South Dakota presidential election results

13 elections · 19762024 · who South Dakota voted for & who won the state
Recent lean
Republicanin every election since 1976
Bellwether record
7 of 1354% backed the eventual winner
Party flips
0never flipped since 1976
Won by
R 13 · D 0since 1976

In the 13 presidential elections since 1976, South Dakota has gone Republican 13 times and Democratic 0 times. It has voted Republican in every election in this span. South Dakota sided with the candidate who won the White House 7 of 13 times (54%).

South Dakota’s presidential election results by year
YearWon the stateRunner-upMarginPicked the winner
2024Donald Trump R 63.4%Kamala Harris D 34.2%+29.2 pts✓ Yes
2020Donald Trump R 61.8%Joe Biden D 35.6%+26.2 ptsNo
2016Donald Trump R 61.5%Hillary Clinton D 31.7%
also Gary Johnson L 5.6%
+29.8 pts✓ Yes
2012Mitt Romney R 57.9%Barack Obama D 39.9%+18.0 ptsNo
2008John McCain R 53.2%Barack Obama D 44.8%+8.4 ptsNo
2004George W. Bush R 59.9%John Kerry D 38.4%+21.5 pts✓ Yes
2000George W. Bush R 60.3%Al Gore D 37.6%+22.7 pts✓ Yes
1996Bob Dole R 46.5%Bill Clinton D 43.0%+3.5 ptsNo
1992George H. W. Bush R 40.7%Bill Clinton D 37.1%
also Ross Perot I 21.8%
+3.5 ptsNo
1988George H. W. Bush R 52.9%Michael Dukakis D 46.5%+6.3 pts✓ Yes
1984Ronald Reagan R 63.0%Walter Mondale D 36.5%+26.5 pts✓ Yes
1980Ronald Reagan R 60.5%Jimmy Carter D 31.7%
also John B. Anderson I 6.5%
+28.8 pts✓ Yes
1976Gerald Ford R 50.4%Jimmy Carter D 48.9%+1.5 ptsNo

How this page is measured

“Recent lean” is the party South Dakota has carried in every presidential election back to 1976. “Bellwether record” counts how often the state's winner went on to win the presidency. “Party flips” counts how many times the winning party changed from one election to the next, 19762024. State-level popular vote shown; the national popular and electoral totals for each race are on its election page.

Compiled by PolitiFinder · published June 14, 2026 · state returns from the MIT Election Data & Science Lab · see Data & sources.