns.com/RaceDetail.html?RaceID=248980 |website=OurCampaigns |access-date=1 May 2020}}}}
{{Election box winning candidate with party link no change
| party = Democratic Party (United States)
| candidate = George V. Cunningham
| votes = 31,376
| percentage = 68.14%
}}
{{Election box candidate with party link no change
| party = Democratic Party (United States)
| candidate = Dean L. Sinclair
| votes = 14,672
| percentage = 31.86%
}}
{{Election box total no change
| votes = 46,048
| percentage = 100.00%
}}
{{Election box end}}
General election
=Results=
{{Election box begin
| title=General election results{{cite web |title=SD US Senate |url=https://www.ourcampaigns.com/RaceDetail.html?RaceID=3701 |website=OurCampaigns |access-date=2 May 2020}}}}
{{Election box winning candidate with party link
| party = Republican Party (United States)
| candidate = Larry Pressler (incumbent)
| votes = 235,176
| percentage = 74.49%
| change = {{increase}}7.65
}}
{{Election box candidate with party link
|party=Democratic Party (United States)
|candidate=George V. Cunningham
|votes=80,537
|percentage= 25.51%
|change={{decrease}}7.65
}}
{{Election box total no change
| votes = 315,713
| percentage = 100.00%
}}
{{Election box hold with party link no swing
| winner = Republican Party (United States)
}}
{{Election box end}}