South Dakota — 1980 presidential election
Recent presidential results
Akashicstate1980 presidential electionSouth Dakota · PresidentReaganR+28.8
How it voted
Share of the 1980 vote
| Ronald Reagan ✓Republican | 60.5% | 198,343 |
|---|---|---|
| Jimmy CarterDemocratic | 31.7% | 103,855 |
| OtherAll other candidates | 7.8% | 25,505 |
1980presidential margin
D+60R+60
66 counties, each filled by 1980 D-vs-R margin. Hover any county for its result.
South Dakota cast 4 electoral votes this cycle.
County-level results (66 counties) — table
| County | Winner | Margin |
|---|---|---|
| Aurora County, SD | Republican | R+25.5 |
| Beadle County, SD | Republican | R+23.8 |
| Bennett County, SD | Republican | R+43.0 |
| Bon Homme County, SD | Republican | R+37.8 |
| Brookings County, SD | Republican | R+16.3 |
| Brown County, SD | Republican | R+25.0 |
| Brule County, SD | Republican | R+26.8 |
| Buffalo County, SD | Republican | R+27.4 |
| Butte County, SD | Republican | R+51.5 |
| Campbell County, SD | Republican | R+72.7 |
| Charles Mix County, SD | Republican | R+18.9 |
| Clark County, SD | Republican | R+40.8 |
| Clay County, SD | Republican | R+11.6 |
| Codington County, SD | Republican | R+25.5 |
| Corson County, SD | Republican | R+38.3 |
| Custer County, SD | Republican | R+45.7 |
| Davison County, SD | Republican | R+19.2 |
| Day County, SD | Republican | R+17.3 |
| Deuel County, SD | Republican | R+27.9 |
| Dewey County, SD | Republican | R+25.2 |
| Douglas County, SD | Republican | R+54.7 |
| Edmunds County, SD | Republican | R+34.2 |
| Fall River County, SD | Republican | R+45.5 |
| Faulk County, SD | Republican | R+40.1 |
| Grant County, SD | Republican | R+23.7 |
| Gregory County, SD | Republican | R+41.9 |
| Haakon County, SD | Republican | R+61.9 |
| Hamlin County, SD | Republican | R+32.7 |
| Hand County, SD | Republican | R+41.2 |
| Hanson County, SD | Republican | R+24.2 |
| Harding County, SD | Republican | R+53.6 |
| Hughes County, SD | Republican | R+41.2 |
| Hutchinson County, SD | Republican | R+51.0 |
| Hyde County, SD | Republican | R+48.4 |
| Jackson County, SD | Republican | R+42.5 |
| Jerauld County, SD | Republican | R+24.5 |
| Jones County, SD | Republican | R+54.4 |
| Kingsbury County, SD | Republican | R+32.7 |
| Lake County, SD | Republican | R+15.1 |
| Lawrence County, SD | Republican | R+36.3 |
| Lincoln County, SD | Republican | R+23.7 |
| Lyman County, SD | Republican | R+41.0 |
| Marshall County, SD | Republican | R+19.7 |
| McCook County, SD | Republican | R+22.3 |
| McPherson County, SD | Republican | R+73.6 |
| Meade County, SD | Republican | R+48.1 |
| Mellette County, SD | Republican | R+35.8 |
| Miner County, SD | Republican | R+15.6 |
| Minnehaha County, SD | Republican | R+12.1 |
| Moody County, SD | Republican | R+12.7 |
| Oglala Lakota County, SD | Democratic | D+41.1 |
| Pennington County, SD | Republican | R+42.1 |
| Perkins County, SD | Republican | R+50.3 |
| Potter County, SD | Republican | R+55.2 |
| Roberts County, SD | Republican | R+21.5 |
| Sanborn County, SD | Republican | R+28.5 |
| Spink County, SD | Republican | R+27.8 |
| Stanley County, SD | Republican | R+42.6 |
| Sully County, SD | Republican | R+55.0 |
| Todd County, SD | Democratic | D+8.8 |
| Tripp County, SD | Republican | R+45.6 |
| Turner County, SD | Republican | R+39.2 |
| Union County, SD | Republican | R+19.0 |
| Walworth County, SD | Republican | R+53.6 |
| Yankton County, SD | Republican | R+30.4 |
| Ziebach County, SD | Republican | R+34.5 |
South Dakota results by county
66 counties. Third-party and independent votes are reported by the county source as one combined figure; every named candidate is listed in the complete result below.
| Led by | |||||
|---|---|---|---|---|---|
| Aurora County | Reagan, Ronald+542 | 1,25158.9% | 70933.4% | 1637.7% | 2,123 |
| Beadle County | Reagan, Ronald+2,400 | 5,92158.6% | 3,52134.8% | 6626.6% | 10,104 |
| Bennett County | Reagan, Ronald+569 | 91969.4% | 35026.4% | 554.2% | 1,324 |
| Bon Homme County | Reagan, Ronald+1,603 | 2,79465.9% | 1,19128.1% | 2546.0% | 4,239 |
| Brookings County | Reagan, Ronald+1,793 | 5,72752.2% | 3,93435.8% | 1,32012.0% | 10,981 |
| Brown County | Reagan, Ronald+4,500 | 10,55058.6% | 6,05033.6% | 1,3997.8% | 17,999 |
| Brule County | Reagan, Ronald+749 | 1,67459.8% | 92533.0% | 2017.2% | 2,800 |
| Buffalo County | Reagan, Ronald+125 | 27259.6% | 14732.2% | 378.1% | 456 |
| Butte County | Reagan, Ronald+2,007 | 2,85073.1% | 84321.6% | 2055.3% | 3,898 |
| Campbell County | Reagan, Ronald+1,089 | 1,27184.8% | 18212.1% | 453.0% | 1,498 |
| Charles Mix County | Reagan, Ronald+867 | 2,60856.7% | 1,74137.9% | 2505.4% | 4,599 |
| Clark County | Reagan, Ronald+1,189 | 1,96367.4% | 77426.6% | 1746.0% | 2,911 |
| Clay County | Reagan, Ronald+733 | 3,00447.6% | 2,27136.0% | 1,04116.5% | 6,316 |
| Codington County | Reagan, Ronald+2,550 | 5,90359.1% | 3,35333.6% | 7347.3% | 9,990 |
| Corson County | Reagan, Ronald+711 | 1,23366.5% | 52228.1% | 1005.4% | 1,855 |
| Custer County | Reagan, Ronald+1,349 | 2,05769.6% | 70824.0% | 1906.4% | 2,955 |
| Davison County | Reagan, Ronald+1,636 | 4,74355.7% | 3,10736.5% | 6627.8% | 8,512 |
| Day County | Reagan, Ronald+787 | 2,50755.2% | 1,72037.9% | 3167.0% | 4,543 |
| Deuel County | Reagan, Ronald+766 | 1,65760.4% | 89132.5% | 1967.1% | 2,744 |
| Dewey County | Reagan, Ronald+445 | 1,04559.1% | 60034.0% | 1226.9% | 1,767 |
| Douglas County | Reagan, Ronald+1,347 | 1,85575.3% | 50820.6% | 1004.1% | 2,463 |
| Edmunds County | Reagan, Ronald+998 | 1,88164.6% | 88330.3% | 1505.1% | 2,914 |
| Fall River County | Reagan, Ronald+1,849 | 2,83169.6% | 98224.1% | 2546.2% | 4,067 |
| Faulk County | Reagan, Ronald+780 | 1,30066.8% | 52026.7% | 1256.4% | 1,945 |
| Grant County | Reagan, Ronald+1,089 | 2,69158.6% | 1,60234.9% | 3016.6% | 4,594 |
| Gregory County | Reagan, Ronald+1,400 | 2,28368.4% | 88326.4% | 1745.2% | 3,340 |
| Haakon County | Reagan, Ronald+907 | 1,16279.3% | 25517.4% | 483.3% | 1,465 |
| Hamlin County | Reagan, Ronald+982 | 1,88562.7% | 90330.0% | 2197.3% | 3,007 |
| Hand County | Reagan, Ronald+1,263 | 2,06667.4% | 80326.2% | 1976.4% | 3,066 |
| Hanson County | Reagan, Ronald+417 | 1,01558.8% | 59834.7% | 1126.5% | 1,725 |
| Harding County | Reagan, Ronald+522 | 72774.6% | 20521.0% | 424.3% | 974 |
| Hughes County | Reagan, Ronald+2,901 | 4,65266.0% | 1,75124.8% | 6459.2% | 7,048 |
| Hutchinson County | Reagan, Ronald+2,644 | 3,78973.1% | 1,14522.1% | 2464.7% | 5,180 |
| Hyde County | Reagan, Ronald+591 | 86470.8% | 27322.4% | 846.9% | 1,221 |
| Jackson County | Reagan, Ronald+575 | 92968.7% | 35426.2% | 695.1% | 1,352 |
| Jerauld County | Reagan, Ronald+423 | 1,01858.9% | 59534.4% | 1166.7% | 1,729 |
| Jones County | Reagan, Ronald+500 | 68975.0% | 18920.6% | 414.5% | 919 |
| Kingsbury County | Reagan, Ronald+1,244 | 2,37662.4% | 1,13229.7% | 2997.9% | 3,807 |
| Lake County | Reagan, Ronald+886 | 3,09352.9% | 2,20737.7% | 5529.4% | 5,852 |
| Lawrence County | Reagan, Ronald+3,047 | 5,30663.1% | 2,25926.9% | 83810.0% | 8,403 |
| Lincoln County | Reagan, Ronald+1,587 | 3,84857.4% | 2,26133.8% | 5898.8% | 6,698 |
| Lyman County | Reagan, Ronald+770 | 1,25666.9% | 48625.9% | 1367.2% | 1,878 |
| Marshall County | Reagan, Ronald+590 | 1,71057.0% | 1,12037.3% | 1715.7% | 3,001 |
| McCook County | Reagan, Ronald+791 | 2,01456.8% | 1,22334.5% | 3078.7% | 3,544 |
| McPherson County | Reagan, Ronald+1,769 | 2,05685.6% | 28711.9% | 592.5% | 2,402 |
| Meade County | Reagan, Ronald+3,628 | 5,34970.9% | 1,72122.8% | 4716.2% | 7,541 |
| Mellette County | Reagan, Ronald+345 | 62464.8% | 27929.0% | 606.2% | 963 |
| Miner County | Reagan, Ronald+339 | 1,17254.0% | 83338.4% | 1667.6% | 2,171 |
| Minnehaha County | Reagan, Ronald+6,248 | 26,25651.0% | 20,00838.9% | 5,21410.1% | 51,478 |
| Moody County | Reagan, Ronald+443 | 1,80751.9% | 1,36439.2% | 3098.9% | 3,480 |
| Oglala Lakota County | Carter, Jimmy+694 | 43826.0% | 1,13267.1% | 1176.9% | 1,687 |
| Pennington County | Reagan, Ronald+11,870 | 18,99167.3% | 7,12125.2% | 2,0927.4% | 28,204 |
| Perkins County | Reagan, Ronald+1,336 | 1,93172.7% | 59522.4% | 1294.9% | 2,655 |
| Potter County | Reagan, Ronald+1,197 | 1,63375.3% | 43620.1% | 1004.6% | 2,169 |
| Roberts County | Reagan, Ronald+1,075 | 2,90458.0% | 1,82936.5% | 2765.5% | 5,009 |
| Sanborn County | Reagan, Ronald+550 | 1,17861.0% | 62832.5% | 1266.5% | 1,932 |
| Spink County | Reagan, Ronald+1,343 | 2,91560.3% | 1,57232.5% | 3477.2% | 4,834 |
| Stanley County | Reagan, Ronald+553 | 89268.7% | 33926.1% | 685.2% | 1,299 |
| Sully County | Reagan, Ronald+632 | 85274.2% | 22019.1% | 776.7% | 1,149 |
| Todd County | Carter, Jimmy+169 | 80341.8% | 97250.5% | 1487.7% | 1,923 |
| Tripp County | Reagan, Ronald+1,722 | 2,66970.7% | 94725.1% | 1604.2% | 3,776 |
| Turner County | Reagan, Ronald+1,974 | 3,34366.4% | 1,36927.2% | 3206.4% | 5,032 |
| Union County | Reagan, Ronald+958 | 2,78855.2% | 1,83036.2% | 4368.6% | 5,054 |
| Walworth County | Reagan, Ronald+1,922 | 2,67574.6% | 75321.0% | 1604.5% | 3,588 |
| Yankton County | Reagan, Ronald+2,657 | 5,35561.2% | 2,69830.8% | 6947.9% | 8,747 |
| Ziebach County | Reagan, Ronald+277 | 52365.0% | 24630.6% | 354.4% | 804 |
complete certified result
South Dakota candidate results
Top three shown first · expand for every reported candidate and write-in category
Source: MIT Election Data + Science Lab — U.S. President 1976–2024 state candidate returns
Nominees: Jimmy Carter (D) · Ronald Reagan (R)
South Dakota's presidential margins
1892–2024, the 1980 contest in context
| Year | Margin (D minus R) |
|---|---|
| 1892 | −36.5% |
| 1896 | +0.2% |
| 1900 | −15.6% |
| 1904 | −49.4% |
| 1908 | −23.8% |
| 1912 | +42.1% |
| 1916 | −3.9% |
| 1920 | −41.0% |
| 1924 | −36.3% |
| 1928 | −21.0% |
| 1932 | +29.2% |
| 1936 | +11.5% |
| 1940 | −14.8% |
| 1944 | −16.7% |
| 1948 | −4.8% |
| 1952 | −38.5% |
| 1956 | −16.8% |
| 1960 | −16.4% |
| 1964 | +11.2% |
| 1968 | −11.3% |
| 1972 | −8.6% |
| 1976 | −1.5% |
| 1980 | −28.8% |
| 1984 | −26.5% |
| 1988 | −6.3% |
| 1992 | −3.5% |
| 1996 | −3.5% |
| 2000 | −22.7% |
| 2004 | −21.3% |
| 2008 | −8.4% |
| 2012 | −18.0% |
| 2016 | −29.8% |
| 2020 | −26.2% |
| 2024 | −29.2% |
Same ballot, 1980SD
Source. MIT Election Data + Science Lab — 1980 presidential returns · official county-level results. Real returns — nothing estimated.