Partisan Rating
R+28
Cook PVI / Presidential lean
2020 Result
Biden 35% / Trump 62%
Presidential election
Capital
Pierre
3 Electoral Votes
Presidential Election Results 2012–2024
| Year | D % | R % | Winner | Margin | Context |
|---|---|---|---|---|---|
| 2020 | 35% | 62% | Trump | R +27 | Trump +27; Noem gains national profile for keeping state open during COVID, popular locally. |
| 2016 | 32% | 62% | Trump | R +30 | Trump +30; consistent with Great Plains Republican dominance. |
| 2012 | 40% | 57% | Romney | R +17 | Romney +18; relatively closer than Trump era — rural white voters more variable pre-2016. |
State Voting Trend
Small, rural, heavily agricultural Great Plains state. Sioux Falls metro has grown significantly but remains R-leaning. Native American reservations (Pine Ridge, Rosebud) vote Democratic at high rates but represent ~10% of total population. Overall: reliably R+25 to R+30.
Senator: Mike Rounds (R) • Governor: Kristi Noem (R) • Electoral Votes: 3 • Population: 895K