2012Final results
2012 election for President in South Dakota
President · South Dakota
Mitt Romney (R) won with 57.9% of the vote, defeating Barack H. Obama (D) by 18.0 points.
Mitt RomneyRepublican · winner
57.9%210,610
Barack H. ObamaDemocrat
39.9%145,039
Gary JohnsonLibertarian
1.6%5,795
Virgil Hamlin, Goode Jr.Constitution
0.7%2,371
363,815 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 2012
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The candidates
Mitt Romney (R)Barack H. Obama (D)
Also on the ballot: Gary Johnson (Libertarian), 1.6%; Virgil Hamlin, Goode Jr. (Constitution), 0.7%