South Dakota presidential election results and history
South Dakota has voted in 34 presidential elections in this record and backed the national winner in 20 of the 34 with a recorded winner (59%).
Current members of Congress from South Dakota (3)
- Mike Rounds Senator · Republican
- John Thune Senator · Republican
- Dusty Johnson At-large district · Republican
- Latest (2024)
- Donald J. Trump29.2 pts
- Electoral votes
- 3
- Republican wins
- 29
- Democratic wins
- 4
Counties in 2024
Full 2024 resultsEvery presidential election in South Dakota
Download CSV| Year | Carried by | Share | Runner-up | Margin | EV | Votes counted | National winner |
|---|---|---|---|---|---|---|---|
| 2024 | Donald J. Trump | 63.4% | Kamala Harris | 29.2 | 3 | 428,922 | Donald J. Trump ✓ |
| 2020 | Donald J. Trump | 61.8% | Joseph R. Biden | 26.2 | 3 | 422,609 | Joseph R. Biden ✗ |
| 2016 | Donald J. Trump | 61.5% | Hillary Clinton | 29.8 | 3 | 370,047 | Donald J. Trump ✓ |
| 2012 | Mitt Romney | 57.9% | Barack Obama | 18.0 | 3 | 363,815 | Barack Obama ✗ |
| 2008 | John McCain | 53.2% | Barack Obama | 8.4 | 3 | 381,975 | Barack Obama ✗ |
| 2004 | George W. Bush | 59.9% | John Kerry | 21.5 | 3 | 388,215 | George W. Bush ✓ |
| 2000 | George W. Bush | 60.3% | Albert Gore, Jr. | 22.7 | 3 | 316,269 | George W. Bush ✓ |
| 1996 | Robert Dole | 46.5% | William J. Clinton | 3.5 | 3 | 323,826 | William J. Clinton ✗ |
| 1992 | George H. W. Bush | 40.7% | William J. Clinton | 3.5 | 3 | 336,254 | William J. Clinton ✗ |
| 1988 | George H. W. Bush | 52.8% | Michael Dukakis | 6.3 | 3 | 312,991 | George H. W. Bush ✓ |
| 1984 | Ronald Reagan | 63.0% | Walter Mondale | 26.5 | 3 | 317,867 | Ronald Reagan ✓ |
| 1980 | Ronald Reagan | 60.5% | Jimmy Carter | 28.8 | 4 | 327,703 | Ronald Reagan ✓ |
| 1976 | Gerald R. Ford | 50.4% | Jimmy Carter | 1.5 | 4 | 300,678 | Jimmy Carter ✗ |
| 1972 | Richard M. Nixon | 54.2% | George McGovern | 8.6 | 4 | 307,415 | Richard M. Nixon ✓ |
| 1968 | Richard M. Nixon | 53.3% | Hubert Humphrey | 11.3 | 4 | 281,264 | Richard M. Nixon ✓ |
| 1964 | Lyndon B. Johnson | 55.6% | Barry Goldwater | 11.2 | 4 | 293,118 | Lyndon B. Johnson ✓ |
| 1960 | Richard M. Nixon | 58.2% | John F. Kennedy | 16.4 | 4 | 306,487 | John F. Kennedy ✗ |
| 1956 | Dwight D. Eisenhower | 58.4% | Adlai Stevenson | 16.8 | 4 | 293,857 | Dwight D. Eisenhower ✓ |
| 1952 | Dwight D. Eisenhower | 69.3% | Adlai Stevenson | 38.5 | 4 | 294,283 | Dwight D. Eisenhower ✓ |
| 1948 | Thomas E. Dewey | 51.8% | Harry S Truman | 4.8 | 4 | 250,105 | Harry S Truman ✗ |
| 1944 | Thomas E. Dewey | 58.3% | Franklin D. Roosevelt | 16.7 | 4 | 232,076 | Franklin D. Roosevelt ✗ |
| 1940 | Wendell L. Willkie | 57.4% | Franklin D. Roosevelt | 14.8 | 4 | 308,427 | Franklin D. Roosevelt ✗ |
| 1936 | Franklin D. Roosevelt | 54.0% | Alfred M. Landon | 11.5 | 4 | 296,452 | Franklin D. Roosevelt ✓ |
| 1932 | Franklin D. Roosevelt | 63.6% | Herbert Hoover | 29.2 | 4 | 288,438 | Franklin D. Roosevelt ✓ |
| 1928 | Herbert Hoover | 60.2% | Alfred E. Smith | 21.0 | 5 | 261,857 | Herbert Hoover ✓ |
| 1924 | Calvin Coolidge | 49.7% | Robert LaFollette | 12.7 | 5 | 203,868 | Calvin Coolidge ✓ |
| 1920 | Warren G. Harding | 60.7% | James M. Cox | 41.0 | 5 | 182,237 | Warren G. Harding ✓ |
| 1916 | Charles E. Hughes | 49.8% | Woodrow Wilson | 3.9 | 5 | 128,942 | Woodrow Wilson ✗ |
| 1912 | Theodore Roosevelt | 50.6% | Woodrow Wilson | 8.5 | 5 | 116,327 | Woodrow Wilson ✗ |
| 1908 | William Howard Taft | 58.8% | William Jennings Bryan | 23.8 | 4 | 114,775 | William Howard Taft ✓ |
| 1904 | Theodore Roosevelt | 71.1% | Alton B. Parker | 49.4 | 4 | 101,395 | Theodore Roosevelt ✓ |
| 1900 | William McKinley | 56.7% | William Jennings Bryan | 15.6 | 4 | 96,169 | William McKinley ✓ |
| 1896 | William Jennings Bryan | 49.7% | William McKinley | 0.2 | 4 | 82,937 | William McKinley ✗ |
| 1892 | Benjamin Harrison | 49.5% | James B. Weaver | 11.8 | 4 | 70,513 | Grover Cleveland ✗ |
Counties
- Aurora County
- Beadle County
- Bennett County
- Bon Homme County
- Brookings County
- Brown County
- Brule County
- Buffalo County
- Butte County
- Campbell County
- Charles Mix County
- Clark County
- Clay County
- Codington County
- Corson County
- Custer County
- Davison County
- Day County
- Deuel County
- Dewey County
- Douglas County
- Edmunds County
- Fall River County
- Faulk County
- Grant County
- Gregory County
- Haakon County
- Hamlin County
- Hand County
- Hanson County
- Harding County
- Hughes County
- Hutchinson County
- Hyde County
- Jackson County
- Jerauld County
- Jones County
- Kingsbury County
- Lake County
- Lawrence County
- Lincoln County
- Lyman County
- Marshall County
- McCook County
- McPherson County
- Meade County
- Mellette County
- Miner County
- Minnehaha County
- Moody County
- Oglala Lakota County
- Pennington County
- Perkins County
- Potter County
- Roberts County
- Sanborn County
- Spink County
- Stanley County
- Sully County
- Todd County
- Tripp County
- Turner County
- Union County
- Walworth County
- Yankton County
- Ziebach County
Questions and answers
How has South Dakota voted in recent presidential elections?
2024: Donald J. Trump by 29.2 points; 2020: Donald J. Trump by 26.2 points; 2016: Donald J. Trump by 29.8 points; 2012: Mitt Romney by 18.0 points; 2008: John McCain by 8.4 points.
When did South Dakota last vote Democratic for president?
In 1964, for Lyndon B. Johnson.
When did South Dakota last vote Republican for president?
In 2024, for Donald J. Trump.
How often does South Dakota vote for the winning presidential candidate?
South Dakota backed the national winner in 20 of 34 elections in this record (59%).
Is South Dakota a swing state?
No. It has been safely one-sided: in 2012, 2016, 2020 and 2024 its margins were Republican by 18.0 points, Republican by 29.8 points, Republican by 26.2 points and Republican by 29.2 points.
Official results As published by The American Presidency Project (UC Santa Barbara) and the state documents it links. How we use this data