Presidential elections · 2000–2024
Pennington County, SD — Presidential Election Results (2000–2024)
In 2024, Pennington County, South Dakota voted for Donald J. Trump (Republican) by R+26.4 — 20,051 Democratic to 35,009 Republican of 56,580 votes cast. From 2020 to 2024 it shifted 1.3 points toward Republicans. That makes it 2.8 points more Democratic than South Dakota overall (R+29.2).
Data: MIT Election Data & Science Lab, Harvard Dataverse.
Margin by election, 2000–2024
Democratic minus Republican, in points of all votes cast — blue bars Democratic, red Republican.
Every election in Pennington County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 20,051 | 35,009 | 1,520 | 35.4% | 61.9% | R+26.4 |
| 2020 | 20,606 | 35,063 | 1,849 | 35.8% | 61.0% | R+25.1 |
| 2016 | 14,074 | 29,804 | 3,865 | 29.5% | 62.4% | R+32.9 |
| 2012 | 15,125 | 28,232 | 1,107 | 34.0% | 63.5% | R+29.5 |
| 2008 | 17,802 | 27,603 | 382 | 38.9% | 60.3% | R+21.4 |
| 2004 | 14,213 | 29,976 | 779 | 31.6% | 66.7% | R+35.1 |
| 2000 | 11,123 | 24,696 | 738 | 30.4% | 67.6% | R+37.1 |
Pennington County presidential elections — FAQ
Who carried Pennington County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Pennington County, South Dakota in 2024 by R+26.4, with 56,580 votes cast. Data: MIT Election Data & Science Lab.
How did Pennington County shift between 2020 and 2024?+
Pennington County shifted 1.3 points toward Republicans between 2020 (R+25.1) and 2024 (R+26.4).
Is Pennington County more Democratic or Republican than South Dakota overall?+
In 2024, Pennington County went R+26.4 while South Dakota overall went R+29.2 — 2.8 points more Democratic than the state.
Where does this election data come from?+
County-level presidential returns (2000–2024) come from the MIT Election Data and Science Lab (MEDSL), published on the Harvard Dataverse. pumsdata is an independent product that makes the data easy to map and compare, and is not affiliated with MEDSL or Harvard.