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United States · Election results history · 1980 president · South Dakota
Election 1980 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

1980 presidential election in South Dakota

Ronald Reagan (Republican) beat Jimmy Carter (Democrat) in South Dakota in 1980, 60.5% to 31.7%, a margin of 28.8 points and 94,488 votes.

South Dakota voted 19.1 points more Republican than the country as a whole, where the margin was R+9.7.

The Republican hold continued from 1976, when Gerald Ford won.

Republicans led in 64 of the 66 counties as they stood then and Democrats in 2. The largest, Minnehaha, cast 51,478 votes and went to the Republican by 12.1 points. The closest was Buffalo, where 125 votes separated the two parties.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Result

CandidatePartyVotesShare
Ronald Reagan won Republican 198,343 60.5%
Jimmy Carter Democratic 103,855 31.7%
John B. Anderson Independent 21,431 6.5%
All other candidates 4,074 1.2%
Total327,703

Every county

CountyDemocratRepublicanOthersTotalMargin
Minnehaha 20,008 38.9% 26,256 51.0% 5,214 51,478 R+12.1
Pennington 7,121 25.2% 18,991 67.3% 2,092 28,204 R+42.1
Brown 6,050 33.6% 10,550 58.6% 1,399 17,999 R+25.0
Brookings 3,934 35.8% 5,727 52.2% 1,320 10,981 R+16.3
Beadle 3,521 34.8% 5,921 58.6% 662 10,104 R+23.8
Codington 3,353 33.6% 5,903 59.1% 734 9,990 R+25.5
Yankton 2,698 30.8% 5,355 61.2% 694 8,747 R+30.4
Davison 3,107 36.5% 4,743 55.7% 662 8,512 R+19.2
Lawrence 2,259 26.9% 5,306 63.1% 838 8,403 R+36.3
Meade 1,721 22.8% 5,349 70.9% 471 7,541 R+48.1
Hughes 1,751 24.8% 4,652 66.0% 645 7,048 R+41.2
Lincoln 2,261 33.8% 3,848 57.4% 589 6,698 R+23.7
Clay 2,271 36.0% 3,004 47.6% 1,041 6,316 R+11.6
Lake 2,207 37.7% 3,093 52.9% 552 5,852 R+15.1
Hutchinson 1,145 22.1% 3,789 73.1% 246 5,180 R+51.0
Union 1,830 36.2% 2,788 55.2% 436 5,054 R+19.0
Turner 1,369 27.2% 3,343 66.4% 320 5,032 R+39.2
Roberts 1,829 36.5% 2,904 58.0% 276 5,009 R+21.5
Spink 1,572 32.5% 2,915 60.3% 347 4,834 R+27.8
Charles Mix 1,741 37.9% 2,608 56.7% 250 4,599 R+18.9
Grant 1,602 34.9% 2,691 58.6% 301 4,594 R+23.7
Day 1,720 37.9% 2,507 55.2% 316 4,543 R+17.3
Bon Homme 1,191 28.1% 2,794 65.9% 254 4,239 R+37.8
Fall River 982 24.1% 2,831 69.6% 254 4,067 R+45.5
Butte 843 21.6% 2,850 73.1% 205 3,898 R+51.5
Kingsbury 1,132 29.7% 2,376 62.4% 299 3,807 R+32.7
Tripp 947 25.1% 2,669 70.7% 160 3,776 R+45.6
Walworth 753 21.0% 2,675 74.6% 160 3,588 R+53.6
McCook 1,223 34.5% 2,014 56.8% 307 3,544 R+22.3
Moody 1,364 39.2% 1,807 51.9% 309 3,480 R+12.7
Gregory 883 26.4% 2,283 68.4% 174 3,340 R+41.9
Hand 803 26.2% 2,066 67.4% 197 3,066 R+41.2
Hamlin 903 30.0% 1,885 62.7% 219 3,007 R+32.7
Marshall 1,120 37.3% 1,710 57.0% 171 3,001 R+19.7
Custer 708 24.0% 2,057 69.6% 190 2,955 R+45.7
Edmunds 883 30.3% 1,881 64.6% 150 2,914 R+34.2
Clark 774 26.6% 1,963 67.4% 174 2,911 R+40.8
Brule 925 33.0% 1,674 59.8% 201 2,800 R+26.8
Deuel 891 32.5% 1,657 60.4% 196 2,744 R+27.9
Perkins 595 22.4% 1,931 72.7% 129 2,655 R+50.3
Douglas 508 20.6% 1,855 75.3% 100 2,463 R+54.7
McPherson 287 11.9% 2,056 85.6% 59 2,402 R+73.6
Miner 833 38.4% 1,172 54.0% 166 2,171 R+15.6
Potter 436 20.1% 1,633 75.3% 100 2,169 R+55.2
Aurora 709 33.4% 1,251 58.9% 163 2,123 R+25.5
Faulk 520 26.7% 1,300 66.8% 125 1,945 R+40.1
Sanborn 628 32.5% 1,178 61.0% 126 1,932 R+28.5
Todd 972 50.5% 803 41.8% 148 1,923 D+8.8
Lyman 486 25.9% 1,256 66.9% 136 1,878 R+41.0
Corson 522 28.1% 1,233 66.5% 100 1,855 R+38.3
Dewey 600 34.0% 1,045 59.1% 122 1,767 R+25.2
Jerauld 595 34.4% 1,018 58.9% 116 1,729 R+24.5
Hanson 598 34.7% 1,015 58.8% 112 1,725 R+24.2
Shannon 1,132 67.1% 438 26.0% 117 1,687 D+41.1
Campbell 182 12.1% 1,271 84.8% 45 1,498 R+72.7
Haakon 255 17.4% 1,162 79.3% 48 1,465 R+61.9
Jackson 354 26.2% 929 68.7% 69 1,352 R+42.5
Bennett 350 26.4% 919 69.4% 55 1,324 R+43.0
Stanley 339 26.1% 892 68.7% 68 1,299 R+42.6
Hyde 273 22.4% 864 70.8% 84 1,221 R+48.4
Sully 220 19.1% 852 74.2% 77 1,149 R+55.0
Harding 205 21.0% 727 74.6% 42 974 R+53.6
Mellette 279 29.0% 624 64.8% 60 963 R+35.8
Jones 189 20.6% 689 75.0% 41 919 R+54.4
Ziebach 246 30.6% 523 65.0% 35 804 R+34.5
Buffalo 147 32.2% 272 59.6% 37 456 R+27.4

Counties as they stood in 1980; some have since been split, merged or renamed. Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

South Dakota in every presidential election we hold

YearWinnerMargin
2024 Donald Trump (R) R+29.2
2020 Donald Trump (R) R+26.2
2016 Donald Trump (R) R+29.8
2012 Mitt Romney (R) R+18.0
2008 John McCain (R) R+8.4
2004 George W. Bush (R) R+21.5
2000 George W. Bush (R) R+22.7
1996 Bob Dole (R) R+3.5
1992 George H. W. Bush (R) R+3.5
1988 George H. W. Bush (R) R+6.3
1984 Ronald Reagan (R) R+26.5
1980 Ronald Reagan (R) R+28.8
1976 Gerald Ford (R) R+1.5
1972 Richard Nixon (R) R+8.6
1968 Richard Nixon (R) R+11.3
1964 Lyndon B. Johnson (D) D+11.2
1960 Richard Nixon (R) R+16.4
1956 Dwight D. Eisenhower (R) R+16.8
1952 Dwight D. Eisenhower (R) R+38.5
1948 Thomas E. Dewey (R) R+4.8
1944 Thomas E. Dewey (R) R+16.7
1940 Wendell Willkie (R) R+14.8
1936 Franklin D. Roosevelt (D) D+11.5
1932 Franklin D. Roosevelt (D) D+29.2
1928 Herbert Hoover (R) R+21.0
1924 Calvin Coolidge (R) R+36.3
1920 Warren G. Harding (R) R+41.0
1916 Charles Evans Hughes (R) R+3.9
1912 Theodore Roosevelt (other)
1908 William Howard Taft (R) R+23.8
1904 Theodore Roosevelt (R) R+49.4
1900 William McKinley (R) R+15.6
1896 William Jennings Bryan (D) D+0.2
1892 Benjamin Harrison (R) R+36.6