Presidential elections · 1976–2024
South Dakota Presidential Election Results (1976–2024)
In 2024, South Dakota voted for Donald J. Trump (Republican) by R+29.2 — 146,859 Democratic to 272,081 Republican of 428,922 votes cast.
Data: MIT Election Data & Science Lab, Harvard Dataverse.
Margin by election, 1976–2024
Democratic minus Republican, in points of all votes cast — blue bars Democratic, red Republican.
2024 margin by county
Click a county to see its election results. Hatched areas have no county-level results.
Build your own tables of margins, swings, and vote shares — any mix of states and counties, any election back to 1976.
South Dakota results by county
Sorted by 2024 votes cast; margins are 2024 Democratic minus Republican.
South Dakota presidential elections — FAQ
Who carried South Dakota in the 2024 presidential election?+
Donald J. Trump (Republican) carried South Dakota in 2024 by R+29.2, with 428,922 votes cast statewide. Data: MIT Election Data & Science Lab.
When did South Dakota last vote for a Democratic presidential candidate?+
South Dakota has voted Republican in every presidential election in this series, which begins in 1976.
Which South Dakota county had the biggest 2024 margin?+
Harding County had the widest 2024 presidential margin of any South Dakota county — R+86.1 on 820 votes cast.
What was South Dakota's closest presidential election since 1976?+
1976: the margin was R+1.5 — 4,437 votes out of 300,678 cast.
Analyze South Dakota election results
Chart margins, vote shares, and swings for South Dakotaand its counties — or line states up side by side. Free while we're in beta.