Vermillion, South Dakota
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | +15.6% |
| 2008 | +30.1% |
| 2012 | +14.9% |
| 2016 | +22.9% |
| 2020 | +25.7% |
| 2024 | +18.2% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| D | 57.9%Harris2,461 | 39.7%Trump1,686 | 2.4% | D+18.2 | R+7.5 | D+19.7 | 4,251 | |
| D | 61.3%Biden2,339 | 35.6%Trump1,358 | 3.1% | D+25.7 | D+2.8 | D+21.3 | 3,815 | |
| D | 57.8%Clinton1,936 | 34.8%Trump1,167 | 7.4% | D+22.9 | D+8.0 | D+20.9 | 3,351 | |
| D | 56.0%Obama2,311 | 41.0%Romney1,694 | 3.0% | D+14.9 | R+15.2 | D+11.1 | 4,128 | |
| D | 63.9%Obama3,062 | 33.7%McCain1,617 | 2.4% | D+30.1 | D+14.5 | D+22.9 | 4,795 | |
| D | 57.1%Kerry2,635 | 41.5%Bush1,916 | 1.3% | D+15.6 | — | D+18.0 | 4,613 |
Home to the University of South Dakota, Vermillion turns out a notably higher share of under-30 voters than most Clay County precincts, giving it an electoral profile that routinely diverges from the rural townships around it.
Across the recorded series it reached a Democratic high of 30.1 points in 2008. Between 2020 and 2024 the city moved 7.5 points toward the Republican candidate; the 2024 margin was 18.2 points.
A population of 11,878, a 85% non-Hispanic-white share, and a median household income of $50,456 describe the city. The city's voting pattern over the last decade is most similar to that of Ames and River Falls.
The cities whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
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Vermillion, South Dakota. Akashic. https://akashic.app/city/4666700/. Accessed May 20, 2026. License: CC BY 4.0.