2016Final results
2016 election for President in South Dakota
President · South Dakota
Donald J. Trump (R) won with 61.5% of the vote, defeating Hillary Clinton (D) by 29.8 points.
Donald J. TrumpRepublican · winner
61.5%227,701
Hillary ClintonDemocrat
31.7%117,442
Gary JohnsonLibertarian
5.6%20,845
Darrell CastleConstitution
1.1%4,059
370,047 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The candidates
Donald J. Trump (R)Hillary Clinton (D)Gary Johnson (L)
Also on the ballot: Darrell Castle (Constitution), 1.1%