Spearfish, South Dakota
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | −27.0% |
| 2008 | −10.4% |
| 2012 | −20.9% |
| 2016 | −26.7% |
| 2020 | −22.6% |
| 2024 | −31.3% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| R | 32.9%Harris2,409 | 64.3%Trump4,703 | 2.8% | R+31.3 | R+8.7 | R+29.9 | 7,318 | |
| R | 36.7%Biden2,086 | 59.3%Trump3,374 | 4.0% | R+22.6 | D+4.0 | R+27.1 | 5,688 | |
| R | 31.5%Clinton1,612 | 58.2%Trump2,975 | 10.3% | R+26.7 | R+5.8 | R+28.7 | 5,114 | |
| R | 38.0%Obama1,770 | 58.9%Romney2,744 | 3.1% | R+20.9 | R+10.5 | R+24.8 | 4,660 | |
| R | 43.5%Obama2,102 | 53.9%McCain2,602 | 2.5% | R+10.4 | D+16.6 | R+17.6 | 4,827 | |
| R | 35.4%Kerry1,637 | 62.4%Bush2,883 | 2.2% | R+27.0 | — | R+24.5 | 4,622 |
Home to Black Hills State University, Spearfish skews younger than most of western South Dakota, a factor that tempers the region's otherwise lopsided Republican margins in municipal and legislative races.
Across the recorded series it reached a Republican high of 31.3 points in 2024. Between 2020 and 2024 the city moved 8.7 points toward the Republican candidate; the 2024 margin was 31.3 points.
A population of 12,930, a 87% non-Hispanic-white share, and a median household income of $65,688 describe the city. The city's voting pattern over the last decade is most similar to that of Spencer and Spirit Lake.
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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Spearfish, South Dakota. Akashic. https://akashic.app/city/4660020/. Accessed May 20, 2026. License: CC BY 4.0.